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| author | Aurelien Jarno <aurelien@aurel32.net> | 2012-02-19 11:20:18 +0100 |
|---|---|---|
| committer | Aurelien Jarno <aurelien@aurel32.net> | 2012-02-19 11:20:18 +0100 |
| commit | 92221550d72bafcd322ac5ab2a951054184b7f1a (patch) | |
| tree | a48ab236bb1d2c3f29138d04500129fa230ed2e6 /math/w_exp2.c | |
| parent | ebaf36ebd838cec73c00433e7b3d41c9d126fe47 (diff) | |
| download | glibc-92221550d72bafcd322ac5ab2a951054184b7f1a.tar glibc-92221550d72bafcd322ac5ab2a951054184b7f1a.tar.gz glibc-92221550d72bafcd322ac5ab2a951054184b7f1a.tar.bz2 glibc-92221550d72bafcd322ac5ab2a951054184b7f1a.zip | |
Use non-signaling floating-point comparisons in math functions.
Diffstat (limited to 'math/w_exp2.c')
| -rw-r--r-- | math/w_exp2.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/math/w_exp2.c b/math/w_exp2.c index bf223265cb..7a3b0afb74 100644 --- a/math/w_exp2.c +++ b/math/w_exp2.c @@ -12,7 +12,8 @@ static const double u_threshold = (double) (DBL_MIN_EXP - DBL_MANT_DIG - 1); double __exp2 (double x) { - if (__builtin_expect (x <= u_threshold || x > o_threshold, 0) + if (__builtin_expect (islessequal (x, u_threshold) + || isgreater (x, o_threshold), 0) && _LIB_VERSION != _IEEE_ && __finite (x)) /* exp2 overflow: 44, exp2 underflow: 45 */ return __kernel_standard (x, x, 44 + (x <= o_threshold)); |