+++ /dev/null
-#ifndef _IEEE_FP_H_
-#define _IEEE_FP_H_
-
-#include "_ansi.h"
-
-#include <machine/ieeefp.h>
-
-_BEGIN_STD_C
-
-/* FIXME FIXME FIXME:
- Neither of __ieee_{float,double}_shape_tape seem to be used anywhere
- except in libm/test. If that is the case, please delete these from here.
- If that is not the case, please insert documentation here describing why
- they're needed. */
-
-#ifdef __IEEE_BIG_ENDIAN
-
-typedef union
-{
- double value;
- struct
- {
- unsigned int sign : 1;
- unsigned int exponent: 11;
- unsigned int fraction0:4;
- unsigned int fraction1:16;
- unsigned int fraction2:16;
- unsigned int fraction3:16;
-
- } number;
- struct
- {
- unsigned int sign : 1;
- unsigned int exponent: 11;
- unsigned int quiet:1;
- unsigned int function0:3;
- unsigned int function1:16;
- unsigned int function2:16;
- unsigned int function3:16;
- } nan;
- struct
- {
- unsigned long msw;
- unsigned long lsw;
- } parts;
- long aslong[2];
-} __ieee_double_shape_type;
-
-#endif
-
-#ifdef __IEEE_LITTLE_ENDIAN
-
-typedef union
-{
- double value;
- struct
- {
-#ifdef __SMALL_BITFIELDS
- unsigned int fraction3:16;
- unsigned int fraction2:16;
- unsigned int fraction1:16;
- unsigned int fraction0: 4;
-#else
- unsigned int fraction1:32;
- unsigned int fraction0:20;
-#endif
- unsigned int exponent :11;
- unsigned int sign : 1;
- } number;
- struct
- {
-#ifdef __SMALL_BITFIELDS
- unsigned int function3:16;
- unsigned int function2:16;
- unsigned int function1:16;
- unsigned int function0:3;
-#else
- unsigned int function1:32;
- unsigned int function0:19;
-#endif
- unsigned int quiet:1;
- unsigned int exponent: 11;
- unsigned int sign : 1;
- } nan;
- struct
- {
- unsigned long lsw;
- unsigned long msw;
- } parts;
-
- long aslong[2];
-
-} __ieee_double_shape_type;
-
-#endif
-
-#ifdef __IEEE_BIG_ENDIAN
-
-typedef union
-{
- float value;
- struct
- {
- unsigned int sign : 1;
- unsigned int exponent: 8;
- unsigned int fraction0: 7;
- unsigned int fraction1: 16;
- } number;
- struct
- {
- unsigned int sign:1;
- unsigned int exponent:8;
- unsigned int quiet:1;
- unsigned int function0:6;
- unsigned int function1:16;
- } nan;
- long p1;
-
-} __ieee_float_shape_type;
-
-#endif
-
-#ifdef __IEEE_LITTLE_ENDIAN
-
-typedef union
-{
- float value;
- struct
- {
- unsigned int fraction0: 7;
- unsigned int fraction1: 16;
- unsigned int exponent: 8;
- unsigned int sign : 1;
- } number;
- struct
- {
- unsigned int function1:16;
- unsigned int function0:6;
- unsigned int quiet:1;
- unsigned int exponent:8;
- unsigned int sign:1;
- } nan;
- long p1;
-
-} __ieee_float_shape_type;
-
-#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 (trunate) */
-
-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));
-
-#undef isnan
-#undef isinf
-
-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
-
-#ifndef __ieeefp_isnanf
-#define __ieeefp_isnanf(x) (((*(long *)&(x) & 0x7f800000L)==0x7f800000L) && \
- ((*(long *)&(x) & 0x007fffffL)!=0000000000L))
-#endif
-#define isnanf(x) __ieeefp_isnanf(x)
-
-#ifndef __ieeefp_isinff
-#define __ieeefp_isinff(x) (((*(long *)&(x) & 0x7f800000L)==0x7f800000L) && \
- ((*(long *)&(x) & 0x007fffffL)==0000000000L))
-#endif
-#define isinff(x) __ieeefp_isinff(x)
-
-#ifndef __ieeefp_finitef
-#define __ieeefp_finitef(x) (((*(long *)&(x) & 0x7f800000L)!=0x7f800000L))
-#endif
-#define finitef(x) __ieeefp_finitef(x)
-
-#ifdef _DOUBLE_IS_32BITS
-#undef __IEEE_DBL_EXPBIAS
-#define __IEEE_DBL_EXPBIAS __IEEE_FLT_EXPBIAS
-
-#undef __IEEE_DBL_EXPLEN
-#define __IEEE_DBL_EXPLEN __IEEE_FLT_EXPLEN
-
-#undef __IEEE_DBL_FRACLEN
-#define __IEEE_DBL_FRACLEN __IEEE_FLT_FRACLEN
-
-#undef __IEEE_DBL_MAXPOWTWO
-#define __IEEE_DBL_MAXPOWTWO __IEEE_FLT_MAXPOWTWO
-
-#undef __IEEE_DBL_NAN_EXP
-#define __IEEE_DBL_NAN_EXP __IEEE_FLT_NAN_EXP
-
-#undef __ieee_double_shape_type
-#define __ieee_double_shape_type __ieee_float_shape_type
-
-#endif /* _DOUBLE_IS_32BITS */
-
-_END_STD_C
-
-#endif /* _IEEE_FP_H_ */
projects / fw / altos / blobdiff