OpenE2K/glibc
2
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

Do not raise execptions for exp(NaN).

Browse Source
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
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
sysdeps/ieee754/dbl-64/e_exp.c
View File

@ -92,10 +92,10 @@ double __ieee754_exp(double x) {
if (n <= smallint) return 1.0; if (n <= smallint) return 1.0;
if (n >= badint) { 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) ); if (n < infint) return ( (x>0) ? (hhuge*hhuge) : (tiny*tiny) );
/* x is finite, cause either overflow or underflow */ /* 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 */ return ((x>0)?inf.x:zero ); /* |x| = inf; return either inf or 0 */
} }