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| author | wolfbeast <mcwerewolf@wolfbeast.com> | 2019-11-15 14:00:18 +0100 |
|---|---|---|
| committer | wolfbeast <mcwerewolf@wolfbeast.com> | 2019-11-15 14:00:18 +0100 |
| commit | 6ca0b4704367f8804e0373cb439e6e17e5146e4a (patch) | |
| tree | 31ce5042bb575dd1afd6d309467c0c0d36e18914 /modules/fdlibm/src/e_pow.cpp | |
| parent | 85c60f94fb584ecab49743ab533e56f0f9981ecc (diff) | |
| download | UXP-6ca0b4704367f8804e0373cb439e6e17e5146e4a.tar UXP-6ca0b4704367f8804e0373cb439e6e17e5146e4a.tar.gz UXP-6ca0b4704367f8804e0373cb439e6e17e5146e4a.tar.lz UXP-6ca0b4704367f8804e0373cb439e6e17e5146e4a.tar.xz UXP-6ca0b4704367f8804e0373cb439e6e17e5146e4a.zip | |
Issue #1291 - Part 2: Stop using the lib's sqrt() function
Use <cmath>'s functions over fdlibm's for performance reasons.
No significant precision loss when doing this.
Diffstat (limited to 'modules/fdlibm/src/e_pow.cpp')
| -rw-r--r-- | modules/fdlibm/src/e_pow.cpp | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/modules/fdlibm/src/e_pow.cpp b/modules/fdlibm/src/e_pow.cpp index 366e3933b..7f22afce8 100644 --- a/modules/fdlibm/src/e_pow.cpp +++ b/modules/fdlibm/src/e_pow.cpp @@ -57,6 +57,8 @@ * to produce the hexadecimal values shown. */ +#include <cmath> + #include "math_private.h" static const double @@ -152,7 +154,7 @@ __ieee754_pow(double x, double y) if(hy==0x40000000) return x*x; /* y is 2 */ if(hy==0x3fe00000) { /* y is 0.5 */ if(hx>=0) /* x >= +0 */ - return sqrt(x); + return std::sqrt(x); } } |