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Do not raise execptions for exp(NaN).

This commit is contained in:
Andreas Jaeger 2003-12-28 18:57:35 +00:00
parent 6b6557e8b3
commit 3737a0d70c
1 changed files with 2 additions and 2 deletions
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4
sysdeps/ieee754/dbl-64/e_exp.c
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@ -92,10 +92,10 @@ double __ieee754_exp(double x) {
if (n <= smallint) return 1.0;
if (n >= badint) {
if (n > infint) return(zero/zero); /* x is NaN, return invalid */
if (n > infint) return(x+x); /* x is NaN */
if (n < infint) return ( (x>0) ? (hhuge*hhuge) : (tiny*tiny) );
/* x is finite, cause either overflow or underflow */
if (junk1.i[LOW_HALF] != 0) return (zero/zero); /* x is NaN */
if (junk1.i[LOW_HALF] != 0) return (x+x); /* x is NaN */
return ((x>0)?inf.x:zero ); /* |x| = inf; return either inf or 0 */
}