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added macros from musl-1.2.2

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macros taken from musl-1.2.2/src/internal/libm.h
This commit is contained in:
ahgamut 2022-06-15 23:26:12 +05:30
parent eb906e6def
commit 911c8dc41a
1 changed files with 43 additions and 0 deletions
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43
libc/tinymath/complex.internal.h
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@ -3,6 +3,49 @@
#if !(__ASSEMBLER__ + __LINKER__ + 0) #if !(__ASSEMBLER__ + __LINKER__ + 0)
COSMOPOLITAN_C_START_ COSMOPOLITAN_C_START_
#define asuint(f) ((union{float _f; uint32_t _i;}){f})._i
#define asfloat(i) ((union{uint32_t _i; float _f;}){i})._f
#define asuint64(f) ((union{double _f; uint64_t _i;}){f})._i
#define asdouble(i) ((union{uint64_t _i; double _f;}){i})._f
#define EXTRACT_WORDS(hi,lo,d) \
do { \
uint64_t __u = asuint64(d); \
(hi) = __u >> 32; \
(lo) = (uint32_t)__u; \
} while (0)
#define GET_HIGH_WORD(hi,d) \
do { \
(hi) = asuint64(d) >> 32; \
} while (0)
#define GET_LOW_WORD(lo,d) \
do { \
(lo) = (uint32_t)asuint64(d); \
} while (0)
#define INSERT_WORDS(d,hi,lo) \
do { \
(d) = asdouble(((uint64_t)(hi)<<32) | (uint32_t)(lo)); \
} while (0)
#define SET_HIGH_WORD(d,hi) \
INSERT_WORDS(d, hi, (uint32_t)asuint64(d))
#define SET_LOW_WORD(d,lo) \
INSERT_WORDS(d, asuint64(d)>>32, lo)
#define GET_FLOAT_WORD(w,d) \
do { \
(w) = asuint(d); \
} while (0)
#define SET_FLOAT_WORD(d,w) \
do { \
(d) = asfloat(w); \
} while (0)
_Complex double __ldexp_cexp(_Complex double, int) hidden; _Complex double __ldexp_cexp(_Complex double, int) hidden;
_Complex float __ldexp_cexpf(_Complex float, int) hidden; _Complex float __ldexp_cexpf(_Complex float, int) hidden;