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authorRich Felker <dalias@aerifal.cx>2014-12-17 16:08:50 -0500
committerRich Felker <dalias@aerifal.cx>2014-12-17 16:08:50 -0500
commita414e8374dfe32f5efd35a49592698f89878de1f (patch)
treea5f143eac19a69410e6df6b7191613f2db096800 /src
parentefa9d396f9d3af6c6f85ec86302b48206c574a38 (diff)
downloadmusl-a414e8374dfe32f5efd35a49592698f89878de1f.tar.gz
provide CMPLX macros in implementation-internal libm.h
this avoids assuming the presence of C11 macro definitions in the public complex.h, which need changes potentially incompatible with the way these macros are being used internally.
Diffstat (limited to 'src')
-rw-r--r--src/internal/libm.h12
1 files changed, 12 insertions, 0 deletions
diff --git a/src/internal/libm.h b/src/internal/libm.h
index ebcd7849..88a7eb47 100644
--- a/src/internal/libm.h
+++ b/src/internal/libm.h
@@ -128,6 +128,18 @@ do { \
(d) = __u.f; \
} while (0)
+#undef __CMPLX
+#undef CMPLX
+#undef CMPLXF
+#undef CMPLXL
+
+#define __CMPLX(x, y, t) \
+ ((union { _Complex t __z; t __xy[2]; }){.__xy = {(x),(y)}}.__z)
+
+#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)
+
/* fdlibm kernel functions */
int __rem_pio2_large(double*,double*,int,int,int);