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| author | Daniel Dunbar <daniel@zuster.org> | 2011-11-16 07:33:00 +0000 |
|---|---|---|
| committer | Daniel Dunbar <daniel@zuster.org> | 2011-11-16 07:33:00 +0000 |
| commit | ddf1890a5ed78967997720bc35b05b23b000bcf0 (patch) | |
| tree | 1f82ec419f8662e8184b63855cbbce19a56b128e /compiler-rt/lib/muldc3.c | |
| parent | 3ed7d9ee5a79536d7950b52feeea256aa7278923 (diff) | |
| download | bcm5719-llvm-ddf1890a5ed78967997720bc35b05b23b000bcf0.tar.gz bcm5719-llvm-ddf1890a5ed78967997720bc35b05b23b000bcf0.zip | |
lib: Starting thinning out the dependency on math.h by using compiler builtins
where available.
llvm-svn: 144785
Diffstat (limited to 'compiler-rt/lib/muldc3.c')
| -rw-r--r-- | compiler-rt/lib/muldc3.c | 35 |
1 files changed, 18 insertions, 17 deletions
diff --git a/compiler-rt/lib/muldc3.c b/compiler-rt/lib/muldc3.c index d92ee7af43d..0f3be9eb689 100644 --- a/compiler-rt/lib/muldc3.c +++ b/compiler-rt/lib/muldc3.c @@ -13,6 +13,7 @@ */ #include "int_lib.h" +#include "int_math.h" #include <math.h> /* Returns: the product of a + ib and c + id */ @@ -27,39 +28,39 @@ __muldc3(double __a, double __b, double __c, double __d) double _Complex z; __real__ z = __ac - __bd; __imag__ z = __ad + __bc; - if (isnan(__real__ z) && isnan(__imag__ z)) + if (crt_isnan(__real__ z) && crt_isnan(__imag__ z)) { int __recalc = 0; - if (isinf(__a) || isinf(__b)) + if (crt_isinf(__a) || crt_isinf(__b)) { - __a = copysign(isinf(__a) ? 1 : 0, __a); - __b = copysign(isinf(__b) ? 1 : 0, __b); - if (isnan(__c)) + __a = copysign(crt_isinf(__a) ? 1 : 0, __a); + __b = copysign(crt_isinf(__b) ? 1 : 0, __b); + if (crt_isnan(__c)) __c = copysign(0, __c); - if (isnan(__d)) + if (crt_isnan(__d)) __d = copysign(0, __d); __recalc = 1; } - if (isinf(__c) || isinf(__d)) + if (crt_isinf(__c) || crt_isinf(__d)) { - __c = copysign(isinf(__c) ? 1 : 0, __c); - __d = copysign(isinf(__d) ? 1 : 0, __d); - if (isnan(__a)) + __c = copysign(crt_isinf(__c) ? 1 : 0, __c); + __d = copysign(crt_isinf(__d) ? 1 : 0, __d); + if (crt_isnan(__a)) __a = copysign(0, __a); - if (isnan(__b)) + if (crt_isnan(__b)) __b = copysign(0, __b); __recalc = 1; } - if (!__recalc && (isinf(__ac) || isinf(__bd) || - isinf(__ad) || isinf(__bc))) + if (!__recalc && (crt_isinf(__ac) || crt_isinf(__bd) || + crt_isinf(__ad) || crt_isinf(__bc))) { - if (isnan(__a)) + if (crt_isnan(__a)) __a = copysign(0, __a); - if (isnan(__b)) + if (crt_isnan(__b)) __b = copysign(0, __b); - if (isnan(__c)) + if (crt_isnan(__c)) __c = copysign(0, __c); - if (isnan(__d)) + if (crt_isnan(__d)) __d = copysign(0, __d); __recalc = 1; } |
