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  53. <a name="feraiseexcept_002d_002d_002draise-floating_002dpoint-exception"></a>
  54. <h3 class="section">3.6 <code>feraiseexcept</code>&mdash;raise floating-point exception</h3>
  55. <a name="index-feraiseexcept"></a>
  56. <p><strong>Synopsis</strong>
  57. </p><div class="example">
  58. <pre class="example">#include &lt;fenv.h&gt;
  59. int feraiseexcept(int <var>excepts</var>);
  60. Link with -lm.
  61. </pre></div>
  62. <p><strong>Description</strong><br>
  63. This method attempts to raise the floating-point exceptions specified
  64. in <var>excepts</var>.
  65. </p>
  66. <br>
  67. <p><strong>Returns</strong><br>
  68. If the <var>excepts</var> argument is zero or all requested exceptions were
  69. successfully raised, this method returns zero. Otherwise, a non-zero
  70. value is returned.
  71. </p>
  72. <br>
  73. <p><strong>Portability</strong><br>
  74. ANSI C requires <code>feraiseexcept</code>.
  75. </p>
  76. <p>Not all Newlib targets have a working implementation. Refer to
  77. the file <code>sys/fenv.h</code> to see the status for your target.
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