diff options
Diffstat (limited to 'lib/muldc3.c')
| -rw-r--r-- | lib/muldc3.c | 57 |
1 files changed, 28 insertions, 29 deletions
diff --git a/lib/muldc3.c b/lib/muldc3.c index 9f9bd2aaa2bb..5f4a6d16ebf0 100644 --- a/lib/muldc3.c +++ b/lib/muldc3.c @@ -13,8 +13,7 @@ */ #include "int_lib.h" -#include <math.h> -#include <complex.h> +#include "int_math.h" /* Returns: the product of a + ib and c + id */ @@ -28,46 +27,46 @@ __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)) - __c = copysign(0, __c); - if (isnan(__d)) - __d = copysign(0, __d); + __a = crt_copysign(crt_isinf(__a) ? 1 : 0, __a); + __b = crt_copysign(crt_isinf(__b) ? 1 : 0, __b); + if (crt_isnan(__c)) + __c = crt_copysign(0, __c); + if (crt_isnan(__d)) + __d = crt_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)) - __a = copysign(0, __a); - if (isnan(__b)) - __b = copysign(0, __b); + __c = crt_copysign(crt_isinf(__c) ? 1 : 0, __c); + __d = crt_copysign(crt_isinf(__d) ? 1 : 0, __d); + if (crt_isnan(__a)) + __a = crt_copysign(0, __a); + if (crt_isnan(__b)) + __b = crt_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)) - __a = copysign(0, __a); - if (isnan(__b)) - __b = copysign(0, __b); - if (isnan(__c)) - __c = copysign(0, __c); - if (isnan(__d)) - __d = copysign(0, __d); + if (crt_isnan(__a)) + __a = crt_copysign(0, __a); + if (crt_isnan(__b)) + __b = crt_copysign(0, __b); + if (crt_isnan(__c)) + __c = crt_copysign(0, __c); + if (crt_isnan(__d)) + __d = crt_copysign(0, __d); __recalc = 1; } if (__recalc) { - __real__ z = INFINITY * (__a * __c - __b * __d); - __imag__ z = INFINITY * (__a * __d + __b * __c); + __real__ z = CRT_INFINITY * (__a * __c - __b * __d); + __imag__ z = CRT_INFINITY * (__a * __d + __b * __c); } } return z; |