fenv support for ppc, untested
based on code sent to the mailing list by nsz, with minor changes.
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2 changed files with 148 additions and 7 deletions
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@ -1,10 +1,31 @@
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#define FE_ALL_EXCEPT 0
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#define FE_TONEAREST 0
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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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typedef unsigned long fexcept_t;
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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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typedef struct {
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unsigned long __cw;
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} fenv_t;
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#define FE_ALL_EXCEPT 0x3e000000
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#define FE_DFL_ENV ((const fenv_t *) -1)
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#ifdef _GNU_SOURCE
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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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#endif
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typedef unsigned fexcept_t;
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typedef double fenv_t;
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#define FE_DFL_ENV ((fenv_t *)-1)
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