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| /* Copyright (C) 1998 DJ Delorie, see COPYING.DJ for details */ |
| #ifndef __dj_include_ieeefp_h_ |
| #define __dj_include_ieeefp_h_ |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| #include <sys/cdefs.h> |
| |
| /* #include <machine/ieeefp.h> */ |
| #include <machine/endian.h> |
| #if BYTE_ORDER == LITTLE_ENDIAN |
| # define __IEEE_LITTLE_ENDIAN |
| #endif |
| |
| /* FLOATING ROUNDING */ |
| |
| typedef int fp_rnd; |
| #define FP_RN 0 /* Round to nearest */ |
| #define FP_RM 1 /* Round down */ |
| #define FP_RP 2 /* Round up */ |
| #define FP_RZ 3 /* Round to zero (truncate) */ |
| |
| fp_rnd _EXFUN(fpgetround,(void)); |
| fp_rnd _EXFUN(fpsetround, (fp_rnd)); |
| |
| /* EXCEPTIONS */ |
| |
| typedef int fp_except; |
| #define FP_X_INV 0x10 /* Invalid operation */ |
| #define FP_X_DX 0x80 /* Divide by zero */ |
| #define FP_X_OFL 0x04 /* Overflow exception */ |
| #define FP_X_UFL 0x02 /* Underflow exception */ |
| #define FP_X_IMP 0x01 /* Imprecise exception */ |
| |
| fp_except _EXFUN(fpgetmask,(void)); |
| fp_except _EXFUN(fpsetmask,(fp_except)); |
| fp_except _EXFUN(fpgetsticky,(void)); |
| fp_except _EXFUN(fpsetsticky, (fp_except)); |
| |
| /* INTEGER ROUNDING */ |
| |
| typedef int fp_rdi; |
| #define FP_RDI_TOZ 0 /* Round to Zero */ |
| #define FP_RDI_RD 1 /* Follow float mode */ |
| |
| fp_rdi _EXFUN(fpgetroundtoi,(void)); |
| fp_rdi _EXFUN(fpsetroundtoi,(fp_rdi)); |
| |
| int _EXFUN(isnan, (double)); |
| int _EXFUN(isinf, (double)); |
| int _EXFUN(finite, (double)); |
| |
| int _EXFUN(isnanf, (float)); |
| int _EXFUN(isinff, (float)); |
| int _EXFUN(finitef, (float)); |
| |
| #define __IEEE_DBL_EXPBIAS 1023 |
| #define __IEEE_FLT_EXPBIAS 127 |
| |
| #define __IEEE_DBL_EXPLEN 11 |
| #define __IEEE_FLT_EXPLEN 8 |
| |
| |
| #define __IEEE_DBL_FRACLEN (64 - (__IEEE_DBL_EXPLEN + 1)) |
| #define __IEEE_FLT_FRACLEN (32 - (__IEEE_FLT_EXPLEN + 1)) |
| |
| #define __IEEE_DBL_MAXPOWTWO ((double)(1L << 32 - 2) * (1L << (32-11) - 32 + 1)) |
| #define __IEEE_FLT_MAXPOWTWO ((float)(1L << (32-8) - 1)) |
| |
| #define __IEEE_DBL_NAN_EXP 0x7ff |
| #define __IEEE_FLT_NAN_EXP 0xff |
| |
| |
| #define isnanf(x) (((*(long *)&(x) & 0x7f800000L)==0x7f800000L) && \ |
| ((*(long *)&(x) & 0x007fffffL)!=0000000000L)) |
| |
| #define isinff(x) (((*(long *)&(x) & 0x7f800000L)==0x7f800000L) && \ |
| ((*(long *)&(x) & 0x007fffffL)==0000000000L)) |
| |
| #define finitef(x) (((*(long *)&(x) & 0x7f800000L)!=0x7f800000L)) |
| |
| #ifdef __cplusplus |
| } |
| #endif |
| |
| #endif /* __dj_include_ieeefp_h_ */ |
| Property changes: |
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| Added: svn:executable |
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| +* |
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| \ No newline at end of property |
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