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Diffstat (limited to 'sysdeps/alpha/fpu/bits/mathdef.h')
-rw-r--r-- | sysdeps/alpha/fpu/bits/mathdef.h | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/sysdeps/alpha/fpu/bits/mathdef.h b/sysdeps/alpha/fpu/bits/mathdef.h new file mode 100644 index 0000000000..0bc9c94ecc --- /dev/null +++ b/sysdeps/alpha/fpu/bits/mathdef.h @@ -0,0 +1,64 @@ +/* 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 + +/* FIXME! This file describes properties of the compiler, not the machine; + it should not be part of libc! */ + +#ifdef __GNUC__ +#if __STDC__ == 1 + +/* In GNU or ANSI mode, gcc leaves `float' expressions as-is. */ +typedef float float_t; +typedef double double_t; + +/* Signal that types stay as they were declared. */ +#define FLT_EVAL_METHOD 0 + +/* Define `INFINITY' as value of type `float_t'. */ +#define INFINITY HUGE_VALF + +#else + +/* For `gcc -traditional', `float' expressions are evaluated as `double'. */ +typedef double float_t; +typedef double double_t; + +/* Signal that both types are `double'. */ +#define FLT_EVAL_METHOD 1 + +/* Define `INFINITY' as value of type `float_t'. */ +#define INFINITY HUGE_VAL + +#endif +#else + +/* Wild guess at types for float_t and double_t. */ +typedef double float_t; +typedef double double_t; + +/* Strange compiler, we don't know how it works. */ +#define FLT_EVAL_METHOD -1 + +/* Define `INFINITY' as value of type `float_t'. */ +#define INFINITY HUGE_VAL + +#endif |