X-Git-Url: http://nsz.repo.hu/git/?p=musl;a=blobdiff_plain;f=include%2Fcomplex.h;h=8206e02679acc6d3a26fea3aedc5e1cf3dc81962;hp=8ee70575cbb0761f42db9900e36f284aff570945;hb=b3175f5c48d414ba792dfb77078dd5f559abd844;hpb=b69f695acedd4ce2798ef9ea28d834ceccc789bd

diff --git a/include/complex.h b/include/complex.h
index 8ee70575..8206e026 100644
--- a/include/complex.h
+++ b/include/complex.h
@@ -6,7 +6,11 @@ extern "C" {
 #endif
 
 #define complex _Complex
+#ifdef __GNUC__
+#define _Complex_I (__extension__ 1.0fi)
+#else
 #define _Complex_I 1.0fi
+#endif
 #define I _Complex_I
 
 double complex cacos(double complex);
@@ -97,6 +101,26 @@ double creal(double complex);
 float crealf(float complex);
 long double creall(long double complex);
 
+#define __CIMAG(x, t) \
+	((union { _Complex t __z; t __xy[2]; }){(_Complex t)(x)}.__xy[1])
+
+#define creal(x) ((double)(x))
+#define crealf(x) ((float)(x))
+#define creall(x) ((long double)(x))
+
+#define cimag(x) __CIMAG(x, double)
+#define cimagf(x) __CIMAG(x, float)
+#define cimagl(x) __CIMAG(x, long double)
+
+#define __CMPLX(x, y, t) \
+	((union { _Complex t __z; t __xy[2]; }){.__xy = {(x),(y)}}.__z)
+
+#if __STDC_VERSION__ >= 201112L
+#define CMPLX(x, y) __CMPLX(x, y, double)
+#define CMPLXF(x, y) __CMPLX(x, y, float)
+#define CMPLXL(x, y) __CMPLX(x, y, long double)
+#endif
+
 #ifdef __cplusplus
 }
 #endif