source: asp3_tinet_ecnl_arm/trunk/musl-1.1.18/src/math/nearbyint.c@ 352

Last change on this file since 352 was 352, checked in by coas-nagasima, 6 years ago

arm向けASP3版ECNLを追加
  • Property svn:eol-style set to native
  • Property svn:mime-type set to text/x-csrc;charset=UTF-8
File size: 332 bytes
Line 
1#include <fenv.h>
2#include <math.h>
3
4/* nearbyint is the same as rint, but it must not raise the inexact exception */
5
6double nearbyint(double x)
7{
8#ifdef FE_INEXACT
9 #pragma STDC FENV_ACCESS ON
10 int e;
11
12 e = fetestexcept(FE_INEXACT);
13#endif
14 x = rint(x);
15#ifdef FE_INEXACT
16 if (!e)
17 feclearexcept(FE_INEXACT);
18#endif
19 return x;
20}
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