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89 lines
2.6 KiB
C
89 lines
2.6 KiB
C
#ifndef COSMOPOLITAN_LIBC_RUNTIME_FENV_H_
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#define COSMOPOLITAN_LIBC_RUNTIME_FENV_H_
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#ifdef __x86_64__
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#define FE_INVALID 1
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#define __FE_DENORM 2
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#define FE_DIVBYZERO 4
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#define FE_OVERFLOW 8
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#define FE_UNDERFLOW 16
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#define FE_INEXACT 32
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#define FE_ALL_EXCEPT 63
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#define FE_TONEAREST 0x0000
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#define FE_DOWNWARD 0x0400
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#define FE_UPWARD 0x0800
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#define FE_TOWARDZERO 0x0c00
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#define FE_DFL_ENV ((const fenv_t *)-1)
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typedef void *fenv_t;
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typedef uint16_t fexcept_t;
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#elif defined(__aarch64__)
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#define FE_INVALID 1
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#define FE_DIVBYZERO 2
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#define FE_OVERFLOW 4
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#define FE_UNDERFLOW 8
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#define FE_INEXACT 16
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#define FE_ALL_EXCEPT 31
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#define FE_TONEAREST 0
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#define FE_DOWNWARD 0x800000
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#define FE_UPWARD 0x400000
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#define FE_TOWARDZERO 0xc00000
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#define FE_DFL_ENV ((const fenv_t *)-1)
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typedef void *fenv_t;
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typedef uint32_t fexcept_t;
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#elif defined(__powerpc64__)
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#define FE_TONEAREST 0
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#define FE_TOWARDZERO 1
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#define FE_UPWARD 2
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#define FE_DOWNWARD 3
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#define FE_INEXACT 0x02000000
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#define FE_DIVBYZERO 0x04000000
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#define FE_UNDERFLOW 0x08000000
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#define FE_OVERFLOW 0x10000000
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#define FE_INVALID 0x20000000
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#define FE_ALL_EXCEPT 0x3e000000
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#define FE_INVALID_SNAN 0x01000000
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#define FE_INVALID_ISI 0x00800000
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#define FE_INVALID_IDI 0x00400000
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#define FE_INVALID_ZDZ 0x00200000
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#define FE_INVALID_IMZ 0x00100000
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#define FE_INVALID_COMPARE 0x00080000
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#define FE_INVALID_SOFTWARE 0x00000400
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#define FE_INVALID_SQRT 0x00000200
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#define FE_INVALID_INTEGER_CONVERSION 0x00000100
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#define FE_ALL_INVALID 0x01f80700
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#define FE_DFL_ENV ((const fenv_t *)-1)
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typedef unsigned fexcept_t;
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typedef double fenv_t;
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#endif /* __x86_64__ */
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#ifdef __FLT_EVAL_METHOD__
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#define FLT_EVAL_METHOD __FLT_EVAL_METHOD__
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#else
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#define FLT_EVAL_METHOD 0
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#endif
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#if !(__ASSEMBLER__ + __LINKER__ + 0)
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COSMOPOLITAN_C_START_
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#define FLT_ROUNDS (__flt_rounds())
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int feclearexcept(int);
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int fegetenv(fenv_t *);
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int fegetexceptflag(fexcept_t *, int);
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int fegetround(void);
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int feholdexcept(fenv_t *);
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int feraiseexcept(int);
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int fesetenv(const fenv_t *);
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int fesetexceptflag(const fexcept_t *, int);
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int fesetround(int);
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int fetestexcept(int);
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int feupdateenv(const fenv_t *);
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int __flt_rounds(void);
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int __fesetround(int);
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COSMOPOLITAN_C_END_
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#endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */
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#endif /* COSMOPOLITAN_LIBC_RUNTIME_FENV_H_ */
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