Difference between revisions of "cpp/numeric/math/fpclassify"
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Revision as of 18:02, 2 August 2011
Template:cpp/numeric/math/sidebar Template:ddcl list begin <tr class="t-dsc-header">
<td>Defined in header
</td>
<cmath>
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<td >int fpclassify( float arg );
</td>
<td class="t-dcl-nopad"> </td> <td > Template:mark c++11 feature </td> </tr> <tr class="t-dcl ">
<td >int fpclassify( double arg );
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<td class="t-dcl-nopad"> </td> <td > Template:mark c++11 feature </td> </tr> <tr class="t-dcl ">
<td >int fpclassify( long double arg );
</td>
<td class="t-dcl-nopad"> </td> <td > Template:mark c++11 feature </td> </tr> Template:ddcl list end
Categorizes floating point value arg into the following categories: zero, subnormal, normal, infinite, NAN, or implementation-defined category.
Parameters
| arg | - | floating point value |
Return value
one of FP_INFINITE, FP_NAN, FP_NORMAL, FP_SUBNORMAL, FP_ZERO or implementation-defined type, specifying the category of arg.
