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# define TGSOURCE "round.c"
#include "_tgmath.h"
#include <math.h>
#include <fenv.h>
#ifndef __GNUC__
#pragma STDC FENV_ACCESS ON
#endif
TYPE TGFN(round)(TYPE x)
{
switch (fpclassify(x)) {
case FP_ZERO: return x;
case FP_INFINITE: return x;
default: break;
}
fenv_t save_env;
feholdexcept(&save_env);
TYPE ret = TGFN(rint)(x);
if (fetestexcept(FE_INEXACT)) {
fesetround(FE_TOWARDZERO);
ret = TGFN(rint)(TGFN(copysign)(0.5 + TGFN(fabs)(x), x));
}
feupdateenv(&save_env);
return ret;
}
/*
STDC(199901)
LINK(m)
*/
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