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simplify creal and cimag macros

This commit is contained in:
Rich Felker 2012-03-22 20:00:58 -04:00
parent 13e400b355
commit 494ba80e9a
1 changed files with 8 additions and 8 deletions
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16
include/complex.h
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@ -97,16 +97,16 @@ double creal(double complex);
float crealf(float complex);
long double creall(long double complex);
#define __CREALIMAG(x, t, i) \
((union { _Complex t __z; t __xy[2]; }){(_Complex t)(x)}.__xy[i])
#define __CIMAG(x, t) \
((union { _Complex t __z; t __xy[2]; }){(_Complex t)(x)}.__xy[1])
#define creal(x) __CREALIMAG(x, double, 0)
#define crealf(x) __CREALIMAG(x, float, 0)
#define creall(x) __CREALIMAG(x, long double, 0)
#define creal(x) ((double)(x))
#define crealf(x) ((float)(x))
#define creall(x) ((long double)(x))
#define cimag(x) __CREALIMAG(x, double, 1)
#define cimagf(x) __CREALIMAG(x, float, 1)
#define cimagl(x) __CREALIMAG(x, long double, 1)
#define cimag(x) __CIMAG(x, double)
#define cimagf(x) __CIMAG(x, float)
#define cimagl(x) __CIMAG(x, long double)
#ifdef __cplusplus
}