Difference between revisions of "cpp/numeric/math/signbit"
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Determines if the given floating point number {{tt|arg}} is negative. | Determines if the given floating point number {{tt|arg}} is negative. | ||
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===Parameters=== | ===Parameters=== | ||
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{{param list end}} | {{param list end}} | ||
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===Return value=== | ===Return value=== | ||
nonzero value if {{tt|arg}} is negative, {{cpp|0}} otherwise | nonzero value if {{tt|arg}} is negative, {{cpp|0}} otherwise | ||
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{{see also}} | {{see also}} | ||
Revision as of 17:59, 2 August 2011
Template:cpp/numeric/math/sidebar Template:ddcl list begin <tr class="t-dsc-header">
<td>Defined in header
</td>
<cmath>
<td></td> <td></td> </tr> <tr class="t-dcl ">
<td >int signbit( float arg );
</td>
<td class="t-dcl-nopad"> </td> <td > Template:mark c++0x feature </td> </tr> <tr class="t-dcl ">
<td >int signbit( double arg );
</td>
<td class="t-dcl-nopad"> </td> <td > Template:mark c++0x feature </td> </tr> <tr class="t-dcl ">
<td >int signbit( long double arg );
</td>
<td class="t-dcl-nopad"> </td> <td > Template:mark c++0x feature </td> </tr> Template:ddcl list end
Determines if the given floating point number arg is negative.
Parameters
| arg | - | floating point value |
Return value
nonzero value if arg is negative, Template:cpp otherwise
