| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| /* |
| * $Id$ |
| */ |
| |
| // --------------------------------------------------------------------------- |
| // Includes |
| // --------------------------------------------------------------------------- |
| #include <xercesc/util/XMLFloat.hpp> |
| #include <math.h> |
| |
| namespace XERCES_CPP_NAMESPACE { |
| |
| // --------------------------------------------------------------------------- |
| // ctor/dtor |
| // --------------------------------------------------------------------------- |
| XMLFloat::XMLFloat(const XMLCh* const strValue, |
| MemoryManager* const manager) |
| :XMLAbstractDoubleFloat(manager) |
| { |
| init(strValue); |
| } |
| |
| XMLFloat::~XMLFloat() |
| { |
| } |
| |
| void XMLFloat::checkBoundary(char* const strValue) |
| { |
| convert(strValue); |
| |
| if (fDataConverted == false) |
| { |
| /** |
| * float related checking |
| */ |
| |
| // 3.2.4 The basic value space of float consists of the values m × 2^e, where |
| // m is an integer whose absolute value is less than 2^24, |
| // and e is an integer between -149 and 104, inclusive |
| static const double fltMin = pow(2.0,-149); |
| static const double fltMax = pow(2.0,24) * pow(2.0,104); |
| if (fValue < (-1) * fltMax) |
| { |
| fType = NegINF; |
| fDataConverted = true; |
| fDataOverflowed = true; |
| } |
| else if (fValue > (-1)*fltMin && fValue < 0) |
| { |
| fDataConverted = true; |
| fValue = 0; |
| } |
| else if (fValue > 0 && fValue < fltMin ) |
| { |
| fDataConverted = true; |
| fValue = 0; |
| } |
| else if (fValue > fltMax) |
| { |
| fType = PosINF; |
| fDataConverted = true; |
| fDataOverflowed = true; |
| } |
| } |
| } |
| |
| /*** |
| * Support for Serialization/De-serialization |
| ***/ |
| |
| IMPL_XSERIALIZABLE_TOCREATE(XMLFloat) |
| |
| XMLFloat::XMLFloat(MemoryManager* const manager) |
| :XMLAbstractDoubleFloat(manager) |
| { |
| } |
| |
| void XMLFloat::serialize(XSerializeEngine& serEng) |
| { |
| XMLAbstractDoubleFloat::serialize(serEng); |
| } |
| |
| } |