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<h1>Numeric.hpp</h1><a href="Numeric_8hpp.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment">00001 <span class="comment">/*</span>
00002 <span class="comment"> * Copyright (c) 2001-2008</span>
00003 <span class="comment"> * DecisionSoft Limited. All rights reserved.</span>
00004 <span class="comment"> * Copyright (c) 2004-2008</span>
00005 <span class="comment"> * Oracle. All rights reserved.</span>
00006 <span class="comment"> *</span>
00007 <span class="comment"> * Licensed under the Apache License, Version 2.0 (the "License");</span>
00008 <span class="comment"> * you may not use this file except in compliance with the License.</span>
00009 <span class="comment"> * You may obtain a copy of the License at</span>
00010 <span class="comment"> *</span>
00011 <span class="comment"> * http://www.apache.org/licenses/LICENSE-2.0</span>
00012 <span class="comment"> *</span>
00013 <span class="comment"> * Unless required by applicable law or agreed to in writing, software</span>
00014 <span class="comment"> * distributed under the License is distributed on an "AS IS" BASIS,</span>
00015 <span class="comment"> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span>
00016 <span class="comment"> * See the License for the specific language governing permissions and</span>
00017 <span class="comment"> * limitations under the License.</span>
00018 <span class="comment"> *</span>
00019 <span class="comment"> * $Id: Numeric.hpp 570 2008-08-05 23:43:59Z jpcs $</span>
00020 <span class="comment"> */</span>
00021
00022 <span class="preprocessor">#ifndef __NUMERIC_HPP</span>
00023 <span class="preprocessor"></span><span class="preprocessor">#define __NUMERIC_HPP</span>
00024 <span class="preprocessor"></span>
00025 <span class="preprocessor">#include &lt;xercesc/util/XercesDefs.hpp&gt;</span>
00026 <span class="preprocessor">#include &lt;xqilla/framework/XQillaExport.hpp&gt;</span>
00027 <span class="preprocessor">#include &lt;<a class="code" href="AnyAtomicType_8hpp.html">xqilla/items/AnyAtomicType.hpp</a>&gt;</span>
00028
00029 <span class="keyword">class </span><a class="code" href="classDynamicContext.html">DynamicContext</a>;
00030 <span class="keyword">class </span><a class="code" href="classStaticContext.html">StaticContext</a>;
00031 <span class="keyword">class </span>MAPM;
00032
<a name="l00033"></a><a class="code" href="classNumeric.html">00033</a> <span class="keyword">class </span>XQILLA_API Numeric : <span class="keyword">public</span> <a class="code" href="classAnyAtomicType.html">AnyAtomicType</a>
00034 {
00035 <span class="keyword">public</span>:
<a name="l00036"></a><a class="code" href="classNumeric.html#w0">00036</a> <span class="keyword">typedef</span> <a class="code" href="classRefCountPointer.html">RefCountPointer&lt;const Numeric&gt;</a> <a class="code" href="classRefCountPointer.html">Ptr</a>;
00037
00038 <span class="comment">/* is this type numeric? Return true */</span>
<a name="l00039"></a><a class="code" href="classNumeric.html#a0">00039</a> <span class="keyword">virtual</span> <span class="keywordtype">bool</span> <a class="code" href="classAnyAtomicType.html#a3">isNumericValue</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> <span class="keyword">true</span>; };
00040
00041 <span class="comment">/* Get the name of the primitive type (basic type) of this type</span>
00042 <span class="comment"> * (ie "decimal" for xs:decimal) */</span>
00043 <span class="keyword">virtual</span> <span class="keyword">const</span> XMLCh* <a class="code" href="classAnyAtomicType.html#a6">getPrimitiveTypeName</a>() <span class="keyword">const </span>= 0;
00044
00045 <span class="comment">/* Get the namespace URI for this type */</span>
00046 <span class="keyword">virtual</span> <span class="keyword">const</span> XMLCh* <a class="code" href="classAnyAtomicType.html#a7">getTypeURI</a>() <span class="keyword">const </span>= 0;
00047
00048 <span class="comment">/* Get the name of this type (ie "integer" for xs:integer) */</span>
00049 <span class="keyword">virtual</span> <span class="keyword">const</span> XMLCh* <a class="code" href="classAnyAtomicType.html#a8">getTypeName</a>() <span class="keyword">const </span>= 0;
00050
00051 <span class="comment">/* returns the XMLCh* (canonical) representation of this type */</span>
00052 <span class="keyword">virtual</span> <span class="keyword">const</span> XMLCh* <a class="code" href="classAnyAtomicType.html#a14">asString</a>(<span class="keyword">const</span> <a class="code" href="classDynamicContext.html">DynamicContext</a>* context) <span class="keyword">const </span>= 0;
00053
00054 <span class="comment">/* Promote this to the given type, if possible */</span>
00055 <span class="keyword">virtual</span> <a class="code" href="classRefCountPointer.html">Numeric::Ptr</a> promoteTypeIfApplicable(AnyAtomicType::AtomicObjectType typeIndex,
00056 <span class="keyword">const</span> <a class="code" href="classDynamicContext.html">DynamicContext</a>* context) <span class="keyword">const </span>= 0;
00057
00058 <span class="comment">/* returns true if the two Numeric values are equal </span>
00059 <span class="comment"> * false otherwise */</span>
00060 <span class="keyword">virtual</span> <span class="keywordtype">bool</span> <a class="code" href="classAnyAtomicType.html#a15">equals</a>(<span class="keyword">const</span> <a class="code" href="classRefCountPointer.html">AnyAtomicType::Ptr</a> &amp;target, <span class="keyword">const</span> <a class="code" href="classDynamicContext.html">DynamicContext</a>* context) <span class="keyword">const</span>;
00061
00063 <span class="keyword">virtual</span> <span class="keywordtype">bool</span> lessThan(<span class="keyword">const</span> <a class="code" href="classRefCountPointer.html">Numeric::Ptr</a> &amp;other, <span class="keyword">const</span> <a class="code" href="classDynamicContext.html">DynamicContext</a>* context) <span class="keyword">const</span>;
00064
00066 <span class="keyword">virtual</span> <span class="keywordtype">bool</span> greaterThan(<span class="keyword">const</span> <a class="code" href="classRefCountPointer.html">Numeric::Ptr</a> &amp;other, <span class="keyword">const</span> <a class="code" href="classDynamicContext.html">DynamicContext</a>* context) <span class="keyword">const</span>;
00067
00070 <span class="keyword">virtual</span> <span class="keywordtype">int</span> compare(<span class="keyword">const</span> <a class="code" href="classRefCountPointer.html">Numeric::Ptr</a> &amp;other, <span class="keyword">const</span> <a class="code" href="classDynamicContext.html">DynamicContext</a> *context) <span class="keyword">const</span>;
00071
00073 <span class="keyword">virtual</span> <a class="code" href="classRefCountPointer.html">Numeric::Ptr</a> add(<span class="keyword">const</span> <a class="code" href="classRefCountPointer.html">Numeric::Ptr</a> &amp;other, <span class="keyword">const</span> <a class="code" href="classDynamicContext.html">DynamicContext</a>* context) <span class="keyword">const </span>= 0;
00074
00077 <span class="keyword">virtual</span> <a class="code" href="classRefCountPointer.html">Numeric::Ptr</a> subtract(<span class="keyword">const</span> <a class="code" href="classRefCountPointer.html">Numeric::Ptr</a> &amp;other, <span class="keyword">const</span> <a class="code" href="classDynamicContext.html">DynamicContext</a>* context) <span class="keyword">const </span>= 0;
00078
00080 <span class="keyword">virtual</span> <a class="code" href="classRefCountPointer.html">Numeric::Ptr</a> multiply(<span class="keyword">const</span> <a class="code" href="classRefCountPointer.html">Numeric::Ptr</a> &amp;other, <span class="keyword">const</span> <a class="code" href="classDynamicContext.html">DynamicContext</a>* context) <span class="keyword">const </span>= 0;
00081
00083 <span class="keyword">virtual</span> <a class="code" href="classRefCountPointer.html">Numeric::Ptr</a> divide(<span class="keyword">const</span> <a class="code" href="classRefCountPointer.html">Numeric::Ptr</a> &amp;other, <span class="keyword">const</span> <a class="code" href="classDynamicContext.html">DynamicContext</a>* context) <span class="keyword">const </span>= 0;
00084
00086 <span class="keyword">virtual</span> <a class="code" href="classRefCountPointer.html">Numeric::Ptr</a> mod(<span class="keyword">const</span> <a class="code" href="classRefCountPointer.html">Numeric::Ptr</a> &amp;other, <span class="keyword">const</span> <a class="code" href="classDynamicContext.html">DynamicContext</a>* context) <span class="keyword">const </span>= 0;
00087
00089 <span class="keyword">virtual</span> <a class="code" href="classRefCountPointer.html">Numeric::Ptr</a> floor(<span class="keyword">const</span> <a class="code" href="classDynamicContext.html">DynamicContext</a>* context) <span class="keyword">const </span>= 0;
00090
00092 <span class="keyword">virtual</span> <a class="code" href="classRefCountPointer.html">Numeric::Ptr</a> ceiling(<span class="keyword">const</span> <a class="code" href="classDynamicContext.html">DynamicContext</a>* context) <span class="keyword">const </span>= 0;
00093
00095 <span class="keyword">virtual</span> <a class="code" href="classRefCountPointer.html">Numeric::Ptr</a> round(<span class="keyword">const</span> <a class="code" href="classDynamicContext.html">DynamicContext</a>* context) <span class="keyword">const </span>= 0;
00096
00098 <span class="keyword">virtual</span> <a class="code" href="classRefCountPointer.html">Numeric::Ptr</a> roundHalfToEven(<span class="keyword">const</span> <a class="code" href="classRefCountPointer.html">Numeric::Ptr</a> &amp;precision, <span class="keyword">const</span> <a class="code" href="classDynamicContext.html">DynamicContext</a>* context) <span class="keyword">const </span>= 0;
00099
00101 <span class="keyword">virtual</span> <a class="code" href="classRefCountPointer.html">Numeric::Ptr</a> invert(<span class="keyword">const</span> <a class="code" href="classDynamicContext.html">DynamicContext</a>* context) <span class="keyword">const </span>= 0;
00102
00104 <span class="keyword">virtual</span> <span class="keywordtype">bool</span> isZero() <span class="keyword">const </span>= 0;
00105
00107 <span class="keyword">virtual</span> <span class="keywordtype">bool</span> isPositive() <span class="keyword">const </span>= 0;
00108
00110 <span class="keyword">virtual</span> <span class="keywordtype">bool</span> isNegative() <span class="keyword">const </span>= 0;
00111
00112 <span class="comment">/* Is this floating point value not a number? */</span>
00113 <span class="keyword">virtual</span> <span class="keywordtype">bool</span> isNaN() <span class="keyword">const </span>= 0;
00114
00115 <span class="comment">/* Is this floating point value infinite? */</span>
00116 <span class="keyword">virtual</span> <span class="keywordtype">bool</span> isInfinite() <span class="keyword">const </span>= 0;
00117
00118 <span class="keyword">virtual</span> AnyAtomicType::AtomicObjectType <a class="code" href="classAnyAtomicType.html#a20">getPrimitiveTypeIndex</a>() <span class="keyword">const </span>= 0;
00119
00120 <span class="keyword">virtual</span> <span class="keyword">const</span> MAPM &amp;asMAPM() <span class="keyword">const </span>= 0;
00121 <span class="keyword">virtual</span> <span class="keywordtype">double</span> asDouble() <span class="keyword">const</span>;
00122 <span class="keyword">virtual</span> <span class="keywordtype">int</span> asInt() <span class="keyword">const</span>;
00123
<a name="l00124"></a><a class="code" href="classNumeric.html#w6">00124</a> <span class="keyword">enum</span> State {
00125 NEG_INF = 0,
00126 NEG_NUM = 1,
00127 NUM = 2,
00128 INF = 3,
00129 NaN = 4
00130 };
00131
00132 <span class="keyword">virtual</span> State getState() <span class="keyword">const </span>= 0;
00133
<a name="l00134"></a><a class="code" href="classNumeric.html#s0">00134</a> <span class="keyword">static</span> <span class="keyword">const</span> XMLCh NaN_string[];
<a name="l00135"></a><a class="code" href="classNumeric.html#s1">00135</a> <span class="keyword">static</span> <span class="keyword">const</span> XMLCh NAN_string[];
<a name="l00136"></a><a class="code" href="classNumeric.html#s2">00136</a> <span class="keyword">static</span> <span class="keyword">const</span> XMLCh INF_string[];
<a name="l00137"></a><a class="code" href="classNumeric.html#s3">00137</a> <span class="keyword">static</span> <span class="keyword">const</span> XMLCh NegINF_string[];
<a name="l00138"></a><a class="code" href="classNumeric.html#s4">00138</a> <span class="keyword">static</span> <span class="keyword">const</span> XMLCh NegZero_string[];
<a name="l00139"></a><a class="code" href="classNumeric.html#s5">00139</a> <span class="keyword">static</span> <span class="keyword">const</span> XMLCh PosZero_string[];
00140
00141 <span class="keyword">static</span> <span class="keywordtype">void</span> checkFloatLimits(Numeric::State &amp;state, MAPM &amp;value);
00142 <span class="keyword">static</span> <span class="keywordtype">void</span> checkDoubleLimits(Numeric::State &amp;state, MAPM &amp;value);
00143
00144 <span class="keyword">static</span> <span class="keyword">const</span> XMLCh *asDecimalString(<span class="keyword">const</span> MAPM &amp;value, <span class="keywordtype">int</span> significantDigits, <span class="keyword">const</span> <a class="code" href="classStaticContext.html">StaticContext</a>* context);
00145 <span class="keyword">static</span> <span class="keyword">const</span> XMLCh *asDoubleString(State state, <span class="keyword">const</span> MAPM &amp;value, <span class="keywordtype">int</span> significantDigits, <span class="keyword">const</span> <a class="code" href="classStaticContext.html">StaticContext</a>* context);
00146
00147 <span class="keyword">protected</span>:
00148 <span class="keyword">virtual</span> <a class="code" href="classRefCountPointer.html">AnyAtomicType::Ptr</a> <a class="code" href="classAnyAtomicType.html#b0">castAsInternal</a>(AtomicObjectType targetIndex, <span class="keyword">const</span> XMLCh* targetURI,
00149 <span class="keyword">const</span> XMLCh* targetType, <span class="keyword">const</span> <a class="code" href="classDynamicContext.html">DynamicContext</a>* context) <span class="keyword">const</span>;
00150
00151 <span class="keyword">const</span> XMLCh *asDecimalString(<span class="keywordtype">int</span> significantDigits, <span class="keyword">const</span> <a class="code" href="classStaticContext.html">StaticContext</a>* context) <span class="keyword">const</span>;
00152 <span class="keyword">const</span> XMLCh *asDoubleString(<span class="keywordtype">int</span> significantDigits, <span class="keyword">const</span> <a class="code" href="classStaticContext.html">StaticContext</a>* context) <span class="keyword">const</span>;
00153
00154 };
00155
00156 <span class="preprocessor">#endif // __NUMERIC_HPP</span>
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