Sync SH header files with glibc 2.2.4, so it can actually have a chance

(at least in theory) of working.
 -Erik

1 files changed, 44 insertions, 19 deletions

diff --git a/libc/sysdeps/linux/sh/bits/mathdef.h b/libc/sysdeps/linux/sh/bits/mathdef.h
index c5fe7d7e8..64cc79bc2 100644
--- a/libc/sysdeps/linux/sh/bits/mathdef.h
+++ b/libc/sysdeps/linux/sh/bits/mathdef.h
@@ -1,50 +1,75 @@
-/* Copyright (C) 1997, 1998, 1999 Free Software Foundation, Inc.
+/* Copyright (C) 1997, 1998, 1999, 2000 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.
+   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
-   Library General Public License for more details.
+   Lesser 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.  */
+   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
 
-#if defined  __USE_ISOC9X && defined _MATH_H && !defined _MATH_H_MATHDEF
+
+/* FIXME! This file describes properties of the compiler, not the machine;
+   it should not be part of libc!
+
+   FIXME! This file does not deal with the -fshort-double option of
+   gcc! */
+
+#if defined __USE_ISOC99 && defined _MATH_H && !defined _MATH_H_MATHDEF
 # define _MATH_H_MATHDEF	1
 
-/* Normally, there is no long double type and the `float' and `double'
-   expressions are evaluated as `double'.  */
+# ifdef __GNUC__
+#  if __STDC__ == 1
+
+/* In GNU or ANSI mode, gcc leaves `float' expressions as-is.  */
+typedef float float_t;		/* `float' expressions are evaluated as
+				   `float'.  */
+typedef double double_t;	/* `double' expressions are evaluated as
+				   `double'.  */
+
+/* Define `INFINITY' as value of type `float'.  */
+#   define INFINITY	HUGE_VALF
+
+#  else
+
+/* For `gcc -traditional', `float' expressions are evaluated as `double'. */
 typedef double float_t;		/* `float' expressions are evaluated as
 				   `double'.  */
 typedef double double_t;	/* `double' expressions are evaluated as
 				   `double'.  */
 
-/* Signal that both types are `double'.  */
-# define FLT_EVAL_METHOD	1
+/* Define `INFINITY' as value of type `float'.  */
+#   define INFINITY	HUGE_VALF
+
+#  endif
+# else
+
+/* Wild guess at types for float_t and double_t. */
+typedef double float_t;
+typedef double double_t;
 
 /* Define `INFINITY' as value of type `float'.  */
-# define INFINITY	HUGE_VALF
+#  define INFINITY	HUGE_VALF
 
+# endif
 
 /* The values returned by `ilogb' for 0 and NaN respectively.  */
 # define FP_ILOGB0	0x80000001
 # define FP_ILOGBNAN	0x7fffffff
 
-/* Number of decimal digits for the `double' type.  */
-# define DECIMAL_DIG	15
-
-#endif	/* ISO C9X */
+#endif	/* ISO C99 */
 
 #ifndef __NO_LONG_DOUBLE_MATH
 /* Signal that we do not really have a `long double'.  The disables the