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Diffstat (limited to 'sysdeps/alpha/bits/mathdef.h')
| -rw-r--r-- | sysdeps/alpha/bits/mathdef.h | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/sysdeps/alpha/bits/mathdef.h b/sysdeps/alpha/bits/mathdef.h new file mode 100644 index 0000000000..cbfaf68e22 --- /dev/null +++ b/sysdeps/alpha/bits/mathdef.h @@ -0,0 +1,80 @@ +/* Copyright (C) 1997,1998,1999,2000,2003,2004,2006 + 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 Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#if !defined _MATH_H && !defined _COMPLEX_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! */ + +#if defined __USE_ISOC99 && defined _MATH_H && !defined _MATH_H_MATHDEF +# define _MATH_H_MATHDEF 1 + +# ifdef __GNUC__ +# if __STDC__ == 1 + +/* In GNU or ANSI mode, gcc leaves `float' expressions as-is. */ +typedef float float_t; +typedef double double_t; + +# else + +/* For `gcc -traditional', `float' expressions are evaluated as `double'. */ +typedef double float_t; +typedef double double_t; + +# endif +# else + +/* Wild guess at types for float_t and double_t. */ +typedef double float_t; +typedef double double_t; + +# endif + +/* The values returned by `ilogb' for 0 and NaN respectively. */ +# define FP_ILOGB0 (-2147483647) +# define FP_ILOGBNAN (2147483647) + +#endif /* ISO C99 && MATH_H */ + +#if defined _COMPLEX_H && !defined _COMPLEX_H_MATHDEF +# define _COMPLEX_H_MATHDEF 1 +# if defined(__GNUC__) && !__GNUC_PREREQ(3,4) + +/* Due to an ABI change, we need to remap the complex float symbols. */ +# define _Mdouble_ float +# define __MATHCALL(function, args) \ + __MATHDECL (_Complex float, function, args) +# define __MATHDECL(type, function, args) \ + __MATHDECL_1(type, function##f, args, __c1_##function##f); \ + __MATHDECL_1(type, __##function##f, args, __c1_##function##f) +# define __MATHDECL_1(type, function, args, alias) \ + extern type function args __asm__(#alias) __THROW + +# include <bits/cmathcalls.h> + +# undef _Mdouble_ +# undef __MATHCALL +# undef __MATHDECL +# undef __MATHDECL_1 + +# endif /* GNUC before 3.4 */ +#endif /* COMPLEX_H */ |