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Diffstat (limited to 'sysdeps/i386/fpu/bits/mathdef.h')
| -rw-r--r-- | sysdeps/i386/fpu/bits/mathdef.h | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/sysdeps/i386/fpu/bits/mathdef.h b/sysdeps/i386/fpu/bits/mathdef.h new file mode 100644 index 0000000000..2387a39510 --- /dev/null +++ b/sysdeps/i386/fpu/bits/mathdef.h @@ -0,0 +1,41 @@ +/* Copyright (C) 1997 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + 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_H +# error "Never use <bits/mathdef.h> directly; include <math.h> instead" +#endif + + +/* The ix87 FPUs evaluate all values in the 80 bit floating-point format + which is also available for the user as `long double'. Therefore + we define: */ +typedef long double float_t; /* `float' expressions are evaluated as + `long double'. */ +typedef long double double_t; /* `double' expressions are evaluated as + `long double'. */ + +/* Signal that both types are `long double'. */ +#define FLT_EVAL_METHOD 2 + +/* Define `INFINITY' as value of type `float_t'. */ +#define INFINITY HUGE_VALL + + +/* The values returned by `ilogb' for 0 and NaN respectively. */ +#define FP_ILOGB0 0x80000000 +#define FP_ILOGBNAN 0x80000000 |