aboutsummaryrefslogtreecommitdiff
path: root/sysdeps/powerpc/mathbits.h
diff options
context:
space:
mode:
Diffstat (limited to 'sysdeps/powerpc/mathbits.h')
-rw-r--r--sysdeps/powerpc/mathbits.h72
1 files changed, 72 insertions, 0 deletions
diff --git a/sysdeps/powerpc/mathbits.h b/sysdeps/powerpc/mathbits.h
new file mode 100644
index 0000000..2cecb6f
--- /dev/null
+++ b/sysdeps/powerpc/mathbits.h
@@ -0,0 +1,72 @@
+/* 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 _MATHBITS_H
+#define _MATHBITS_H 1
+
+/* 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! */
+
+#ifdef __GNUC__
+#if __STDC__ == 1
+
+/* In GNU or ANSI mode, gcc leaves `float' expressions as-is, I think. */
+typedef float float_t; /* `float' expressions are evaluated as
+ `float'. */
+typedef double double_t; /* `double' expressions are evaluated as
+ `double'. */
+
+/* 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; /* `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_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
+
+#endif /* mathbits.h */