44 lines
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44 lines
20 KiB
HTML
<html><head><meta http-equiv="X-UA-Compatible" content="IE=edge" /><link rel="shortcut icon" href="../icons/favicon.ico" /><link rel="stylesheet" type="text/css" href="../styles/branding.css" /><link rel="stylesheet" type="text/css" href="../styles/branding-en-US.css" /><script type="text/javascript" src="../scripts/branding.js"> </script><meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /><title>mpf_t Class</title><meta name="Language" content="en-us" /><meta name="System.Keywords" content="mpf_t class" /><meta name="System.Keywords" content="Math.Gmp.Native.mpf_t class" /><meta name="System.Keywords" content="mpf_t class, about mpf_t class" /><meta name="Microsoft.Help.F1" content="Math.Gmp.Native.mpf_t" /><meta name="Microsoft.Help.Id" content="T:Math.Gmp.Native.mpf_t" /><meta name="Description" content="Represents a multiple precision floating-point number." /><meta name="Microsoft.Help.ContentType" content="Reference" /><meta name="BrandingAware" content="true" /><meta name="container" content="Math.Gmp.Native" /><meta name="file" content="37c88d6c-8d02-2330-ad77-f20fb73d1677" /><meta name="guid" content="37c88d6c-8d02-2330-ad77-f20fb73d1677" /><link rel="stylesheet" type="text/css" href="../styles/branding-Website.css" /><script type="text/javascript" src="../scripts/jquery-1.11.0.min.js"></script><script type="text/javascript" src="../scripts/branding-Website.js"></script><script type="text/javascript" src="../scripts/clipboard.min.js"></script></head><body onload="OnLoad('cs')"><input type="hidden" id="userDataCache" class="userDataStyle" /><div class="pageHeader" id="PageHeader">GMP Native Interface for .NET<form id="SearchForm" method="get" action="#" onsubmit="javascript:TransferToSearchPage(); return false;"><input id="SearchTextBox" type="text" maxlength="200" /><button id="SearchButton" type="submit"></button></form></div><div class="pageBody"><div class="leftNav" id="leftNav"><div id="tocNav"><div class="toclevel0" data-toclevel="0"><a class="tocCollapsed" onclick="javascript: Toggle(this);" href="#!" /><a data-tochassubtree="true" href="846f5c8a-6cba-433e-9f18-cde2ff5695cd.htm" title="GMP Native Interface for .NET" tocid="roottoc">GMP Native Interface for .NET</a></div><div class="toclevel0" data-toclevel="0"><a class="tocCollapsed" onclick="javascript: Toggle(this);" href="#!" /><a data-tochassubtree="true" href="d9c51b9f-0c54-770b-28ea-6eebd8fef368.htm" title="Math.Gmp.Native" tocid="d9c51b9f-0c54-770b-28ea-6eebd8fef368">Math.Gmp.Native</a></div><div class="toclevel1 current" data-toclevel="1" data-childrenloaded="true"><a class="tocExpanded" onclick="javascript: Toggle(this);" href="#!" /><a data-tochassubtree="true" href="37c88d6c-8d02-2330-ad77-f20fb73d1677.htm" title="mpf_t Class" tocid="37c88d6c-8d02-2330-ad77-f20fb73d1677">mpf_t Class</a></div><div class="toclevel2" data-toclevel="2"><a data-tochassubtree="false" href="0e0a10d5-52ab-1821-6fe1-97514e009418.htm" title="mpf_t Constructor " tocid="0e0a10d5-52ab-1821-6fe1-97514e009418">mpf_t Constructor </a></div><div class="toclevel2" data-toclevel="2"><a class="tocCollapsed" onclick="javascript: Toggle(this);" href="#!" /><a data-tochassubtree="true" href="44d8440b-0daa-0393-510e-a0ace6d299f7.htm" title="mpf_t Properties" tocid="44d8440b-0daa-0393-510e-a0ace6d299f7">mpf_t Properties</a></div><div class="toclevel2" data-toclevel="2"><a class="tocCollapsed" onclick="javascript: Toggle(this);" href="#!" /><a data-tochassubtree="true" href="2583789b-09c3-0f9a-fbf9-4d362bd9129a.htm" title="mpf_t Methods" tocid="2583789b-09c3-0f9a-fbf9-4d362bd9129a">mpf_t Methods</a></div><div class="toclevel2" data-toclevel="2"><a class="tocCollapsed" onclick="javascript: Toggle(this);" href="#!" /><a data-tochassubtree="true" href="3ca44c9f-677e-d5fa-5414-399843506633.htm" title="mpf_t Type Conversions" tocid="3ca44c9f-677e-d5fa-5414-399843506633">mpf_t Type Conversions</a></div><div class="toclevel2" data-toclevel="2"><a data-tochassubtree="false" href="373cd52b-c12c-bae1-1a8c-b7627903d709.htm" title="mpf_t Fields" tocid="373cd52b-c12c-bae1-1a8c-b7627903d709">mpf_t Fields</a></div></div><div id="tocResizableEW" onmousedown="OnMouseDown(event);"></div><div id="TocResize" class="tocResize"><img id="ResizeImageIncrease" src="../icons/TocOpen.gif" onclick="OnIncreaseToc()" alt="Click or drag to resize" title="Click or drag to resize" /><img id="ResizeImageReset" src="../icons/TocClose.gif" style="display:none" onclick="OnResetToc()" alt="Click or drag to resize" title="Click or drag to resize" /></div></div><div class="topicContent" id="TopicContent"><table class="titleTable"><tr><td class="titleColumn">mpf_t Class</td></tr></table><span class="introStyle"></span> <div class="summary">
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Represents a multiple precision floating-point number.
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</div><div class="collapsibleAreaRegion"><span class="collapsibleRegionTitle" onclick="SectionExpandCollapse('ID0RB')" onkeypress="SectionExpandCollapse_CheckKey('ID0RB', event)" tabindex="0"><img id="ID0RBToggle" class="collapseToggle" src="../icons/SectionExpanded.png" />Inheritance Hierarchy</span></div><div id="ID0RBSection" class="collapsibleSection"><a href="http://msdn2.microsoft.com/en-us/library/e5kfa45b" target="_blank">System<span id="LST9BA7085B_0"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST9BA7085B_0?cs=.|vb=.|cpp=::|nu=.|fs=.");</script>Object</a><br /> <a href="8f3c572b-8133-bccc-b838-9d22e3467898.htm">Math.Gmp.Native<span id="LST9BA7085B_1"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST9BA7085B_1?cs=.|vb=.|cpp=::|nu=.|fs=.");</script>mp_base</a><br /> <span class="selflink">Math.Gmp.Native<span id="LST9BA7085B_2"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST9BA7085B_2?cs=.|vb=.|cpp=::|nu=.|fs=.");</script>mpf_t</span><br /></div><p> </p>
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<strong>Namespace:</strong>
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<a href="d9c51b9f-0c54-770b-28ea-6eebd8fef368.htm">Math.Gmp.Native</a><br />
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<strong>Assembly:</strong>
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Math.Gmp.Native (in Math.Gmp.Native.dll) Version: 1.0.0.0 (1.0.0.0)<div class="collapsibleAreaRegion"><span class="collapsibleRegionTitle" onclick="SectionExpandCollapse('ID2RB')" onkeypress="SectionExpandCollapse_CheckKey('ID2RB', event)" tabindex="0"><img id="ID2RBToggle" class="collapseToggle" src="../icons/SectionExpanded.png" />Syntax</span></div><div id="ID2RBSection" class="collapsibleSection"><div class="codeSnippetContainer"><div class="codeSnippetContainerTabs"><div id="ID1EDCA_tab1" class="codeSnippetContainerTab"><a href="#" onclick="javascript:ChangeTab('ID1EDCA','cs','1','4');return false;">C#</a></div><div id="ID1EDCA_tab2" class="codeSnippetContainerTab"><a href="#" onclick="javascript:ChangeTab('ID1EDCA','vb','2','4');return false;">VB</a></div><div id="ID1EDCA_tab3" class="codeSnippetContainerTab"><a href="#" onclick="javascript:ChangeTab('ID1EDCA','cpp','3','4');return false;">C++</a></div><div id="ID1EDCA_tab4" class="codeSnippetContainerTab"><a href="#" onclick="javascript:ChangeTab('ID1EDCA','fs','4','4');return false;">F#</a></div></div><div class="codeSnippetContainerCodeContainer"><div class="codeSnippetToolBar"><div class="codeSnippetToolBarText"><a id="ID1EDCA_copyCode" href="#" class="copyCodeSnippet" onclick="javascript:CopyToClipboard('ID1EDCA');return false;" title="Copy">Copy</a></div></div><div id="ID1EDCA_code_Div1" class="codeSnippetContainerCode" style="display: block"><pre xml:space="preserve"><span class="keyword">public</span> <span class="keyword">class</span> <span class="identifier">mpf_t</span> : <span class="identifier">mp_base</span></pre></div><div id="ID1EDCA_code_Div2" class="codeSnippetContainerCode" style="display: none"><pre xml:space="preserve"><span class="keyword">Public</span> <span class="keyword">Class</span> <span class="identifier">mpf_t</span>
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<span class="keyword">Inherits</span> <span class="identifier">mp_base</span></pre></div><div id="ID1EDCA_code_Div3" class="codeSnippetContainerCode" style="display: none"><pre xml:space="preserve"><span class="keyword">public</span> <span class="keyword">ref class</span> <span class="identifier">mpf_t</span> : <span class="keyword">public</span> <span class="identifier">mp_base</span></pre></div><div id="ID1EDCA_code_Div4" class="codeSnippetContainerCode" style="display: none"><pre xml:space="preserve"><span class="keyword">type</span> <span class="identifier">mpf_t</span> =
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<span class="keyword">class</span>
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<span class="keyword">inherit</span> <span class="identifier">mp_base</span>
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<span class="keyword">end</span></pre></div></div></div><script type="text/javascript">AddLanguageTabSet("ID1EDCA");</script></div><p>The <span class="selflink">mpf_t</span> type exposes the following members.</p><div class="collapsibleAreaRegion"><span class="collapsibleRegionTitle" onclick="SectionExpandCollapse('ID3RB')" onkeypress="SectionExpandCollapse_CheckKey('ID3RB', event)" tabindex="0"><img id="ID3RBToggle" class="collapseToggle" src="../icons/SectionExpanded.png" />Constructors</span></div><div id="ID3RBSection" class="collapsibleSection"><table class="members" id="constructorList"><tr><th class="iconColumn">
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</th><th>Name</th><th>Description</th></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" alt="Public method" title="Public method" /></td><td><a href="0e0a10d5-52ab-1821-6fe1-97514e009418.htm">mpf_t</a></td><td><div class="summary">Initializes a new instance of the <span class="selflink">mpf_t</span> class</div></td></tr></table><a href="#PageHeader">Top</a></div><div class="collapsibleAreaRegion"><span class="collapsibleRegionTitle" onclick="SectionExpandCollapse('ID4RB')" onkeypress="SectionExpandCollapse_CheckKey('ID4RB', event)" tabindex="0"><img id="ID4RBToggle" class="collapseToggle" src="../icons/SectionExpanded.png" />Properties</span></div><div id="ID4RBSection" class="collapsibleSection"><table class="members" id="propertyList"><tr><th class="iconColumn">
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</th><th>Name</th><th>Description</th></tr><tr data="public;inherited;notNetfw;"><td><img src="../icons/pubproperty.gif" alt="Public property" title="Public property" /></td><td><a href="db55f1a9-cd4c-b7e9-c831-4391c0497ef7.htm">_mp_d</a></td><td><div class="summary">
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A pointer to an array of limbs which is the magnitude.
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</div> (Inherited from <a href="8f3c572b-8133-bccc-b838-9d22e3467898.htm">mp_base</a>.)</td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubproperty.gif" alt="Public property" title="Public property" /></td><td><a href="39182adf-3ed6-8c68-c2e7-05a9bfcef6ab.htm">_mp_d_intptr</a></td><td><div class="summary">
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Gets or sets the pointer to the significand array of limbs of the floating-point number.
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</div> (Overrides <a href="01baafdb-caf3-5653-428f-0ba9c42c3a9a.htm">mp_base<span id="LST9BA7085B_3"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST9BA7085B_3?cs=.|vb=.|cpp=::|nu=.|fs=.");</script>_mp_d_intptr</a>.)</td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubproperty.gif" alt="Public property" title="Public property" /></td><td><a href="f63ee104-afaa-e0b8-ff39-f60b9a934ea3.htm">_mp_exp</a></td><td><div class="summary">
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The exponent, in limbs, determining the location of the implied radix point.
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</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubproperty.gif" alt="Public property" title="Public property" /></td><td><a href="772c3bd8-b9ec-225d-3d98-e17ae89d4294.htm">_mp_prec</a></td><td><div class="summary">
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The precision of the mantissa, in limbs.
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</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubproperty.gif" alt="Public property" title="Public property" /></td><td><a href="9aa3bb30-32b3-b465-af05-9b048bb610f1.htm">_mp_size</a></td><td><div class="summary">
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The number of limbs currently in use, or the negative of that when representing a negative value.
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</div> (Overrides <a href="178d8d44-2485-2972-fe2f-eb9848059e6f.htm">mp_base<span id="LST9BA7085B_4"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST9BA7085B_4?cs=.|vb=.|cpp=::|nu=.|fs=.");</script>_mp_size</a>.)</td></tr></table><a href="#PageHeader">Top</a></div><div class="collapsibleAreaRegion"><span class="collapsibleRegionTitle" onclick="SectionExpandCollapse('ID5RB')" onkeypress="SectionExpandCollapse_CheckKey('ID5RB', event)" tabindex="0"><img id="ID5RBToggle" class="collapseToggle" src="../icons/SectionExpanded.png" />Methods</span></div><div id="ID5RBSection" class="collapsibleSection"><table class="members" id="methodList"><tr><th class="iconColumn">
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</th><th>Name</th><th>Description</th></tr><tr data="public;inherited;notNetfw;"><td><img src="../icons/pubmethod.gif" alt="Public method" title="Public method" /></td><td><a href="http://msdn2.microsoft.com/en-us/library/bsc2ak47" target="_blank">Equals</a></td><td><div class="summary">Determines whether the specified <a href="http://msdn2.microsoft.com/en-us/library/e5kfa45b" target="_blank">Object</a> is equal to the current <a href="http://msdn2.microsoft.com/en-us/library/e5kfa45b" target="_blank">Object</a>.</div> (Inherited from <a href="http://msdn2.microsoft.com/en-us/library/e5kfa45b" target="_blank">Object</a>.)</td></tr><tr data="protected;inherited;notNetfw;"><td><img src="../icons/protmethod.gif" alt="Protected method" title="Protected method" /></td><td><a href="http://msdn2.microsoft.com/en-us/library/4k87zsw7" target="_blank">Finalize</a></td><td><div class="summary">Allows an object to try to free resources and perform other cleanup operations before it is reclaimed by garbage collection.</div> (Inherited from <a href="http://msdn2.microsoft.com/en-us/library/e5kfa45b" target="_blank">Object</a>.)</td></tr><tr data="public;inherited;notNetfw;"><td><img src="../icons/pubmethod.gif" alt="Public method" title="Public method" /></td><td><a href="http://msdn2.microsoft.com/en-us/library/zdee4b3y" target="_blank">GetHashCode</a></td><td><div class="summary">Serves as a hash function for a particular type. </div> (Inherited from <a href="http://msdn2.microsoft.com/en-us/library/e5kfa45b" target="_blank">Object</a>.)</td></tr><tr data="public;inherited;notNetfw;"><td><img src="../icons/pubmethod.gif" alt="Public method" title="Public method" /></td><td><a href="http://msdn2.microsoft.com/en-us/library/dfwy45w9" target="_blank">GetType</a></td><td><div class="summary">Gets the <a href="http://msdn2.microsoft.com/en-us/library/42892f65" target="_blank">Type</a> of the current instance.</div> (Inherited from <a href="http://msdn2.microsoft.com/en-us/library/e5kfa45b" target="_blank">Object</a>.)</td></tr><tr data="protected;inherited;notNetfw;"><td><img src="../icons/protmethod.gif" alt="Protected method" title="Protected method" /></td><td><a href="http://msdn2.microsoft.com/en-us/library/57ctke0a" target="_blank">MemberwiseClone</a></td><td><div class="summary">Creates a shallow copy of the current <a href="http://msdn2.microsoft.com/en-us/library/e5kfa45b" target="_blank">Object</a>.</div> (Inherited from <a href="http://msdn2.microsoft.com/en-us/library/e5kfa45b" target="_blank">Object</a>.)</td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" alt="Public method" title="Public method" /></td><td><a href="b77413f7-f862-7996-838a-f510fc3f69ed.htm">ToIntPtr</a></td><td><div class="summary">
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Gets the unmanaged memory pointer of the multiple precision floating-point number.
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</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" alt="Public method" title="Public method" /></td><td><a href="77eccd6b-888f-b3a8-0800-ead4af162af0.htm">ToString</a></td><td><div class="summary">
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Return the string representation of the float.
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</div> (Overrides <a href="http://msdn2.microsoft.com/en-us/library/7bxwbwt2" target="_blank">Object<span id="LST9BA7085B_5"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST9BA7085B_5?cs=.|vb=.|cpp=::|nu=.|fs=.");</script>ToString<span id="LST9BA7085B_6"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST9BA7085B_6?cs=()|vb=|cpp=()|nu=()|fs=()");</script></a>.)</td></tr></table><a href="#PageHeader">Top</a></div><div class="collapsibleAreaRegion"><span class="collapsibleRegionTitle" onclick="SectionExpandCollapse('ID6RB')" onkeypress="SectionExpandCollapse_CheckKey('ID6RB', event)" tabindex="0"><img id="ID6RBToggle" class="collapseToggle" src="../icons/SectionExpanded.png" />Operators</span></div><div id="ID6RBSection" class="collapsibleSection"><table class="members" id="operatorList"><tr><th class="iconColumn">
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</th><th>Name</th><th>Description</th></tr><tr data="public;static;declared;notNetfw;"><td><img src="../icons/puboperator.gif" alt="Public operator" title="Public operator" /><img src="../icons/static.gif" alt="Static member" title="Static member" /></td><td><a href="058e477a-0126-b073-ee83-77ed89a58351.htm"><span id="LST9BA7085B_7"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST9BA7085B_7?cs=Implicit|vb=Widening|cpp=Implicit|nu=Implicit|fs=Implicit");</script>(String to mpf_t)</a></td><td><div class="summary">
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Converts a <a href="http://msdn2.microsoft.com/en-us/library/s1wwdcbf" target="_blank">string</a> value to an <span class="selflink">mpf_t</span> value.
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</div></td></tr></table><a href="#PageHeader">Top</a></div><div class="collapsibleAreaRegion"><span class="collapsibleRegionTitle" onclick="SectionExpandCollapse('ID7RB')" onkeypress="SectionExpandCollapse_CheckKey('ID7RB', event)" tabindex="0"><img id="ID7RBToggle" class="collapseToggle" src="../icons/SectionExpanded.png" />Fields</span></div><div id="ID7RBSection" class="collapsibleSection"><table class="members" id="fieldList"><tr><th class="iconColumn">
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</th><th>Name</th><th>Description</th></tr><tr data="public;inherited;notNetfw;"><td><img src="../icons/pubfield.gif" alt="Public field" title="Public field" /></td><td><a href="8d76a7b0-6917-c5d0-3b4a-de767fd3ddd4.htm">Pointer</a></td><td><div class="summary">
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Pointer to limbs in unmanaged memory.
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</div> (Inherited from <a href="8f3c572b-8133-bccc-b838-9d22e3467898.htm">mp_base</a>.)</td></tr></table><a href="#PageHeader">Top</a></div><div class="collapsibleAreaRegion"><span class="collapsibleRegionTitle" onclick="SectionExpandCollapse('ID8RB')" onkeypress="SectionExpandCollapse_CheckKey('ID8RB', event)" tabindex="0"><img id="ID8RBToggle" class="collapseToggle" src="../icons/SectionExpanded.png" />Remarks</span></div><div id="ID8RBSection" class="collapsibleSection"><p>
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The floating point functions accept and return exponents in the C type <a href="e6a17880-791f-37d4-4942-cf26ce7d4cbf.htm">mp_exp_t</a>.
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Currently this is usually a long, but on some systems it’s an int for efficiency.
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</p><p>
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In .NET, this is a 32-bit integer.
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</p></div><div class="collapsibleAreaRegion" id="seeAlsoSection"><span class="collapsibleRegionTitle" onclick="SectionExpandCollapse('ID9RB')" onkeypress="SectionExpandCollapse_CheckKey('ID9RB', event)" tabindex="0"><img id="ID9RBToggle" class="collapseToggle" src="../icons/SectionExpanded.png" />See Also</span></div><div id="ID9RBSection" class="collapsibleSection"><h4 class="subHeading">Reference</h4><div class="seeAlsoStyle"><a href="d9c51b9f-0c54-770b-28ea-6eebd8fef368.htm">Math.Gmp.Native Namespace</a></div><div class="seeAlsoStyle"><a href="e6a17880-791f-37d4-4942-cf26ce7d4cbf.htm">mp_exp_t</a></div><div class="seeAlsoStyle"><a href="bf1f694d-f9b2-6413-12e5-ebae603d5b49.htm">mp_limb_t</a></div><div class="seeAlsoStyle"><a href="635f1879-5f85-881e-cca8-3222baf5045a.htm">mpq_t</a></div><div class="seeAlsoStyle"><a href="8beda7fb-bbc4-b56f-fd1f-1459377ecb3b.htm">mpz_t</a></div></div></div></div><div id="pageFooter" class="pageFooter"> </div></body></html> |