diff options
Diffstat (limited to 'sysdeps/libm-ieee754/s_ccoshl.c')
| -rw-r--r-- | sysdeps/libm-ieee754/s_ccoshl.c | 52 |
1 files changed, 21 insertions, 31 deletions
diff --git a/sysdeps/libm-ieee754/s_ccoshl.c b/sysdeps/libm-ieee754/s_ccoshl.c index fd553418b4..5e8c399fb2 100644 --- a/sysdeps/libm-ieee754/s_ccoshl.c +++ b/sysdeps/libm-ieee754/s_ccoshl.c @@ -21,49 +21,47 @@ #include <complex.h> #include <math.h> +#include "math_private.h" + __complex__ long double __ccoshl (__complex__ long double x) { __complex__ long double retval; + int rcls = fpclassify (__real__ x); + int icls = fpclassify (__imag__ x); __real__ x = fabsl (__real__ x); - if (isfinite (__real__ x)) + if (rcls >= FP_ZERO) { - if (isfinite (__imag__ x)) + /* Real part is finite. */ + if (icls >= FP_ZERO) { - long double exp_val = __expl (__real__ x); - long double rec_exp_val = 1.0 / exp_val; + /* Imaginary part is finite. */ + long double cosh_val = __ieee754_coshl (__real__ x); - __real__ retval = (0.5 * (exp_val + rec_exp_val) - * __cosl (__imag__ x)); - __imag__ retval = (0.5 * (exp_val + rec_exp_val) - * __sinl (__imag__ x)); + __real__ retval = cosh_val * __cosl (__imag__ x); + __imag__ retval = cosh_val * __sinl (__imag__ x); } else { - if (__real__ x == 0) - { - __imag__ retval = 0.0; - __real__ retval = __nanl ("") + __nanl (""); - } - else - { - __real__ retval = __nanl (""); - __imag__ retval = __nanl ("") + __nanl (""); - } + __imag__ retval = __real__ x == 0.0 ? 0.0 : __nanl (""); + __real__ retval = __nanl ("") + __nanl (""); } } - else if (__isinfl (__real__ x)) + else if (rcls == FP_INFINITE) { - if (__imag__ x == 0.0) + /* Real part is infinite. */ + if (icls == FP_ZERO) { + /* Imaginary part is 0.0. */ __real__ retval = HUGE_VALL; __imag__ retval = __imag__ x; } - else if (isfinite (__imag__ x)) + else if (icls > FP_ZERO) { + /* Imaginary part is finite. */ __real__ retval = __copysignl (HUGE_VALL, __cosl (__imag__ x)); __imag__ retval = __copysignl (HUGE_VALL, __sinl (__imag__ x)); } @@ -76,16 +74,8 @@ __ccoshl (__complex__ long double x) } else { - if (__imag__ x == 0.0) - { - __real__ retval = __nanl (""); - __imag__ retval = __imag__ x; - } - else - { - __real__ retval = __nanl (""); - __imag__ retval = __nanl (""); - } + __real__ retval = __nanl (""); + __imag__ retval = __imag__ x == 0.0 ? __imag__ x : __nanl (""); } return retval; |