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- Next: <a href="Reentrancy.html#Reentrancy" accesskey="n" rel="next">Reentrancy</a>, Previous: <a href="Complex.html#Complex" accesskey="p" rel="prev">Complex</a>, Up: <a href="index.html#Top" accesskey="u" rel="up">Top</a> [<a href="Document-Index.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="Document-Index.html#Document-Index" title="Index" rel="index">Index</a>]</p>
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- <h2 class="chapter">3 Floating-Point Environment (<samp>fenv.h</samp>)</h2>
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- <p>This chapter groups the methods used to manipulate the floating-point
- status flags. Floating-point operations modify the floating-point
- status flags to indicate abnormal result information.
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- <p>The implementation of these methods is architecture specific.
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- <tr><td align="left" valign="top">• <a href="feclearexcept.html#feclearexcept" accesskey="1">feclearexcept</a>:</td><td> </td><td align="left" valign="top">Clear floating-point exception
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- <tr><td align="left" valign="top">• <a href="fegetenv.html#fegetenv" accesskey="2">fegetenv</a>:</td><td> </td><td align="left" valign="top">Get current floating-point environment
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- <tr><td align="left" valign="top">• <a href="fegetexceptflag.html#fegetexceptflag" accesskey="3">fegetexceptflag</a>:</td><td> </td><td align="left" valign="top">Get floating-point status flags
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- <tr><td align="left" valign="top">• <a href="fegetround.html#fegetround" accesskey="4">fegetround</a>:</td><td> </td><td align="left" valign="top">Get current rounding direction
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- <tr><td align="left" valign="top">• <a href="feholdexcept.html#feholdexcept" accesskey="5">feholdexcept</a>:</td><td> </td><td align="left" valign="top">Save current floating-point environment
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- <tr><td align="left" valign="top">• <a href="feraiseexcept.html#feraiseexcept" accesskey="6">feraiseexcept</a>:</td><td> </td><td align="left" valign="top">Raise floating-point exception
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- <tr><td align="left" valign="top">• <a href="fesetenv.html#fesetenv" accesskey="7">fesetenv</a>:</td><td> </td><td align="left" valign="top">Set current floating-point environment
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- <tr><td align="left" valign="top">• <a href="fesetexceptflag.html#fesetexceptflag" accesskey="8">fesetexceptflag</a>:</td><td> </td><td align="left" valign="top">Set floating-point status flags
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- <tr><td align="left" valign="top">• <a href="fesetround.html#fesetround" accesskey="9">fesetround</a>:</td><td> </td><td align="left" valign="top">Set current rounding direction
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- <tr><td align="left" valign="top">• <a href="fetestexcept.html#fetestexcept">fetestexcept</a>:</td><td> </td><td align="left" valign="top">Test floating-point exception flags
- </td></tr>
- <tr><td align="left" valign="top">• <a href="feupdateenv.html#feupdateenv">feupdateenv</a>:</td><td> </td><td align="left" valign="top">Update current floating-point environment
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