fenv support for ppc, untested

based on code sent to the mailing list by nsz, with minor changes.
This commit is contained in:
Rich Felker 2012-11-18 16:31:14 -05:00
commit 75c450cff3
2 changed files with 148 additions and 7 deletions

View file

@ -1,10 +1,31 @@
#define FE_ALL_EXCEPT 0
#define FE_TONEAREST 0
#define FE_TONEAREST 0
#define FE_TOWARDZERO 1
#define FE_UPWARD 2
#define FE_DOWNWARD 3
typedef unsigned long fexcept_t;
#define FE_INEXACT 0x02000000
#define FE_DIVBYZERO 0x04000000
#define FE_UNDERFLOW 0x08000000
#define FE_OVERFLOW 0x10000000
#define FE_INVALID 0x20000000
typedef struct {
unsigned long __cw;
} fenv_t;
#define FE_ALL_EXCEPT 0x3e000000
#define FE_DFL_ENV ((const fenv_t *) -1)
#ifdef _GNU_SOURCE
#define FE_INVALID_SNAN 0x01000000
#define FE_INVALID_ISI 0x00800000
#define FE_INVALID_IDI 0x00400000
#define FE_INVALID_ZDZ 0x00200000
#define FE_INVALID_IMZ 0x00100000
#define FE_INVALID_COMPARE 0x00080000
#define FE_INVALID_SOFTWARE 0x00000400
#define FE_INVALID_SQRT 0x00000200
#define FE_INVALID_INTEGER_CONVERSION 0x00000100
#define FE_ALL_INVALID 0x01f80700
#endif
typedef unsigned fexcept_t;
typedef double fenv_t;
#define FE_DFL_ENV ((fenv_t *)-1)