diff options
Diffstat (limited to 'lib/msun/src/math_private.h')
| -rw-r--r-- | lib/msun/src/math_private.h | 45 |
1 files changed, 33 insertions, 12 deletions
diff --git a/lib/msun/src/math_private.h b/lib/msun/src/math_private.h index 46d65cc..49553db 100644 --- a/lib/msun/src/math_private.h +++ b/lib/msun/src/math_private.h @@ -190,6 +190,27 @@ do { \ void _scan_nan(uint32_t *__words, int __num_words, const char *__s); #ifdef _COMPLEX_H + +/* + * C99 specifies that complex numbers have the same representation as + * an array of two elements, where the first element is the real part + * and the second element is the imaginary part. + */ +typedef union { + float complex f; + float a[2]; +} float_complex; +typedef union { + double complex f; + double a[2]; +} double_complex; +typedef union { + long double complex f; + long double a[2]; +} long_double_complex; +#define REALPART(z) ((z).a[0]) +#define IMAGPART(z) ((z).a[1]) + /* * Inline functions that can be used to construct complex values. * @@ -203,31 +224,31 @@ void _scan_nan(uint32_t *__words, int __num_words, const char *__s); static __inline float complex cpackf(float x, float y) { - float complex z; + float_complex z; - __real__ z = x; - __imag__ z = y; - return (z); + REALPART(z) = x; + IMAGPART(z) = y; + return (z.f); } static __inline double complex cpack(double x, double y) { - double complex z; + double_complex z; - __real__ z = x; - __imag__ z = y; - return (z); + REALPART(z) = x; + IMAGPART(z) = y; + return (z.f); } static __inline long double complex cpackl(long double x, long double y) { - long double complex z; + long_double_complex z; - __real__ z = x; - __imag__ z = y; - return (z); + REALPART(z) = x; + IMAGPART(z) = y; + return (z.f); } #endif /* _COMPLEX_H */ |
