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| <li class="navelem"><a class="el" href="dir_8cab8f464681f7cc51cee77e79a434cd.html">3rdparty</a></li><li class="navelem"><a class="el" href="dir_82e31a22178767beedddc7597fd1ecb6.html">dmlc-core</a></li><li class="navelem"><a class="el" href="dir_7dd5b88db83ff474628c03c453739a90.html">include</a></li><li class="navelem"><a class="el" href="dir_e30967e3ab51f65ad4b50dd298ccf4e7.html">dmlc</a></li> </ul> |
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| <a href="strtonum_8h.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> </div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="preprocessor">#ifndef DMLC_STRTONUM_H_</span></div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="preprocessor">#define DMLC_STRTONUM_H_</span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span> </div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="preprocessor">#if DMLC_USE_CXX11</span></div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="preprocessor">#include <type_traits></span></div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span> </div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="preprocessor">#include <string></span></div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="preprocessor">#include <limits></span></div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="preprocessor">#include <cstdint></span></div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="preprocessor">#include "<a class="code" href="3rdparty_2dmlc-core_2include_2dmlc_2base_8h.html">./base.h</a>"</span></div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="preprocessor">#include "./logging.h"</span></div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span> </div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="keyword">namespace </span><a class="code" href="namespacedmlc.html">dmlc</a> {</div><div class="line"><a name="l00026"></a><span class="lineno"><a class="line" href="namespacedmlc.html#a52dcf01c9ba22be9b08e455194fb2ab3"> 26</a></span> <span class="keyword">inline</span> <span class="keywordtype">bool</span> <a class="code" href="namespacedmlc.html#a52dcf01c9ba22be9b08e455194fb2ab3">isspace</a>(<span class="keywordtype">char</span> c) {</div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span>  <span class="keywordflow">return</span> (c == <span class="charliteral">' '</span> || c == <span class="charliteral">'\t'</span> || c == <span class="charliteral">'\r'</span> || c == <span class="charliteral">'\n'</span> || c == <span class="charliteral">'\f'</span>);</div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span> }</div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span> </div><div class="line"><a name="l00036"></a><span class="lineno"><a class="line" href="namespacedmlc.html#a382379acc79620379a9f7ee29ad5caaf"> 36</a></span> <span class="keyword">inline</span> <span class="keywordtype">bool</span> <a class="code" href="namespacedmlc.html#a382379acc79620379a9f7ee29ad5caaf">isblank</a>(<span class="keywordtype">char</span> c) {</div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  <span class="keywordflow">return</span> (c == <span class="charliteral">' '</span> || c == <span class="charliteral">'\t'</span>);</div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span> }</div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span> </div><div class="line"><a name="l00046"></a><span class="lineno"><a class="line" href="namespacedmlc.html#a5dab1c816301d0261e96d002ab157d3a"> 46</a></span> <span class="keyword">inline</span> <span class="keywordtype">bool</span> <a class="code" href="namespacedmlc.html#a5dab1c816301d0261e96d002ab157d3a">isdigit</a>(<span class="keywordtype">char</span> c) {</div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  <span class="keywordflow">return</span> (c >= <span class="charliteral">'0'</span> && c <= <span class="charliteral">'9'</span>);</div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span> }</div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span> </div><div class="line"><a name="l00056"></a><span class="lineno"><a class="line" href="namespacedmlc.html#a8234006cb1d67dcba5f9f856fe805c19"> 56</a></span> <span class="keyword">inline</span> <span class="keywordtype">bool</span> <a class="code" href="namespacedmlc.html#a8234006cb1d67dcba5f9f856fe805c19">isalpha</a>(<span class="keywordtype">char</span> c) {</div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  static_assert(</div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  static_cast<int>(<span class="charliteral">'A'</span>) == 65 && static_cast<int>(<span class="charliteral">'Z'</span> - <span class="charliteral">'A'</span>) == 25,</div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  <span class="stringliteral">"Only system with ASCII character set is supported"</span>);</div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  <span class="keywordflow">return</span> (c >= <span class="charliteral">'a'</span> && c <= <span class="charliteral">'z'</span>) || (c >= <span class="charliteral">'A'</span> && c <= <span class="charliteral">'Z'</span>);</div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span> }</div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span> </div><div class="line"><a name="l00070"></a><span class="lineno"><a class="line" href="namespacedmlc.html#aadc240ae898cb7f29bd88c5bd96bd3cb"> 70</a></span> <span class="keyword">inline</span> <span class="keywordtype">bool</span> <a class="code" href="namespacedmlc.html#aadc240ae898cb7f29bd88c5bd96bd3cb">isdigitchars</a>(<span class="keywordtype">char</span> c) {</div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  <span class="keywordflow">return</span> (c >= <span class="charliteral">'0'</span> && c <= <span class="charliteral">'9'</span>)</div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  || c == <span class="charliteral">'+'</span> || c == <span class="charliteral">'-'</span></div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  || c == <span class="charliteral">'.'</span></div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  || c == <span class="charliteral">'e'</span> || c == <span class="charliteral">'E'</span>;</div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span> }</div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span> </div><div class="line"><a name="l00081"></a><span class="lineno"><a class="line" href="namespacedmlc.html#a7e6f99de792eaca82bdf6189ba6e0d77"> 81</a></span> <span class="keyword">const</span> <span class="keywordtype">int</span> <a class="code" href="namespacedmlc.html#a7e6f99de792eaca82bdf6189ba6e0d77">kStrtofMaxDigits</a> = 19;</div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span> </div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span> <span class="keyword">template</span> <<span class="keyword">typename</span> FloatType, <span class="keywordtype">bool</span> CheckRange = false></div><div class="line"><a name="l00099"></a><span class="lineno"><a class="line" href="namespacedmlc.html#ade80237502ab5ae86b9c1454a09c66ee"> 99</a></span> <span class="keyword">inline</span> FloatType <a class="code" href="namespacedmlc.html#ade80237502ab5ae86b9c1454a09c66ee">ParseFloat</a>(<span class="keyword">const</span> <span class="keywordtype">char</span>* nptr, <span class="keywordtype">char</span>** endptr) {</div><div class="line"><a name="l00100"></a><span class="lineno"> 100</span> <span class="preprocessor">#if DMLC_USE_CXX11</span></div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  static_assert(std::is_same<FloatType, double>::value</div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  || std::is_same<FloatType, float>::value,</div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  <span class="stringliteral">"ParseFloat is defined only for 'float' and 'double' types"</span>);</div><div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  constexpr <span class="keywordtype">unsigned</span> kMaxExponent</div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  = (std::is_same<FloatType, double>::value ? 308U : 38U);</div><div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  constexpr FloatType kMaxSignificandForMaxExponent</div><div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  = <span class="keyword">static_cast<</span>FloatType<span class="keyword">></span>(std::is_same<FloatType, double>::value</div><div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  ? 1.79769313486231570 : 3.402823466);</div><div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  <span class="comment">// If a floating-point value has kMaxExponent, what is</span></div><div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  <span class="comment">// the largest possible significand value?</span></div><div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  constexpr FloatType kMaxSignificandForNegMaxExponent</div><div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  = <span class="keyword">static_cast<</span>FloatType<span class="keyword">></span>(std::is_same<FloatType, double>::value</div><div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  ? 2.22507385850720139 : 1.175494351);</div><div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  <span class="comment">// If a floating-point value has -kMaxExponent, what is</span></div><div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  <span class="comment">// the largest possible significand value?</span></div><div class="line"><a name="l00116"></a><span class="lineno"> 116</span> <span class="preprocessor">#else</span></div><div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  <span class="keyword">const</span> <span class="keywordtype">unsigned</span> kMaxExponent</div><div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  = (<span class="keyword">sizeof</span>(FloatType) == <span class="keyword">sizeof</span>(<span class="keywordtype">double</span>) ? 308U : 38U);</div><div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  <span class="keyword">const</span> FloatType kMaxSignificandForMaxExponent</div><div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  = <span class="keyword">static_cast<</span>FloatType<span class="keyword">></span>(<span class="keyword">sizeof</span>(FloatType) == <span class="keyword">sizeof</span>(<span class="keywordtype">double</span>)</div><div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  ? 1.79769313486231570 : 3.402823466);</div><div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  <span class="keyword">const</span> FloatType kMaxSignificandForNegMaxExponent</div><div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  = <span class="keyword">static_cast<</span>FloatType<span class="keyword">></span>(<span class="keyword">sizeof</span>(FloatType) == <span class="keyword">sizeof</span>(<span class="keywordtype">double</span>)</div><div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  ? 2.22507385850720139 : 1.175494351);</div><div class="line"><a name="l00125"></a><span class="lineno"> 125</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00126"></a><span class="lineno"> 126</span> </div><div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  <span class="keyword">const</span> <span class="keywordtype">char</span> *p = nptr;</div><div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  <span class="comment">// Skip leading white space, if any. Not necessary</span></div><div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  <span class="keywordflow">while</span> (<a class="code" href="namespacedmlc.html#a52dcf01c9ba22be9b08e455194fb2ab3">isspace</a>(*p) ) ++p;</div><div class="line"><a name="l00130"></a><span class="lineno"> 130</span> </div><div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  <span class="comment">// Get sign, if any.</span></div><div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  <span class="keywordtype">bool</span> sign = <span class="keyword">true</span>;</div><div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  <span class="keywordflow">if</span> (*p == <span class="charliteral">'-'</span>) {</div><div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  sign = <span class="keyword">false</span>; ++p;</div><div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (*p == <span class="charliteral">'+'</span>) {</div><div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  ++p;</div><div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  }</div><div class="line"><a name="l00138"></a><span class="lineno"> 138</span> </div><div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  <span class="comment">// Handle INF and NAN</span></div><div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  {</div><div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  <span class="keywordtype">int</span> i = 0;</div><div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  <span class="comment">// case-insensitive match for INF and INFINITY</span></div><div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  <span class="keywordflow">while</span> (i < 8 && static_cast<char>((*p) | 32) == <span class="stringliteral">"infinity"</span>[i]) {</div><div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  ++i; ++p;</div><div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  }</div><div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  <span class="keywordflow">if</span> (i == 3 || i == 8) {</div><div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  <span class="keywordflow">if</span> (endptr) *endptr = (<span class="keywordtype">char</span>*)p; <span class="comment">// NOLINT(*)</span></div><div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  <span class="keywordflow">return</span> sign ? std::numeric_limits<FloatType>::infinity()</div><div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  : -std::numeric_limits<FloatType>::infinity();</div><div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  } <span class="keywordflow">else</span> {</div><div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  p -= i;</div><div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  }</div><div class="line"><a name="l00153"></a><span class="lineno"> 153</span> </div><div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  <span class="comment">// case-insensitive match for NAN</span></div><div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  i = 0;</div><div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  <span class="keywordflow">while</span> (i < 3 && static_cast<char>((*p) | 32) == <span class="stringliteral">"nan"</span>[i]) {</div><div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  ++i; ++p;</div><div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  }</div><div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  <span class="keywordflow">if</span> (i == 3) {</div><div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  <span class="comment">// Got NAN; check if the value is of form NAN(char_sequence)</span></div><div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  <span class="keywordflow">if</span> (*p == <span class="charliteral">'('</span>) {</div><div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  ++p;</div><div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  <span class="keywordflow">while</span> (<a class="code" href="namespacedmlc.html#a5dab1c816301d0261e96d002ab157d3a">isdigit</a>(*p) || <a class="code" href="namespacedmlc.html#a8234006cb1d67dcba5f9f856fe805c19">isalpha</a>(*p) || *p == <span class="charliteral">'_'</span>) ++p;</div><div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  CHECK_EQ(*p, <span class="charliteral">')'</span>) << <span class="stringliteral">"Invalid NAN literal"</span>;</div><div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  ++p;</div><div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  }</div><div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  static_assert(std::numeric_limits<FloatType>::has_quiet_NaN,</div><div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  <span class="stringliteral">"Only system with quiet NaN is supported"</span>);</div><div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  <span class="keywordflow">if</span> (endptr) *endptr = (<span class="keywordtype">char</span>*)p; <span class="comment">// NOLINT(*)</span></div><div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  <span class="keywordflow">return</span> std::numeric_limits<FloatType>::quiet_NaN();</div><div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  } <span class="keywordflow">else</span> {</div><div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  p -= i;</div><div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  }</div><div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  }</div><div class="line"><a name="l00175"></a><span class="lineno"> 175</span> </div><div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  <span class="comment">// Get digits before decimal point or exponent, if any.</span></div><div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  uint64_t predec; <span class="comment">// to store digits before decimal point</span></div><div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  <span class="keywordflow">for</span> (predec = 0; <a class="code" href="namespacedmlc.html#a5dab1c816301d0261e96d002ab157d3a">isdigit</a>(*p); ++p) {</div><div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  predec = predec * 10ULL + <span class="keyword">static_cast<</span>uint64_t<span class="keyword">></span>(*p - <span class="charliteral">'0'</span>);</div><div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  }</div><div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  FloatType value = <span class="keyword">static_cast<</span>FloatType<span class="keyword">></span>(predec);</div><div class="line"><a name="l00182"></a><span class="lineno"> 182</span> </div><div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  <span class="comment">// Get digits after decimal point, if any.</span></div><div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  <span class="keywordflow">if</span> (*p == <span class="charliteral">'.'</span>) {</div><div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  uint64_t pow10 = 1;</div><div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  uint64_t val2 = 0;</div><div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  <span class="keywordtype">int</span> digit_cnt = 0;</div><div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  ++p;</div><div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  <span class="keywordflow">while</span> (<a class="code" href="namespacedmlc.html#a5dab1c816301d0261e96d002ab157d3a">isdigit</a>(*p)) {</div><div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  <span class="keywordflow">if</span> (digit_cnt < kStrtofMaxDigits) {</div><div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  val2 = val2 * 10ULL + <span class="keyword">static_cast<</span>uint64_t<span class="keyword">></span>(*p - <span class="charliteral">'0'</span>);</div><div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  pow10 *= 10ULL;</div><div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  } <span class="comment">// when kStrtofMaxDigits is read, ignored following digits</span></div><div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  ++p;</div><div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  ++digit_cnt;</div><div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  }</div><div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  value += <span class="keyword">static_cast<</span>FloatType<span class="keyword">></span>(</div><div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  <span class="keyword">static_cast<</span><span class="keywordtype">double</span><span class="keyword">></span>(val2) / static_cast<double>(pow10));</div><div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  }</div><div class="line"><a name="l00200"></a><span class="lineno"> 200</span> </div><div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  <span class="comment">// Handle exponent, if any.</span></div><div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  <span class="keywordflow">if</span> ((*p == <span class="charliteral">'e'</span>) || (*p == <span class="charliteral">'E'</span>)) {</div><div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  ++p;</div><div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  <span class="keywordtype">bool</span> frac = <span class="keyword">false</span>;</div><div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  FloatType scale = <span class="keyword">static_cast<</span>FloatType<span class="keyword">></span>(1.0f);</div><div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  <span class="keywordtype">unsigned</span> expon;</div><div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  <span class="comment">// Get sign of exponent, if any.</span></div><div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  <span class="keywordflow">if</span> (*p == <span class="charliteral">'-'</span>) {</div><div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  frac = <span class="keyword">true</span>;</div><div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  ++p;</div><div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (*p == <span class="charliteral">'+'</span>) {</div><div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  ++p;</div><div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  }</div><div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  <span class="comment">// Get digits of exponent, if any.</span></div><div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  <span class="keywordflow">for</span> (expon = 0; <a class="code" href="namespacedmlc.html#a5dab1c816301d0261e96d002ab157d3a">isdigit</a>(*p); ++p) {</div><div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  expon = expon * 10U + <span class="keyword">static_cast<</span><span class="keywordtype">unsigned</span><span class="keyword">></span>(*p - <span class="charliteral">'0'</span>);</div><div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  }</div><div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  <span class="keywordflow">if</span> (expon > kMaxExponent) { <span class="comment">// out of range, clip or raise error</span></div><div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  <span class="keywordflow">if</span> (CheckRange) {</div><div class="line"><a name="l00220"></a><span class="lineno"> 220</span>  errno = ERANGE;</div><div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  <span class="keywordflow">if</span> (endptr) *endptr = (<span class="keywordtype">char</span>*)p; <span class="comment">// NOLINT(*)</span></div><div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  <span class="keywordflow">return</span> std::numeric_limits<FloatType>::infinity();</div><div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  } <span class="keywordflow">else</span> {</div><div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  expon = kMaxExponent;</div><div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  }</div><div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  }</div><div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  <span class="comment">// handle edge case where exponent is exactly kMaxExponent</span></div><div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  <span class="keywordflow">if</span> (expon == kMaxExponent</div><div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  && ((!frac && value > kMaxSignificandForMaxExponent)</div><div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  || (frac && value < kMaxSignificandForNegMaxExponent))) {</div><div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  <span class="keywordflow">if</span> (CheckRange) {</div><div class="line"><a name="l00232"></a><span class="lineno"> 232</span>  errno = ERANGE;</div><div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  <span class="keywordflow">if</span> (endptr) *endptr = (<span class="keywordtype">char</span>*)p; <span class="comment">// NOLINT(*)</span></div><div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  <span class="keywordflow">return</span> std::numeric_limits<FloatType>::infinity();</div><div class="line"><a name="l00235"></a><span class="lineno"> 235</span>  } <span class="keywordflow">else</span> {</div><div class="line"><a name="l00236"></a><span class="lineno"> 236</span>  value = (frac ? kMaxSignificandForNegMaxExponent</div><div class="line"><a name="l00237"></a><span class="lineno"> 237</span>  : kMaxSignificandForMaxExponent);</div><div class="line"><a name="l00238"></a><span class="lineno"> 238</span>  }</div><div class="line"><a name="l00239"></a><span class="lineno"> 239</span>  }</div><div class="line"><a name="l00240"></a><span class="lineno"> 240</span>  <span class="comment">// Calculate scaling factor.</span></div><div class="line"><a name="l00241"></a><span class="lineno"> 241</span>  <span class="keywordflow">while</span> (expon >= 8U) { scale *= <span class="keyword">static_cast<</span>FloatType<span class="keyword">></span>(1E8f); expon -= 8U; }</div><div class="line"><a name="l00242"></a><span class="lineno"> 242</span>  <span class="keywordflow">while</span> (expon > 0U) { scale *= <span class="keyword">static_cast<</span>FloatType<span class="keyword">></span>(10.0f); expon -= 1U; }</div><div class="line"><a name="l00243"></a><span class="lineno"> 243</span>  <span class="comment">// Return signed and scaled floating point result.</span></div><div class="line"><a name="l00244"></a><span class="lineno"> 244</span>  value = frac ? (value / scale) : (value * scale);</div><div class="line"><a name="l00245"></a><span class="lineno"> 245</span>  }</div><div class="line"><a name="l00246"></a><span class="lineno"> 246</span>  <span class="comment">// Consume 'f' suffix, if any</span></div><div class="line"><a name="l00247"></a><span class="lineno"> 247</span>  <span class="keywordflow">if</span> (*p == <span class="charliteral">'f'</span> || *p == <span class="charliteral">'F'</span>) {</div><div class="line"><a name="l00248"></a><span class="lineno"> 248</span>  ++p;</div><div class="line"><a name="l00249"></a><span class="lineno"> 249</span>  }</div><div class="line"><a name="l00250"></a><span class="lineno"> 250</span> </div><div class="line"><a name="l00251"></a><span class="lineno"> 251</span>  <span class="keywordflow">if</span> (endptr) *endptr = (<span class="keywordtype">char</span>*)p; <span class="comment">// NOLINT(*)</span></div><div class="line"><a name="l00252"></a><span class="lineno"> 252</span>  <span class="keywordflow">return</span> sign ? value : - value;</div><div class="line"><a name="l00253"></a><span class="lineno"> 253</span> }</div><div class="line"><a name="l00254"></a><span class="lineno"> 254</span> </div><div class="line"><a name="l00268"></a><span class="lineno"><a class="line" href="namespacedmlc.html#a93c2c8f7859b02cecb9c094cddd91af9"> 268</a></span> <span class="keyword">inline</span> <span class="keywordtype">float</span> <a class="code" href="namespacedmlc.html#a93c2c8f7859b02cecb9c094cddd91af9">strtof</a>(<span class="keyword">const</span> <span class="keywordtype">char</span>* nptr, <span class="keywordtype">char</span>** endptr) {</div><div class="line"><a name="l00269"></a><span class="lineno"> 269</span>  <span class="keywordflow">return</span> ParseFloat<float>(nptr, endptr);</div><div class="line"><a name="l00270"></a><span class="lineno"> 270</span> }</div><div class="line"><a name="l00271"></a><span class="lineno"> 271</span> </div><div class="line"><a name="l00286"></a><span class="lineno"><a class="line" href="namespacedmlc.html#a3717fca311a75301eedca7e77e744459"> 286</a></span> <span class="keyword">inline</span> <span class="keywordtype">float</span> <a class="code" href="namespacedmlc.html#a3717fca311a75301eedca7e77e744459">strtof_check_range</a>(<span class="keyword">const</span> <span class="keywordtype">char</span>* nptr, <span class="keywordtype">char</span>** endptr) {</div><div class="line"><a name="l00287"></a><span class="lineno"> 287</span>  <span class="keywordflow">return</span> ParseFloat<float, true>(nptr, endptr);</div><div class="line"><a name="l00288"></a><span class="lineno"> 288</span> }</div><div class="line"><a name="l00289"></a><span class="lineno"> 289</span> </div><div class="line"><a name="l00303"></a><span class="lineno"><a class="line" href="namespacedmlc.html#a345b262c3cbb6d700c22c4d69d46db6e"> 303</a></span> <span class="keyword">inline</span> <span class="keywordtype">double</span> <a class="code" href="namespacedmlc.html#a345b262c3cbb6d700c22c4d69d46db6e">strtod</a>(<span class="keyword">const</span> <span class="keywordtype">char</span>* nptr, <span class="keywordtype">char</span>** endptr) {</div><div class="line"><a name="l00304"></a><span class="lineno"> 304</span>  <span class="keywordflow">return</span> ParseFloat<double>(nptr, endptr);</div><div class="line"><a name="l00305"></a><span class="lineno"> 305</span> }</div><div class="line"><a name="l00306"></a><span class="lineno"> 306</span> </div><div class="line"><a name="l00321"></a><span class="lineno"><a class="line" href="namespacedmlc.html#abd212a404ead6ae94faa2b65b4af796d"> 321</a></span> <span class="keyword">inline</span> <span class="keywordtype">double</span> <a class="code" href="namespacedmlc.html#abd212a404ead6ae94faa2b65b4af796d">strtod_check_range</a>(<span class="keyword">const</span> <span class="keywordtype">char</span>* nptr, <span class="keywordtype">char</span>** endptr) {</div><div class="line"><a name="l00322"></a><span class="lineno"> 322</span>  <span class="keywordflow">return</span> ParseFloat<double, true>(nptr, endptr);</div><div class="line"><a name="l00323"></a><span class="lineno"> 323</span> }</div><div class="line"><a name="l00324"></a><span class="lineno"> 324</span> </div><div class="line"><a name="l00336"></a><span class="lineno"> 336</span> <span class="keyword">template</span> <<span class="keyword">typename</span> SignedIntType></div><div class="line"><a name="l00337"></a><span class="lineno"><a class="line" href="namespacedmlc.html#abe766bbcae14a7ff2720bb248cca0db9"> 337</a></span> <span class="keyword">inline</span> SignedIntType <a class="code" href="namespacedmlc.html#abe766bbcae14a7ff2720bb248cca0db9">ParseSignedInt</a>(<span class="keyword">const</span> <span class="keywordtype">char</span>* nptr, <span class="keywordtype">char</span>** endptr, <span class="keywordtype">int</span> base) {</div><div class="line"><a name="l00338"></a><span class="lineno"> 338</span> <span class="preprocessor">#ifdef DMLC_USE_CXX11</span></div><div class="line"><a name="l00339"></a><span class="lineno"> 339</span>  static_assert(std::is_signed<SignedIntType>::value</div><div class="line"><a name="l00340"></a><span class="lineno"> 340</span>  && std::is_integral<SignedIntType>::value,</div><div class="line"><a name="l00341"></a><span class="lineno"> 341</span>  <span class="stringliteral">"ParseSignedInt is defined for signed integers only"</span>);</div><div class="line"><a name="l00342"></a><span class="lineno"> 342</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00343"></a><span class="lineno"> 343</span>  CHECK(base <= 10 && base >= 2);</div><div class="line"><a name="l00344"></a><span class="lineno"> 344</span>  <span class="keyword">const</span> <span class="keywordtype">char</span>* p = nptr;</div><div class="line"><a name="l00345"></a><span class="lineno"> 345</span>  <span class="comment">// Skip leading white space, if any. Not necessary</span></div><div class="line"><a name="l00346"></a><span class="lineno"> 346</span>  <span class="keywordflow">while</span> (<a class="code" href="namespacedmlc.html#a52dcf01c9ba22be9b08e455194fb2ab3">isspace</a>(*p) ) ++p;</div><div class="line"><a name="l00347"></a><span class="lineno"> 347</span> </div><div class="line"><a name="l00348"></a><span class="lineno"> 348</span>  <span class="comment">// Get sign if any</span></div><div class="line"><a name="l00349"></a><span class="lineno"> 349</span>  <span class="keywordtype">bool</span> sign = <span class="keyword">true</span>;</div><div class="line"><a name="l00350"></a><span class="lineno"> 350</span>  <span class="keywordflow">if</span> (*p == <span class="charliteral">'-'</span>) {</div><div class="line"><a name="l00351"></a><span class="lineno"> 351</span>  sign = <span class="keyword">false</span>; ++p;</div><div class="line"><a name="l00352"></a><span class="lineno"> 352</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (*p == <span class="charliteral">'+'</span>) {</div><div class="line"><a name="l00353"></a><span class="lineno"> 353</span>  ++p;</div><div class="line"><a name="l00354"></a><span class="lineno"> 354</span>  }</div><div class="line"><a name="l00355"></a><span class="lineno"> 355</span> </div><div class="line"><a name="l00356"></a><span class="lineno"> 356</span>  SignedIntType value;</div><div class="line"><a name="l00357"></a><span class="lineno"> 357</span>  <span class="keyword">const</span> SignedIntType base_val = <span class="keyword">static_cast<</span>SignedIntType<span class="keyword">></span>(base);</div><div class="line"><a name="l00358"></a><span class="lineno"> 358</span>  <span class="keywordflow">for</span> (value = 0; <a class="code" href="namespacedmlc.html#a5dab1c816301d0261e96d002ab157d3a">isdigit</a>(*p); ++p) {</div><div class="line"><a name="l00359"></a><span class="lineno"> 359</span>  value = value * base_val + <span class="keyword">static_cast<</span>SignedIntType<span class="keyword">></span>(*p - <span class="charliteral">'0'</span>);</div><div class="line"><a name="l00360"></a><span class="lineno"> 360</span>  }</div><div class="line"><a name="l00361"></a><span class="lineno"> 361</span> </div><div class="line"><a name="l00362"></a><span class="lineno"> 362</span>  <span class="keywordflow">if</span> (endptr) *endptr = (<span class="keywordtype">char</span>*)p; <span class="comment">// NOLINT(*)</span></div><div class="line"><a name="l00363"></a><span class="lineno"> 363</span>  <span class="keywordflow">return</span> sign ? value : - value;</div><div class="line"><a name="l00364"></a><span class="lineno"> 364</span> }</div><div class="line"><a name="l00365"></a><span class="lineno"> 365</span> </div><div class="line"><a name="l00377"></a><span class="lineno"> 377</span> <span class="keyword">template</span> <<span class="keyword">typename</span> Un<span class="keywordtype">signed</span>IntType></div><div class="line"><a name="l00378"></a><span class="lineno"><a class="line" href="namespacedmlc.html#ae5d2f93a1b7b7683df3c674e0c3d1863"> 378</a></span> <span class="keyword">inline</span> UnsignedIntType <a class="code" href="namespacedmlc.html#ae5d2f93a1b7b7683df3c674e0c3d1863">ParseUnsignedInt</a>(<span class="keyword">const</span> <span class="keywordtype">char</span>* nptr, <span class="keywordtype">char</span>** endptr, <span class="keywordtype">int</span> base) {</div><div class="line"><a name="l00379"></a><span class="lineno"> 379</span> <span class="preprocessor">#ifdef DMLC_USE_CXX11</span></div><div class="line"><a name="l00380"></a><span class="lineno"> 380</span>  static_assert(std::is_unsigned<UnsignedIntType>::value</div><div class="line"><a name="l00381"></a><span class="lineno"> 381</span>  && std::is_integral<UnsignedIntType>::value,</div><div class="line"><a name="l00382"></a><span class="lineno"> 382</span>  <span class="stringliteral">"ParseUnsignedInt is defined for unsigned integers only"</span>);</div><div class="line"><a name="l00383"></a><span class="lineno"> 383</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00384"></a><span class="lineno"> 384</span>  CHECK(base <= 10 && base >= 2);</div><div class="line"><a name="l00385"></a><span class="lineno"> 385</span>  <span class="keyword">const</span> <span class="keywordtype">char</span> *p = nptr;</div><div class="line"><a name="l00386"></a><span class="lineno"> 386</span>  <span class="comment">// Skip leading white space, if any. Not necessary</span></div><div class="line"><a name="l00387"></a><span class="lineno"> 387</span>  <span class="keywordflow">while</span> (<a class="code" href="namespacedmlc.html#a52dcf01c9ba22be9b08e455194fb2ab3">isspace</a>(*p)) ++p;</div><div class="line"><a name="l00388"></a><span class="lineno"> 388</span> </div><div class="line"><a name="l00389"></a><span class="lineno"> 389</span>  <span class="comment">// Get sign if any</span></div><div class="line"><a name="l00390"></a><span class="lineno"> 390</span>  <span class="keywordtype">bool</span> sign = <span class="keyword">true</span>;</div><div class="line"><a name="l00391"></a><span class="lineno"> 391</span>  <span class="keywordflow">if</span> (*p == <span class="charliteral">'-'</span>) {</div><div class="line"><a name="l00392"></a><span class="lineno"> 392</span>  sign = <span class="keyword">false</span>; ++p;</div><div class="line"><a name="l00393"></a><span class="lineno"> 393</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (*p == <span class="charliteral">'+'</span>) {</div><div class="line"><a name="l00394"></a><span class="lineno"> 394</span>  ++p;</div><div class="line"><a name="l00395"></a><span class="lineno"> 395</span>  }</div><div class="line"><a name="l00396"></a><span class="lineno"> 396</span> </div><div class="line"><a name="l00397"></a><span class="lineno"> 397</span>  <span class="comment">// we are parsing unsigned, so no minus sign should be found</span></div><div class="line"><a name="l00398"></a><span class="lineno"> 398</span>  CHECK_EQ(sign, <span class="keyword">true</span>);</div><div class="line"><a name="l00399"></a><span class="lineno"> 399</span> </div><div class="line"><a name="l00400"></a><span class="lineno"> 400</span>  UnsignedIntType value;</div><div class="line"><a name="l00401"></a><span class="lineno"> 401</span>  <span class="keyword">const</span> UnsignedIntType base_val = <span class="keyword">static_cast<</span>UnsignedIntType<span class="keyword">></span>(base);</div><div class="line"><a name="l00402"></a><span class="lineno"> 402</span>  <span class="keywordflow">for</span> (value = 0; <a class="code" href="namespacedmlc.html#a5dab1c816301d0261e96d002ab157d3a">isdigit</a>(*p); ++p) {</div><div class="line"><a name="l00403"></a><span class="lineno"> 403</span>  value = value * base_val + <span class="keyword">static_cast<</span>UnsignedIntType<span class="keyword">></span>(*p - <span class="charliteral">'0'</span>);</div><div class="line"><a name="l00404"></a><span class="lineno"> 404</span>  }</div><div class="line"><a name="l00405"></a><span class="lineno"> 405</span> </div><div class="line"><a name="l00406"></a><span class="lineno"> 406</span>  <span class="keywordflow">if</span> (endptr) *endptr = (<span class="keywordtype">char</span>*)p; <span class="comment">// NOLINT(*)</span></div><div class="line"><a name="l00407"></a><span class="lineno"> 407</span>  <span class="keywordflow">return</span> value;</div><div class="line"><a name="l00408"></a><span class="lineno"> 408</span> }</div><div class="line"><a name="l00409"></a><span class="lineno"> 409</span> </div><div class="line"><a name="l00422"></a><span class="lineno"><a class="line" href="namespacedmlc.html#ac63dcf48b6a8ec204720a121f01477e9"> 422</a></span> <span class="keyword">inline</span> uint64_t <a class="code" href="namespacedmlc.html#ac63dcf48b6a8ec204720a121f01477e9">strtoull</a>(<span class="keyword">const</span> <span class="keywordtype">char</span>* nptr, <span class="keywordtype">char</span> **endptr, <span class="keywordtype">int</span> base) {</div><div class="line"><a name="l00423"></a><span class="lineno"> 423</span>  <span class="keywordflow">return</span> ParseUnsignedInt<uint64_t>(nptr, endptr, base);</div><div class="line"><a name="l00424"></a><span class="lineno"> 424</span> }</div><div class="line"><a name="l00425"></a><span class="lineno"> 425</span> </div><div class="line"><a name="l00434"></a><span class="lineno"><a class="line" href="namespacedmlc.html#a46a57f902842152f71261ab44e887017"> 434</a></span> <span class="keyword">inline</span> <span class="keywordtype">long</span> <a class="code" href="namespacedmlc.html#a46a57f902842152f71261ab44e887017">atol</a>(<span class="keyword">const</span> <span class="keywordtype">char</span>* p) { <span class="comment">// NOLINT(*)</span></div><div class="line"><a name="l00435"></a><span class="lineno"> 435</span>  <span class="keywordflow">return</span> ParseSignedInt<long>(p, 0, 10); <span class="comment">// NOLINT(*)</span></div><div class="line"><a name="l00436"></a><span class="lineno"> 436</span> }</div><div class="line"><a name="l00437"></a><span class="lineno"> 437</span> </div><div class="line"><a name="l00448"></a><span class="lineno"><a class="line" href="namespacedmlc.html#a4c6820d1e6705361c263364b709d15a8"> 448</a></span> <span class="keyword">inline</span> <span class="keywordtype">float</span> <a class="code" href="namespacedmlc.html#a4c6820d1e6705361c263364b709d15a8">atof</a>(<span class="keyword">const</span> <span class="keywordtype">char</span>* nptr) {</div><div class="line"><a name="l00449"></a><span class="lineno"> 449</span>  <span class="keywordflow">return</span> <a class="code" href="namespacedmlc.html#a93c2c8f7859b02cecb9c094cddd91af9">strtof</a>(nptr, 0);</div><div class="line"><a name="l00450"></a><span class="lineno"> 450</span> }</div><div class="line"><a name="l00451"></a><span class="lineno"> 451</span> </div><div class="line"><a name="l00467"></a><span class="lineno"><a class="line" href="namespacedmlc.html#a43a149fb880b527d393975a884255341"> 467</a></span> <span class="keyword">inline</span> <span class="keywordtype">float</span> <a class="code" href="namespacedmlc.html#a43a149fb880b527d393975a884255341">stof</a>(<span class="keyword">const</span> std::string& value, <span class="keywordtype">size_t</span>* pos = <span class="keyword">nullptr</span>) {</div><div class="line"><a name="l00468"></a><span class="lineno"> 468</span>  <span class="keyword">const</span> <span class="keywordtype">char</span>* str_source = value.c_str();</div><div class="line"><a name="l00469"></a><span class="lineno"> 469</span>  <span class="keywordtype">char</span>* endptr;</div><div class="line"><a name="l00470"></a><span class="lineno"> 470</span>  <span class="keyword">const</span> <span class="keywordtype">float</span> parsed_value = <a class="code" href="namespacedmlc.html#a3717fca311a75301eedca7e77e744459">dmlc::strtof_check_range</a>(str_source, &endptr);</div><div class="line"><a name="l00471"></a><span class="lineno"> 471</span>  <span class="keywordflow">if</span> (errno == ERANGE && parsed_value == std::numeric_limits<float>::infinity()) {</div><div class="line"><a name="l00472"></a><span class="lineno"> 472</span>  <span class="keywordflow">throw</span> std::out_of_range(<span class="stringliteral">"Out of range value"</span>);</div><div class="line"><a name="l00473"></a><span class="lineno"> 473</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (const_cast<const char*>(endptr) == str_source) {</div><div class="line"><a name="l00474"></a><span class="lineno"> 474</span>  <span class="keywordflow">throw</span> std::invalid_argument(<span class="stringliteral">"No conversion could be performed"</span>);</div><div class="line"><a name="l00475"></a><span class="lineno"> 475</span>  }</div><div class="line"><a name="l00476"></a><span class="lineno"> 476</span>  <span class="keywordflow">if</span> (pos) {</div><div class="line"><a name="l00477"></a><span class="lineno"> 477</span>  *pos = <span class="keyword">static_cast<</span><span class="keywordtype">size_t</span><span class="keyword">></span>(<span class="keyword">const_cast<</span><span class="keyword">const </span><span class="keywordtype">char</span>*<span class="keyword">></span>(endptr) - str_source);</div><div class="line"><a name="l00478"></a><span class="lineno"> 478</span>  }</div><div class="line"><a name="l00479"></a><span class="lineno"> 479</span>  <span class="keywordflow">return</span> parsed_value;</div><div class="line"><a name="l00480"></a><span class="lineno"> 480</span> }</div><div class="line"><a name="l00481"></a><span class="lineno"> 481</span> </div><div class="line"><a name="l00497"></a><span class="lineno"><a class="line" href="namespacedmlc.html#a5f49479b0736b8709986ead800e1bfdc"> 497</a></span> <span class="keyword">inline</span> <span class="keywordtype">double</span> <a class="code" href="namespacedmlc.html#a5f49479b0736b8709986ead800e1bfdc">stod</a>(<span class="keyword">const</span> std::string& value, <span class="keywordtype">size_t</span>* pos = <span class="keyword">nullptr</span>) {</div><div class="line"><a name="l00498"></a><span class="lineno"> 498</span>  <span class="keyword">const</span> <span class="keywordtype">char</span>* str_source = value.c_str();</div><div class="line"><a name="l00499"></a><span class="lineno"> 499</span>  <span class="keywordtype">char</span>* endptr;</div><div class="line"><a name="l00500"></a><span class="lineno"> 500</span>  <span class="keyword">const</span> <span class="keywordtype">double</span> parsed_value = <a class="code" href="namespacedmlc.html#abd212a404ead6ae94faa2b65b4af796d">dmlc::strtod_check_range</a>(str_source, &endptr);</div><div class="line"><a name="l00501"></a><span class="lineno"> 501</span>  <span class="keywordflow">if</span> (errno == ERANGE && parsed_value == std::numeric_limits<double>::infinity()) {</div><div class="line"><a name="l00502"></a><span class="lineno"> 502</span>  <span class="keywordflow">throw</span> std::out_of_range(<span class="stringliteral">"Out of range value"</span>);</div><div class="line"><a name="l00503"></a><span class="lineno"> 503</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (const_cast<const char*>(endptr) == str_source) {</div><div class="line"><a name="l00504"></a><span class="lineno"> 504</span>  <span class="keywordflow">throw</span> std::invalid_argument(<span class="stringliteral">"No conversion could be performed"</span>);</div><div class="line"><a name="l00505"></a><span class="lineno"> 505</span>  }</div><div class="line"><a name="l00506"></a><span class="lineno"> 506</span>  <span class="keywordflow">if</span> (pos) {</div><div class="line"><a name="l00507"></a><span class="lineno"> 507</span>  *pos = <span class="keyword">static_cast<</span><span class="keywordtype">size_t</span><span class="keyword">></span>(<span class="keyword">const_cast<</span><span class="keyword">const </span><span class="keywordtype">char</span>*<span class="keyword">></span>(endptr) - str_source);</div><div class="line"><a name="l00508"></a><span class="lineno"> 508</span>  }</div><div class="line"><a name="l00509"></a><span class="lineno"> 509</span>  <span class="keywordflow">return</span> parsed_value;</div><div class="line"><a name="l00510"></a><span class="lineno"> 510</span> }</div><div class="line"><a name="l00511"></a><span class="lineno"> 511</span> </div><div class="line"><a name="l00518"></a><span class="lineno"> 518</span> <span class="keyword">template</span><<span class="keyword">typename</span> T></div><div class="line"><a name="l00519"></a><span class="lineno"><a class="line" href="classdmlc_1_1Str2T.html"> 519</a></span> <span class="keyword">class </span><a class="code" href="classdmlc_1_1Str2T.html">Str2T</a> {</div><div class="line"><a name="l00520"></a><span class="lineno"> 520</span>  <span class="keyword">public</span>:</div><div class="line"><a name="l00527"></a><span class="lineno"> 527</span>  <span class="keyword">static</span> <span class="keyword">inline</span> T <span class="keyword">get</span>(<span class="keyword">const</span> <span class="keywordtype">char</span> * begin, <span class="keyword">const</span> <span class="keywordtype">char</span> * end);</div><div class="line"><a name="l00528"></a><span class="lineno"> 528</span> };</div><div class="line"><a name="l00529"></a><span class="lineno"> 529</span> </div><div class="line"><a name="l00537"></a><span class="lineno"> 537</span> <span class="keyword">template</span><<span class="keyword">typename</span> T></div><div class="line"><a name="l00538"></a><span class="lineno"><a class="line" href="namespacedmlc.html#a890c9ebefc22941afb32fd849b1b3a3f"> 538</a></span> <span class="keyword">inline</span> T <a class="code" href="namespacedmlc.html#a890c9ebefc22941afb32fd849b1b3a3f">Str2Type</a>(<span class="keyword">const</span> <span class="keywordtype">char</span> * begin, <span class="keyword">const</span> <span class="keywordtype">char</span> * end) {</div><div class="line"><a name="l00539"></a><span class="lineno"> 539</span>  <span class="keywordflow">return</span> <a class="code" href="classdmlc_1_1Str2T.html#aca32f0e0494f795c76ba5447671045c4">Str2T<T>::get</a>(begin, end);</div><div class="line"><a name="l00540"></a><span class="lineno"> 540</span> }</div><div class="line"><a name="l00541"></a><span class="lineno"> 541</span> </div><div class="line"><a name="l00545"></a><span class="lineno"> 545</span> <span class="keyword">template</span><></div><div class="line"><a name="l00546"></a><span class="lineno"><a class="line" href="classdmlc_1_1Str2T_3_01int32__t_01_4.html"> 546</a></span> <span class="keyword">class </span><a class="code" href="classdmlc_1_1Str2T.html">Str2T</a><int32_t> {</div><div class="line"><a name="l00547"></a><span class="lineno"> 547</span>  <span class="keyword">public</span>:</div><div class="line"><a name="l00554"></a><span class="lineno"><a class="line" href="classdmlc_1_1Str2T_3_01int32__t_01_4.html#a5af4c725e0e8681c0ef280bafdb31a6c"> 554</a></span>  <span class="keyword">static</span> <span class="keyword">inline</span> int32_t <span class="keyword">get</span>(<span class="keyword">const</span> <span class="keywordtype">char</span> * begin, <span class="keyword">const</span> <span class="keywordtype">char</span> * end) {</div><div class="line"><a name="l00555"></a><span class="lineno"> 555</span>  <span class="keywordflow">return</span> ParseSignedInt<int32_t>(begin, NULL, 10);</div><div class="line"><a name="l00556"></a><span class="lineno"> 556</span>  }</div><div class="line"><a name="l00557"></a><span class="lineno"> 557</span> };</div><div class="line"><a name="l00558"></a><span class="lineno"> 558</span> </div><div class="line"><a name="l00562"></a><span class="lineno"> 562</span> <span class="keyword">template</span><></div><div class="line"><a name="l00563"></a><span class="lineno"><a class="line" href="classdmlc_1_1Str2T_3_01uint32__t_01_4.html"> 563</a></span> <span class="keyword">class </span><a class="code" href="classdmlc_1_1Str2T.html">Str2T</a><uint32_t> {</div><div class="line"><a name="l00564"></a><span class="lineno"> 564</span>  <span class="keyword">public</span>:</div><div class="line"><a name="l00571"></a><span class="lineno"><a class="line" href="classdmlc_1_1Str2T_3_01uint32__t_01_4.html#a4b5c91bbf205346785ba0bf9a690e5a0"> 571</a></span>  <span class="keyword">static</span> <span class="keyword">inline</span> uint32_t <span class="keyword">get</span>(<span class="keyword">const</span> <span class="keywordtype">char</span>* begin, <span class="keyword">const</span> <span class="keywordtype">char</span>* end) {</div><div class="line"><a name="l00572"></a><span class="lineno"> 572</span>  <span class="keywordflow">return</span> ParseUnsignedInt<uint32_t>(begin, NULL, 10);</div><div class="line"><a name="l00573"></a><span class="lineno"> 573</span>  }</div><div class="line"><a name="l00574"></a><span class="lineno"> 574</span> };</div><div class="line"><a name="l00575"></a><span class="lineno"> 575</span> </div><div class="line"><a name="l00579"></a><span class="lineno"> 579</span> <span class="keyword">template</span><></div><div class="line"><a name="l00580"></a><span class="lineno"><a class="line" href="classdmlc_1_1Str2T_3_01int64__t_01_4.html"> 580</a></span> <span class="keyword">class </span><a class="code" href="classdmlc_1_1Str2T.html">Str2T</a><int64_t> {</div><div class="line"><a name="l00581"></a><span class="lineno"> 581</span>  <span class="keyword">public</span>:</div><div class="line"><a name="l00588"></a><span class="lineno"><a class="line" href="classdmlc_1_1Str2T_3_01int64__t_01_4.html#ae3a22a7d520d0adc901a12fd59ac2e6a"> 588</a></span>  <span class="keyword">static</span> <span class="keyword">inline</span> int64_t <span class="keyword">get</span>(<span class="keyword">const</span> <span class="keywordtype">char</span> * begin, <span class="keyword">const</span> <span class="keywordtype">char</span> * end) {</div><div class="line"><a name="l00589"></a><span class="lineno"> 589</span>  <span class="keywordflow">return</span> ParseSignedInt<int64_t>(begin, NULL, 10);</div><div class="line"><a name="l00590"></a><span class="lineno"> 590</span>  }</div><div class="line"><a name="l00591"></a><span class="lineno"> 591</span> };</div><div class="line"><a name="l00592"></a><span class="lineno"> 592</span> </div><div class="line"><a name="l00596"></a><span class="lineno"> 596</span> <span class="keyword">template</span><></div><div class="line"><a name="l00597"></a><span class="lineno"><a class="line" href="classdmlc_1_1Str2T_3_01uint64__t_01_4.html"> 597</a></span> <span class="keyword">class </span><a class="code" href="classdmlc_1_1Str2T.html">Str2T</a><uint64_t> {</div><div class="line"><a name="l00598"></a><span class="lineno"> 598</span>  <span class="keyword">public</span>:</div><div class="line"><a name="l00605"></a><span class="lineno"><a class="line" href="classdmlc_1_1Str2T_3_01uint64__t_01_4.html#a8e3a8e7526361601c31ae605731ceb8c"> 605</a></span>  <span class="keyword">static</span> <span class="keyword">inline</span> uint64_t <span class="keyword">get</span>(<span class="keyword">const</span> <span class="keywordtype">char</span> * begin, <span class="keyword">const</span> <span class="keywordtype">char</span> * end) {</div><div class="line"><a name="l00606"></a><span class="lineno"> 606</span>  <span class="keywordflow">return</span> ParseUnsignedInt<uint64_t>(begin, NULL, 10);</div><div class="line"><a name="l00607"></a><span class="lineno"> 607</span>  }</div><div class="line"><a name="l00608"></a><span class="lineno"> 608</span> };</div><div class="line"><a name="l00609"></a><span class="lineno"> 609</span> </div><div class="line"><a name="l00613"></a><span class="lineno"> 613</span> <span class="keyword">template</span><></div><div class="line"><a name="l00614"></a><span class="lineno"><a class="line" href="classdmlc_1_1Str2T_3_01float_01_4.html"> 614</a></span> <span class="keyword">class </span><a class="code" href="classdmlc_1_1Str2T.html">Str2T</a><float> {</div><div class="line"><a name="l00615"></a><span class="lineno"> 615</span>  <span class="keyword">public</span>:</div><div class="line"><a name="l00622"></a><span class="lineno"><a class="line" href="classdmlc_1_1Str2T_3_01float_01_4.html#a376b60de12b2fb529118bfb6f8dd5f2b"> 622</a></span>  <span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">float</span> <span class="keyword">get</span>(<span class="keyword">const</span> <span class="keywordtype">char</span> * begin, <span class="keyword">const</span> <span class="keywordtype">char</span> * end) {</div><div class="line"><a name="l00623"></a><span class="lineno"> 623</span>  <span class="keywordflow">return</span> <a class="code" href="namespacedmlc.html#a4c6820d1e6705361c263364b709d15a8">atof</a>(begin);</div><div class="line"><a name="l00624"></a><span class="lineno"> 624</span>  }</div><div class="line"><a name="l00625"></a><span class="lineno"> 625</span> };</div><div class="line"><a name="l00626"></a><span class="lineno"> 626</span> </div><div class="line"><a name="l00630"></a><span class="lineno"> 630</span> <span class="keyword">template</span><></div><div class="line"><a name="l00631"></a><span class="lineno"><a class="line" href="classdmlc_1_1Str2T_3_01double_01_4.html"> 631</a></span> <span class="keyword">class </span><a class="code" href="classdmlc_1_1Str2T.html">Str2T</a><double> {</div><div class="line"><a name="l00632"></a><span class="lineno"> 632</span>  <span class="keyword">public</span>:</div><div class="line"><a name="l00639"></a><span class="lineno"><a class="line" href="classdmlc_1_1Str2T_3_01double_01_4.html#ae691d51085b76a32b10cfcf2ceca4df4"> 639</a></span>  <span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">double</span> <span class="keyword">get</span>(<span class="keyword">const</span> <span class="keywordtype">char</span> * begin, <span class="keyword">const</span> <span class="keywordtype">char</span> * end) {</div><div class="line"><a name="l00640"></a><span class="lineno"> 640</span>  <span class="keywordflow">return</span> <a class="code" href="namespacedmlc.html#a345b262c3cbb6d700c22c4d69d46db6e">strtod</a>(begin, 0);</div><div class="line"><a name="l00641"></a><span class="lineno"> 641</span>  }</div><div class="line"><a name="l00642"></a><span class="lineno"> 642</span> };</div><div class="line"><a name="l00643"></a><span class="lineno"> 643</span> </div><div class="line"><a name="l00655"></a><span class="lineno"> 655</span> <span class="keyword">template</span><<span class="keyword">typename</span> T1, <span class="keyword">typename</span> T2></div><div class="line"><a name="l00656"></a><span class="lineno"><a class="line" href="namespacedmlc.html#ac1bd2f744b450d3a7a06fd4e4276f667"> 656</a></span> <span class="keyword">inline</span> <span class="keywordtype">int</span> <a class="code" href="namespacedmlc.html#ac1bd2f744b450d3a7a06fd4e4276f667">ParsePair</a>(<span class="keyword">const</span> <span class="keywordtype">char</span> * begin, <span class="keyword">const</span> <span class="keywordtype">char</span> * end,</div><div class="line"><a name="l00657"></a><span class="lineno"> 657</span>  <span class="keyword">const</span> <span class="keywordtype">char</span> ** endptr, T1 &v1, T2 &v2) { <span class="comment">// NOLINT(*)</span></div><div class="line"><a name="l00658"></a><span class="lineno"> 658</span>  <span class="keyword">const</span> <span class="keywordtype">char</span> * p = begin;</div><div class="line"><a name="l00659"></a><span class="lineno"> 659</span>  <span class="keywordflow">while</span> (p != end && !<a class="code" href="namespacedmlc.html#aadc240ae898cb7f29bd88c5bd96bd3cb">isdigitchars</a>(*p)) ++p;</div><div class="line"><a name="l00660"></a><span class="lineno"> 660</span>  <span class="keywordflow">if</span> (p == end) {</div><div class="line"><a name="l00661"></a><span class="lineno"> 661</span>  *endptr = end;</div><div class="line"><a name="l00662"></a><span class="lineno"> 662</span>  <span class="keywordflow">return</span> 0;</div><div class="line"><a name="l00663"></a><span class="lineno"> 663</span>  }</div><div class="line"><a name="l00664"></a><span class="lineno"> 664</span>  <span class="keyword">const</span> <span class="keywordtype">char</span> * q = p;</div><div class="line"><a name="l00665"></a><span class="lineno"> 665</span>  <span class="keywordflow">while</span> (q != end && <a class="code" href="namespacedmlc.html#aadc240ae898cb7f29bd88c5bd96bd3cb">isdigitchars</a>(*q)) ++q;</div><div class="line"><a name="l00666"></a><span class="lineno"> 666</span>  v1 = Str2Type<T1>(p, q);</div><div class="line"><a name="l00667"></a><span class="lineno"> 667</span>  p = q;</div><div class="line"><a name="l00668"></a><span class="lineno"> 668</span>  <span class="keywordflow">while</span> (p != end && <a class="code" href="namespacedmlc.html#a382379acc79620379a9f7ee29ad5caaf">isblank</a>(*p)) ++p;</div><div class="line"><a name="l00669"></a><span class="lineno"> 669</span>  <span class="keywordflow">if</span> (p == end || *p != <span class="charliteral">':'</span>) {</div><div class="line"><a name="l00670"></a><span class="lineno"> 670</span>  <span class="comment">// only v1</span></div><div class="line"><a name="l00671"></a><span class="lineno"> 671</span>  *endptr = p;</div><div class="line"><a name="l00672"></a><span class="lineno"> 672</span>  <span class="keywordflow">return</span> 1;</div><div class="line"><a name="l00673"></a><span class="lineno"> 673</span>  }</div><div class="line"><a name="l00674"></a><span class="lineno"> 674</span>  p++;</div><div class="line"><a name="l00675"></a><span class="lineno"> 675</span>  <span class="keywordflow">while</span> (p != end && !<a class="code" href="namespacedmlc.html#aadc240ae898cb7f29bd88c5bd96bd3cb">isdigitchars</a>(*p)) ++p;</div><div class="line"><a name="l00676"></a><span class="lineno"> 676</span>  q = p;</div><div class="line"><a name="l00677"></a><span class="lineno"> 677</span>  <span class="keywordflow">while</span> (q != end && <a class="code" href="namespacedmlc.html#aadc240ae898cb7f29bd88c5bd96bd3cb">isdigitchars</a>(*q)) ++q;</div><div class="line"><a name="l00678"></a><span class="lineno"> 678</span>  *endptr = q;</div><div class="line"><a name="l00679"></a><span class="lineno"> 679</span>  v2 = Str2Type<T2>(p, q);</div><div class="line"><a name="l00680"></a><span class="lineno"> 680</span>  <span class="keywordflow">return</span> 2;</div><div class="line"><a name="l00681"></a><span class="lineno"> 681</span> }</div><div class="line"><a name="l00682"></a><span class="lineno"> 682</span> </div><div class="line"><a name="l00696"></a><span class="lineno"> 696</span> <span class="keyword">template</span><<span class="keyword">typename</span> T1, <span class="keyword">typename</span> T2, <span class="keyword">typename</span> T3></div><div class="line"><a name="l00697"></a><span class="lineno"><a class="line" href="namespacedmlc.html#ade27d0fd3a6c3e57a64e225a78e56ced"> 697</a></span> <span class="keyword">inline</span> <span class="keywordtype">int</span> <a class="code" href="namespacedmlc.html#ade27d0fd3a6c3e57a64e225a78e56ced">ParseTriple</a>(<span class="keyword">const</span> <span class="keywordtype">char</span> * begin, <span class="keyword">const</span> <span class="keywordtype">char</span> * end,</div><div class="line"><a name="l00698"></a><span class="lineno"> 698</span>  <span class="keyword">const</span> <span class="keywordtype">char</span> ** endptr, T1 &v1, T2 &v2, T3 &v3) { <span class="comment">// NOLINT(*)</span></div><div class="line"><a name="l00699"></a><span class="lineno"> 699</span>  <span class="keyword">const</span> <span class="keywordtype">char</span> * p = begin;</div><div class="line"><a name="l00700"></a><span class="lineno"> 700</span>  <span class="keywordflow">while</span> (p != end && !<a class="code" href="namespacedmlc.html#aadc240ae898cb7f29bd88c5bd96bd3cb">isdigitchars</a>(*p)) ++p;</div><div class="line"><a name="l00701"></a><span class="lineno"> 701</span>  <span class="keywordflow">if</span> (p == end) {</div><div class="line"><a name="l00702"></a><span class="lineno"> 702</span>  *endptr = end;</div><div class="line"><a name="l00703"></a><span class="lineno"> 703</span>  <span class="keywordflow">return</span> 0;</div><div class="line"><a name="l00704"></a><span class="lineno"> 704</span>  }</div><div class="line"><a name="l00705"></a><span class="lineno"> 705</span>  <span class="keyword">const</span> <span class="keywordtype">char</span> * q = p;</div><div class="line"><a name="l00706"></a><span class="lineno"> 706</span>  <span class="keywordflow">while</span> (q != end && <a class="code" href="namespacedmlc.html#aadc240ae898cb7f29bd88c5bd96bd3cb">isdigitchars</a>(*q)) ++q;</div><div class="line"><a name="l00707"></a><span class="lineno"> 707</span>  v1 = Str2Type<T1>(p, q);</div><div class="line"><a name="l00708"></a><span class="lineno"> 708</span>  p = q;</div><div class="line"><a name="l00709"></a><span class="lineno"> 709</span>  <span class="keywordflow">while</span> (p != end && <a class="code" href="namespacedmlc.html#a382379acc79620379a9f7ee29ad5caaf">isblank</a>(*p)) ++p;</div><div class="line"><a name="l00710"></a><span class="lineno"> 710</span>  <span class="keywordflow">if</span> (p == end || *p != <span class="charliteral">':'</span>) {</div><div class="line"><a name="l00711"></a><span class="lineno"> 711</span>  <span class="comment">// only v1</span></div><div class="line"><a name="l00712"></a><span class="lineno"> 712</span>  *endptr = p;</div><div class="line"><a name="l00713"></a><span class="lineno"> 713</span>  <span class="keywordflow">return</span> 1;</div><div class="line"><a name="l00714"></a><span class="lineno"> 714</span>  }</div><div class="line"><a name="l00715"></a><span class="lineno"> 715</span>  p++;</div><div class="line"><a name="l00716"></a><span class="lineno"> 716</span>  <span class="keywordflow">while</span> (p != end && !<a class="code" href="namespacedmlc.html#aadc240ae898cb7f29bd88c5bd96bd3cb">isdigitchars</a>(*p)) ++p;</div><div class="line"><a name="l00717"></a><span class="lineno"> 717</span>  q = p;</div><div class="line"><a name="l00718"></a><span class="lineno"> 718</span>  <span class="keywordflow">while</span> (q != end && <a class="code" href="namespacedmlc.html#aadc240ae898cb7f29bd88c5bd96bd3cb">isdigitchars</a>(*q)) ++q;</div><div class="line"><a name="l00719"></a><span class="lineno"> 719</span>  v2 = Str2Type<T2>(p, q);</div><div class="line"><a name="l00720"></a><span class="lineno"> 720</span>  p = q;</div><div class="line"><a name="l00721"></a><span class="lineno"> 721</span>  <span class="keywordflow">while</span> (p != end && <a class="code" href="namespacedmlc.html#a382379acc79620379a9f7ee29ad5caaf">isblank</a>(*p)) ++p;</div><div class="line"><a name="l00722"></a><span class="lineno"> 722</span>  <span class="keywordflow">if</span> (p == end || *p != <span class="charliteral">':'</span>) {</div><div class="line"><a name="l00723"></a><span class="lineno"> 723</span>  <span class="comment">// only v1:v2</span></div><div class="line"><a name="l00724"></a><span class="lineno"> 724</span>  *endptr = p;</div><div class="line"><a name="l00725"></a><span class="lineno"> 725</span>  <span class="keywordflow">return</span> 2;</div><div class="line"><a name="l00726"></a><span class="lineno"> 726</span>  }</div><div class="line"><a name="l00727"></a><span class="lineno"> 727</span>  p++;</div><div class="line"><a name="l00728"></a><span class="lineno"> 728</span>  <span class="keywordflow">while</span> (p != end && !<a class="code" href="namespacedmlc.html#aadc240ae898cb7f29bd88c5bd96bd3cb">isdigitchars</a>(*p)) ++p;</div><div class="line"><a name="l00729"></a><span class="lineno"> 729</span>  q = p;</div><div class="line"><a name="l00730"></a><span class="lineno"> 730</span>  <span class="keywordflow">while</span> (q != end && <a class="code" href="namespacedmlc.html#aadc240ae898cb7f29bd88c5bd96bd3cb">isdigitchars</a>(*q)) ++q;</div><div class="line"><a name="l00731"></a><span class="lineno"> 731</span>  *endptr = q;</div><div class="line"><a name="l00732"></a><span class="lineno"> 732</span>  v3 = Str2Type<T3>(p, q);</div><div class="line"><a name="l00733"></a><span class="lineno"> 733</span>  <span class="keywordflow">return</span> 3;</div><div class="line"><a name="l00734"></a><span class="lineno"> 734</span> }</div><div class="line"><a name="l00735"></a><span class="lineno"> 735</span> } <span class="comment">// namespace dmlc</span></div><div class="line"><a name="l00736"></a><span class="lineno"> 736</span> </div><div class="line"><a name="l00737"></a><span class="lineno"> 737</span> <span class="preprocessor">#endif // DMLC_STRTONUM_H_</span></div><div class="ttc" id="namespacedmlc_html_ade80237502ab5ae86b9c1454a09c66ee"><div class="ttname"><a href="namespacedmlc.html#ade80237502ab5ae86b9c1454a09c66ee">dmlc::ParseFloat</a></div><div class="ttdeci">FloatType ParseFloat(const char *nptr, char **endptr)</div><div class="ttdoc">Common implementation for dmlc::strtof() and dmlc::strtod() TODO: the current version does not suppor...</div><div class="ttdef"><b>Definition:</b> strtonum.h:99</div></div> |
| <div class="ttc" id="namespacedmlc_html_abd212a404ead6ae94faa2b65b4af796d"><div class="ttname"><a href="namespacedmlc.html#abd212a404ead6ae94faa2b65b4af796d">dmlc::strtod_check_range</a></div><div class="ttdeci">double strtod_check_range(const char *nptr, char **endptr)</div><div class="ttdoc">A faster implementation of strtod(). See documentation of std::strtod() for more information. This function will check for overflow. If the converted value is outside the range for the double type, errno is set to ERANGE and HUGE_VAL is returned. TODO: the current version does not support hex number TODO: the current version does not handle long decimals: you may only have up to 19 digits after the decimal point, and you cannot have too many digits before the decimal point either. </div><div class="ttdef"><b>Definition:</b> strtonum.h:321</div></div> |
| <div class="ttc" id="namespacedmlc_html_a5f49479b0736b8709986ead800e1bfdc"><div class="ttname"><a href="namespacedmlc.html#a5f49479b0736b8709986ead800e1bfdc">dmlc::stod</a></div><div class="ttdeci">double stod(const std::string &value, size_t *pos=nullptr)</div><div class="ttdoc">A faster implementation of stod(). See documentation of std::stod() for more information. This function will test for overflow and invalid arguments. TODO: the current version does not support hex number TODO: the current version does not handle long decimals: you may only have up to 19 digits after the decimal point, and you cannot have too many digits before the decimal point either. </div><div class="ttdef"><b>Definition:</b> strtonum.h:497</div></div> |
| <div class="ttc" id="namespacedmlc_html_ae5d2f93a1b7b7683df3c674e0c3d1863"><div class="ttname"><a href="namespacedmlc.html#ae5d2f93a1b7b7683df3c674e0c3d1863">dmlc::ParseUnsignedInt</a></div><div class="ttdeci">UnsignedIntType ParseUnsignedInt(const char *nptr, char **endptr, int base)</div><div class="ttdoc">A fast string-to-integer convertor, for unsigned integers TODO: the current version supports only bas...</div><div class="ttdef"><b>Definition:</b> strtonum.h:378</div></div> |
| <div class="ttc" id="classdmlc_1_1Str2T_html"><div class="ttname"><a href="classdmlc_1_1Str2T.html">dmlc::Str2T</a></div><div class="ttdoc">Interface class that defines a single method get() to convert a string into type T. Define template specialization of this class to define the conversion method for a particular type. </div><div class="ttdef"><b>Definition:</b> strtonum.h:519</div></div> |
| <div class="ttc" id="namespacedmlc_html_a52dcf01c9ba22be9b08e455194fb2ab3"><div class="ttname"><a href="namespacedmlc.html#a52dcf01c9ba22be9b08e455194fb2ab3">dmlc::isspace</a></div><div class="ttdeci">bool isspace(char c)</div><div class="ttdoc">Inline implementation of isspace(). Tests whether the given character is a whitespace letter...</div><div class="ttdef"><b>Definition:</b> strtonum.h:26</div></div> |
| <div class="ttc" id="namespacedmlc_html"><div class="ttname"><a href="namespacedmlc.html">dmlc</a></div><div class="ttdoc">namespace for dmlc </div><div class="ttdef"><b>Definition:</b> array_view.h:12</div></div> |
| <div class="ttc" id="namespacedmlc_html_abe766bbcae14a7ff2720bb248cca0db9"><div class="ttname"><a href="namespacedmlc.html#abe766bbcae14a7ff2720bb248cca0db9">dmlc::ParseSignedInt</a></div><div class="ttdeci">SignedIntType ParseSignedInt(const char *nptr, char **endptr, int base)</div><div class="ttdoc">A fast string-to-integer convertor, for signed integers TODO: the current version supports only base ...</div><div class="ttdef"><b>Definition:</b> strtonum.h:337</div></div> |
| <div class="ttc" id="namespacedmlc_html_a43a149fb880b527d393975a884255341"><div class="ttname"><a href="namespacedmlc.html#a43a149fb880b527d393975a884255341">dmlc::stof</a></div><div class="ttdeci">float stof(const std::string &value, size_t *pos=nullptr)</div><div class="ttdoc">A faster implementation of stof(). See documentation of std::stof() for more information. This function will test for overflow and invalid arguments. TODO: the current version does not support hex number TODO: the current version does not handle long decimals: you may only have up to 19 digits after the decimal point, and you cannot have too many digits before the decimal point either. </div><div class="ttdef"><b>Definition:</b> strtonum.h:467</div></div> |
| <div class="ttc" id="namespacedmlc_html_a3717fca311a75301eedca7e77e744459"><div class="ttname"><a href="namespacedmlc.html#a3717fca311a75301eedca7e77e744459">dmlc::strtof_check_range</a></div><div class="ttdeci">float strtof_check_range(const char *nptr, char **endptr)</div><div class="ttdoc">A faster implementation of strtof(). See documentation of std::strtof() for more information. This function will check for overflow. If the converted value is outside the range for the float type, errno is set to ERANGE and HUGE_VALF is returned. TODO: the current version does not support hex number TODO: the current version does not handle long decimals: you may only have up to 19 digits after the decimal point, and you cannot have too many digits before the decimal point either. </div><div class="ttdef"><b>Definition:</b> strtonum.h:286</div></div> |
| <div class="ttc" id="namespacedmlc_html_ac63dcf48b6a8ec204720a121f01477e9"><div class="ttname"><a href="namespacedmlc.html#ac63dcf48b6a8ec204720a121f01477e9">dmlc::strtoull</a></div><div class="ttdeci">uint64_t strtoull(const char *nptr, char **endptr, int base)</div><div class="ttdoc">A faster implementation of strtoull(). See documentation of std::strtoull() for more information...</div><div class="ttdef"><b>Definition:</b> strtonum.h:422</div></div> |
| <div class="ttc" id="namespacedmlc_html_aadc240ae898cb7f29bd88c5bd96bd3cb"><div class="ttname"><a href="namespacedmlc.html#aadc240ae898cb7f29bd88c5bd96bd3cb">dmlc::isdigitchars</a></div><div class="ttdeci">bool isdigitchars(char c)</div><div class="ttdoc">Tests whether the given character is a valid letter in the string representation of a floating-point ...</div><div class="ttdef"><b>Definition:</b> strtonum.h:70</div></div> |
| <div class="ttc" id="namespacedmlc_html_a7e6f99de792eaca82bdf6189ba6e0d77"><div class="ttname"><a href="namespacedmlc.html#a7e6f99de792eaca82bdf6189ba6e0d77">dmlc::kStrtofMaxDigits</a></div><div class="ttdeci">const int kStrtofMaxDigits</div><div class="ttdoc">Maximum number of decimal digits dmlc::strtof() / dmlc::strtod() will process. Trailing digits will b...</div><div class="ttdef"><b>Definition:</b> strtonum.h:81</div></div> |
| <div class="ttc" id="namespacedmlc_html_ac1bd2f744b450d3a7a06fd4e4276f667"><div class="ttname"><a href="namespacedmlc.html#ac1bd2f744b450d3a7a06fd4e4276f667">dmlc::ParsePair</a></div><div class="ttdeci">int ParsePair(const char *begin, const char *end, const char **endptr, T1 &v1, T2 &v2)</div><div class="ttdoc">Parse colon seperated pair v1[:v2]. </div><div class="ttdef"><b>Definition:</b> strtonum.h:656</div></div> |
| <div class="ttc" id="namespacedmlc_html_a382379acc79620379a9f7ee29ad5caaf"><div class="ttname"><a href="namespacedmlc.html#a382379acc79620379a9f7ee29ad5caaf">dmlc::isblank</a></div><div class="ttdeci">bool isblank(char c)</div><div class="ttdoc">Inline implementation of isblank(). Tests whether the given character is a space or tab character...</div><div class="ttdef"><b>Definition:</b> strtonum.h:36</div></div> |
| <div class="ttc" id="namespacedmlc_html_ade27d0fd3a6c3e57a64e225a78e56ced"><div class="ttname"><a href="namespacedmlc.html#ade27d0fd3a6c3e57a64e225a78e56ced">dmlc::ParseTriple</a></div><div class="ttdeci">int ParseTriple(const char *begin, const char *end, const char **endptr, T1 &v1, T2 &v2, T3 &v3)</div><div class="ttdoc">Parse colon seperated triple v1:v2[:v3]. </div><div class="ttdef"><b>Definition:</b> strtonum.h:697</div></div> |
| <div class="ttc" id="namespacedmlc_html_a46a57f902842152f71261ab44e887017"><div class="ttname"><a href="namespacedmlc.html#a46a57f902842152f71261ab44e887017">dmlc::atol</a></div><div class="ttdeci">long atol(const char *p)</div><div class="ttdoc">A faster implementation of atol(). See documentation of std::atol() for more information. This function will use base 10. Note that this function does not check for overflow. </div><div class="ttdef"><b>Definition:</b> strtonum.h:434</div></div> |
| <div class="ttc" id="namespacedmlc_html_a4c6820d1e6705361c263364b709d15a8"><div class="ttname"><a href="namespacedmlc.html#a4c6820d1e6705361c263364b709d15a8">dmlc::atof</a></div><div class="ttdeci">float atof(const char *nptr)</div><div class="ttdoc">A faster implementation of atof(). Unlike std::atof(), this function returns float type...</div><div class="ttdef"><b>Definition:</b> strtonum.h:448</div></div> |
| <div class="ttc" id="3rdparty_2dmlc-core_2include_2dmlc_2base_8h_html"><div class="ttname"><a href="3rdparty_2dmlc-core_2include_2dmlc_2base_8h.html">base.h</a></div></div> |
| <div class="ttc" id="namespacedmlc_html_a93c2c8f7859b02cecb9c094cddd91af9"><div class="ttname"><a href="namespacedmlc.html#a93c2c8f7859b02cecb9c094cddd91af9">dmlc::strtof</a></div><div class="ttdeci">float strtof(const char *nptr, char **endptr)</div><div class="ttdoc">A faster implementation of strtof(). See documentation of std::strtof() for more information. Note that this function does not check for overflow. Use strtof_check_range() to check for overflow. TODO: the current version does not support hex number TODO: the current version does not handle long decimals: you may only have up to 19 digits after the decimal point, and you cannot have too many digits before the decimal point either. </div><div class="ttdef"><b>Definition:</b> strtonum.h:268</div></div> |
| <div class="ttc" id="namespacedmlc_html_a8234006cb1d67dcba5f9f856fe805c19"><div class="ttname"><a href="namespacedmlc.html#a8234006cb1d67dcba5f9f856fe805c19">dmlc::isalpha</a></div><div class="ttdeci">bool isalpha(char c)</div><div class="ttdoc">Inline implementation of isalpha(). Tests whether the given character is an alphabet letter...</div><div class="ttdef"><b>Definition:</b> strtonum.h:56</div></div> |
| <div class="ttc" id="namespacedmlc_html_a890c9ebefc22941afb32fd849b1b3a3f"><div class="ttname"><a href="namespacedmlc.html#a890c9ebefc22941afb32fd849b1b3a3f">dmlc::Str2Type</a></div><div class="ttdeci">T Str2Type(const char *begin, const char *end)</div><div class="ttdoc">Convenience function for converting string into type T. </div><div class="ttdef"><b>Definition:</b> strtonum.h:538</div></div> |
| <div class="ttc" id="classdmlc_1_1Str2T_html_aca32f0e0494f795c76ba5447671045c4"><div class="ttname"><a href="classdmlc_1_1Str2T.html#aca32f0e0494f795c76ba5447671045c4">dmlc::Str2T::get</a></div><div class="ttdeci">static T get(const char *begin, const char *end)</div><div class="ttdoc">Convert a string into type T. </div></div> |
| <div class="ttc" id="namespacedmlc_html_a5dab1c816301d0261e96d002ab157d3a"><div class="ttname"><a href="namespacedmlc.html#a5dab1c816301d0261e96d002ab157d3a">dmlc::isdigit</a></div><div class="ttdeci">bool isdigit(char c)</div><div class="ttdoc">Inline implementation of isdigit(). Tests whether the given character is a decimal digit...</div><div class="ttdef"><b>Definition:</b> strtonum.h:46</div></div> |
| <div class="ttc" id="namespacedmlc_html_a345b262c3cbb6d700c22c4d69d46db6e"><div class="ttname"><a href="namespacedmlc.html#a345b262c3cbb6d700c22c4d69d46db6e">dmlc::strtod</a></div><div class="ttdeci">double strtod(const char *nptr, char **endptr)</div><div class="ttdoc">A faster implementation of strtod(). See documentation of std::strtof() for more information. Note that this function does not check for overflow. Use strtod_check_range() to check for overflow. TODO: the current version does not support hex number TODO: the current version does not handle long decimals: you may only have up to 19 digits after the decimal point, and you cannot have too many digits before the decimal point either. </div><div class="ttdef"><b>Definition:</b> strtonum.h:303</div></div> |
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