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/* Software floating-point emulation.

   Definitions for IEEE Single Precision.

   Copyright (C) 1997,1998,1999 Free Software Foundation, Inc.

   This file is part of the GNU C Library.

   Contributed by Richard Henderson (rth@cygnus.com),

                  Jakub Jelinek (jj@ultra.linux.cz),

                  David S. Miller (davem@redhat.com) and

                  Peter Maydell (pmaydell@chiark.greenend.org.uk).

   The GNU C Library is free software; you can redistribute it and/or

   modify it under the terms of the GNU Library General Public License as

   published by the Free Software Foundation; either version 2 of the

   License, or (at your option) any later version.

   The GNU C Library is distributed in the hope that it will be useful,

   but WITHOUT ANY WARRANTY; without even the implied warranty of

   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

   Library General Public License for more details.

   You should have received a copy of the GNU Library General Public

   License along with the GNU C Library; see the file COPYING.LIB.  If

   not, write to the Free Software Foundation, Inc.,

   59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */

#ifndef    __MATH_EMU_SINGLE_H__

#define    __MATH_EMU_SINGLE_H__

#if _FP_W_TYPE_SIZE < 32

#error "Here's a nickel kid.  Go buy yourself a real computer."

#endif

#define _FP_FRACBITS_S          24

#define _FP_FRACXBITS_S         (_FP_W_TYPE_SIZE - _FP_FRACBITS_S)

#define _FP_WFRACBITS_S         (_FP_WORKBITS + _FP_FRACBITS_S)

#define _FP_WFRACXBITS_S        (_FP_W_TYPE_SIZE - _FP_WFRACBITS_S)

#define _FP_EXPBITS_S           8

#define _FP_EXPBIAS_S           127

#define _FP_EXPMAX_S            255

#define _FP_QNANBIT_S           ((_FP_W_TYPE)1 << (_FP_FRACBITS_S-2))

#define _FP_IMPLBIT_S           ((_FP_W_TYPE)1 << (_FP_FRACBITS_S-1))

#define _FP_OVERFLOW_S          ((_FP_W_TYPE)1 << (_FP_WFRACBITS_S))

/* The implementation of _FP_MUL_MEAT_S and _FP_DIV_MEAT_S should be

   chosen by the target machine.  */

union _FP_UNION_S

{

  float flt;

  struct {

#if __BYTE_ORDER == __BIG_ENDIAN

    unsigned sign : 1;

    unsigned exp  : _FP_EXPBITS_S;

    unsigned frac : _FP_FRACBITS_S - (_FP_IMPLBIT_S != 0);

#else

    unsigned frac : _FP_FRACBITS_S - (_FP_IMPLBIT_S != 0);

    unsigned exp  : _FP_EXPBITS_S;

    unsigned sign : 1;

#endif

  } bits __attribute__((packed));

};

#define FP_DECL_S(X)            _FP_DECL(1,X)

#define FP_UNPACK_RAW_S(X,val)  _FP_UNPACK_RAW_1(S,X,val)

#define FP_UNPACK_RAW_SP(X,val) _FP_UNPACK_RAW_1_P(S,X,val)

#define FP_PACK_RAW_S(val,X)    _FP_PACK_RAW_1(S,val,X)

#define FP_PACK_RAW_SP(val,X)           \

  do {                                  \

    if (!FP_INHIBIT_RESULTS)            \

      _FP_PACK_RAW_1_P(S,val,X);        \

  } while (0)

#define FP_UNPACK_S(X,val)              \

  do {                                  \

    _FP_UNPACK_RAW_1(S,X,val);          \

    _FP_UNPACK_CANONICAL(S,1,X);        \

  } while (0)

#define FP_UNPACK_SP(X,val)             \

  do {                                  \

    _FP_UNPACK_RAW_1_P(S,X,val);        \

    _FP_UNPACK_CANONICAL(S,1,X);        \

  } while (0)

#define FP_PACK_S(val,X)                \

  do {                                  \

    _FP_PACK_CANONICAL(S,1,X);          \

    _FP_PACK_RAW_1(S,val,X);            \

  } while (0)

#define FP_PACK_SP(val,X)               \

  do {                                  \

    _FP_PACK_CANONICAL(S,1,X);          \

    if (!FP_INHIBIT_RESULTS)            \

      _FP_PACK_RAW_1_P(S,val,X);        \

  } while (0)

#define FP_ISSIGNAN_S(X)                _FP_ISSIGNAN(S,1,X)

#define FP_NEG_S(R,X)                   _FP_NEG(S,1,R,X)

#define FP_ADD_S(R,X,Y)                 _FP_ADD(S,1,R,X,Y)

#define FP_SUB_S(R,X,Y)                 _FP_SUB(S,1,R,X,Y)

#define FP_MUL_S(R,X,Y)                 _FP_MUL(S,1,R,X,Y)

#define FP_DIV_S(R,X,Y)                 _FP_DIV(S,1,R,X,Y)

#define FP_SQRT_S(R,X)                  _FP_SQRT(S,1,R,X)

#define _FP_SQRT_MEAT_S(R,S,T,X,Q)      _FP_SQRT_MEAT_1(R,S,T,X,Q)

#define FP_CMP_S(r,X,Y,un)      _FP_CMP(S,1,r,X,Y,un)

#define FP_CMP_EQ_S(r,X,Y)      _FP_CMP_EQ(S,1,r,X,Y)

#define FP_TO_INT_S(r,X,rsz,rsg)        _FP_TO_INT(S,1,r,X,rsz,rsg)

#define FP_TO_INT_ROUND_S(r,X,rsz,rsg)  _FP_TO_INT_ROUND(S,1,r,X,rsz,rsg)

#define FP_FROM_INT_S(X,r,rs,rt)        _FP_FROM_INT(S,1,X,r,rs,rt)

#define _FP_FRAC_HIGH_S(X)      _FP_FRAC_HIGH_1(X)

#define _FP_FRAC_HIGH_RAW_S(X)  _FP_FRAC_HIGH_1(X)

#endif /* __MATH_EMU_SINGLE_H__ */