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Add clang versions of CMPLX* macros

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This commit is contained in:
Stan Shebs 2018-01-22 16:44:05 -08:00
parent 85d7a988c6
commit 066e928543
1 changed files with 25 additions and 0 deletions
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25
math/complex.h
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@ -52,23 +52,40 @@ __BEGIN_DECLS
#undef I
#define I _Complex_I
#if defined(__clang__)
/* Clang casts types to _Complex instead of using __builtin_complex. */
#define __CMPLX(x, y, t) (+(_Complex t){(t)(x), (t)(y)})
#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)
#else
#if defined __USE_ISOC11 && __GNUC_PREREQ (4, 7)
/* Macros to expand into expression of specified complex type. */
# define CMPLX(x, y) __builtin_complex ((double) (x), (double) (y))
# define CMPLXF(x, y) __builtin_complex ((float) (x), (float) (y))
# define CMPLXL(x, y) __builtin_complex ((long double) (x), (long double) (y))
#endif
#endif /* __clang __ */
#if __HAVE_FLOAT16 && __GLIBC_USE (IEC_60559_TYPES_EXT)
# define CMPLXF16(x, y) __builtin_complex ((_Float16) (x), (_Float16) (y))
#endif
#if __HAVE_FLOAT32 && __GLIBC_USE (IEC_60559_TYPES_EXT)
#if defined(__clang__)
/* The typedef _Float32 does not seem to work here. */
# define CMPLXF32(x, y) __CMPLX(x, y, float)
#else
# define CMPLXF32(x, y) __builtin_complex ((_Float32) (x), (_Float32) (y))
#endif /* __clang __ */
#endif
#if __HAVE_FLOAT64 && __GLIBC_USE (IEC_60559_TYPES_EXT)
#if defined(__clang__)
# define CMPLXF64(x, y) __CMPLX(x, y, double)
#else
# define CMPLXF64(x, y) __builtin_complex ((_Float64) (x), (_Float64) (y))
#endif /* __clang __ */
#endif
#if __HAVE_FLOAT128 && __GLIBC_USE (IEC_60559_TYPES_EXT)
@ -76,11 +93,19 @@ __BEGIN_DECLS
#endif
#if __HAVE_FLOAT32X && __GLIBC_USE (IEC_60559_TYPES_EXT)
#if defined(__clang__)
# define CMPLXF32X(x, y) __CMPLX(x, y, double)
#else
# define CMPLXF32X(x, y) __builtin_complex ((_Float32x) (x), (_Float32x) (y))
#endif
#endif /* __clang __ */
#if __HAVE_FLOAT64X && __GLIBC_USE (IEC_60559_TYPES_EXT)
#if defined(__clang__)
# define CMPLXF64X(x, y) __CMPLX(x, y, long double)
#else
# define CMPLXF64X(x, y) __builtin_complex ((_Float64x) (x), (_Float64x) (y))
#endif /* __clang __ */
#endif
#if __HAVE_FLOAT128X && __GLIBC_USE (IEC_60559_TYPES_EXT)