Something went wrong. Try again.
Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
Something went wrong. Try again.
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117/* 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__ */