diff options
Diffstat (limited to 'sysdeps/libm-ieee754/s_cexpf.c')
| -rw-r--r-- | sysdeps/libm-ieee754/s_cexpf.c | 23 |
1 files changed, 16 insertions, 7 deletions
diff --git a/sysdeps/libm-ieee754/s_cexpf.c b/sysdeps/libm-ieee754/s_cexpf.c index c5d8f0cc07..0d4372103b 100644 --- a/sysdeps/libm-ieee754/s_cexpf.c +++ b/sysdeps/libm-ieee754/s_cexpf.c @@ -21,17 +21,23 @@ #include <complex.h> #include <math.h> +#include "math_private.h" + __complex__ float __cexpf (__complex__ float x) { __complex__ float retval; + int rcls = fpclassify (__real__ x); + int icls = fpclassify (__imag__ x); - if (isfinite (__real__ x)) + if (rcls >= FP_ZERO) { - if (isfinite (__imag__ x)) + /* Real part is finite. */ + if (icls >= FP_ZERO) { - float exp_val = __expf (__real__ x); + /* Imaginary part is finite. */ + float exp_val = __ieee754_expf (__real__ x); if (isfinite (exp_val)) { @@ -52,14 +58,17 @@ __cexpf (__complex__ float x) __imag__ retval = __nanf (""); } } - else if (__isinff (__real__ x)) + else if (rcls == FP_INFINITE) { - if (isfinite (__imag__ x)) + /* Real part is infinite. */ + if (icls >= FP_ZERO) { + /* Imaginary part is finite. */ float value = signbit (__real__ x) ? 0.0 : HUGE_VALF; - if (__imag__ x == 0.0) + if (icls == FP_ZERO) { + /* Imaginary part is 0.0. */ __real__ retval = value; __imag__ retval = __imag__ x; } @@ -82,7 +91,7 @@ __cexpf (__complex__ float x) } else { - /* If the real part is NaN the result is NaN + iNan. */ + /* If the real part is NaN the result is NaN + iNaN. */ __real__ retval = __nanf (""); __imag__ retval = __nanf (""); } |