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| <pre>public final class <span class="typeNameLabel">DataSizeRoundingUtil</span> |
| extends <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></pre> |
| <div class="block">Utilities for rounding data size.</div> |
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| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>static int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/arrow/vector/util/DataSizeRoundingUtil.html#DIVIDE_BY_8_SHIFT_BITS">DIVIDE_BY_8_SHIFT_BITS</a></span></code> |
| <div class="block">The number of bits to shift for dividing by 8.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>static int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/arrow/vector/util/DataSizeRoundingUtil.html#ROUND_8_MASK_INT">ROUND_8_MASK_INT</a></span></code> |
| <div class="block">The mask for rounding an integer to a multiple of 8.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>static long</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/arrow/vector/util/DataSizeRoundingUtil.html#ROUND_8_MASK_LONG">ROUND_8_MASK_LONG</a></span></code> |
| <div class="block">The mask for rounding a long integer to a multiple of 8.</div> |
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| <td class="colFirst"><code>static int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/arrow/vector/util/DataSizeRoundingUtil.html#divideBy8Ceil-int-">divideBy8Ceil</a></span>(int input)</code> |
| <div class="block">A fast way to compute Math.ceil(input / 8.0).</div> |
| </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code>static long</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/arrow/vector/util/DataSizeRoundingUtil.html#divideBy8Ceil-long-">divideBy8Ceil</a></span>(long input)</code> |
| <div class="block">A fast way to compute Math.ceil(input / 8.0).</div> |
| </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code>static int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/arrow/vector/util/DataSizeRoundingUtil.html#roundDownTo8Multiple-int-">roundDownTo8Multiple</a></span>(int input)</code> |
| <div class="block">Round down the number to the nearest multiple of 8.</div> |
| </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code>static long</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/arrow/vector/util/DataSizeRoundingUtil.html#roundDownTo8Multiple-long-">roundDownTo8Multiple</a></span>(long input)</code> |
| <div class="block">Round down the number to the nearest multiple of 8.</div> |
| </td> |
| </tr> |
| <tr id="i4" class="altColor"> |
| <td class="colFirst"><code>static int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/arrow/vector/util/DataSizeRoundingUtil.html#roundUpTo8Multiple-int-">roundUpTo8Multiple</a></span>(int input)</code> |
| <div class="block">Round up the number to the nearest multiple of 8.</div> |
| </td> |
| </tr> |
| <tr id="i5" class="rowColor"> |
| <td class="colFirst"><code>static long</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/arrow/vector/util/DataSizeRoundingUtil.html#roundUpTo8Multiple-long-">roundUpTo8Multiple</a></span>(long input)</code> |
| <div class="block">Round up the number to the nearest multiple of 8.</div> |
| </td> |
| </tr> |
| <tr id="i6" class="altColor"> |
| <td class="colFirst"><code>static long</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/arrow/vector/util/DataSizeRoundingUtil.html#roundUpToMultipleOf16-long-">roundUpToMultipleOf16</a></span>(long num)</code> </td> |
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| <h4>ROUND_8_MASK_INT</h4> |
| <pre>public static int ROUND_8_MASK_INT</pre> |
| <div class="block">The mask for rounding an integer to a multiple of 8. |
| (i.e. clear the lowest 3 bits)</div> |
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| <h4>ROUND_8_MASK_LONG</h4> |
| <pre>public static long ROUND_8_MASK_LONG</pre> |
| <div class="block">The mask for rounding a long integer to a multiple of 8. |
| (i.e. clear the lowest 3 bits)</div> |
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| <pre>public static int DIVIDE_BY_8_SHIFT_BITS</pre> |
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| <pre>public static int roundUpTo8Multiple(int input)</pre> |
| <div class="block">Round up the number to the nearest multiple of 8.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>input</code> - the number to round.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the rounded number.</dd> |
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| <pre>public static long roundUpTo8Multiple(long input)</pre> |
| <div class="block">Round up the number to the nearest multiple of 8.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>input</code> - the number to round.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the rounded number</dd> |
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| <pre>public static int roundDownTo8Multiple(int input)</pre> |
| <div class="block">Round down the number to the nearest multiple of 8.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>input</code> - the number to round.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the rounded number.</dd> |
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| <pre>public static long roundDownTo8Multiple(long input)</pre> |
| <div class="block">Round down the number to the nearest multiple of 8.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>input</code> - the number to round.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the rounded number</dd> |
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| <pre>public static int divideBy8Ceil(int input)</pre> |
| <div class="block">A fast way to compute Math.ceil(input / 8.0).</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>input</code> - the input number.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the computed number.</dd> |
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| <pre>public static long divideBy8Ceil(long input)</pre> |
| <div class="block">A fast way to compute Math.ceil(input / 8.0).</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>input</code> - the input number.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the computed number.</dd> |
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