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diff oct-conf-post.in.h @ 17993:ac9fd5010620

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avoid including gnulib header in installed Octave header file (bug #40607) * oct-conf-post.in.h (OCTAVE_ENSURE_LONG_DOUBLE_OPERATIONS_ARE_NOT_TRUNCATED): New macro. * oct-inttypes.h, oct-inttypes.cc: Don't include fpucw.h from gnulib or the macros it defines. In functions that need to ensure that long double operations are not truncated to double precision, use external functions.
author John W. Eaton <jwe@octave.org>
date Sat, 23 Nov 2013 20:28:46 -0500
parents d63878346099
children 79653c5b6147
line wrap: on
line diff
--- a/oct-conf-post.in.h	Sun Nov 24 04:28:35 2013 +0000
+++ b/oct-conf-post.in.h	Sat Nov 23 20:28:46 2013 -0500
@@ -107,7 +107,11 @@
    them at least 80 bits wide and we need roundl declared in math.h.
    FIXME: Maybe substitute this by a more precise check in the future?  */
 #if (SIZEOF_LONG_DOUBLE >= 10) && defined (HAVE_ROUNDL)
-#define OCTAVE_INT_USE_LONG_DOUBLE
+# define OCTAVE_INT_USE_LONG_DOUBLE
+# if (SIZEOF_LONG_DOUBLE == 10 \
+      && (defined __i386__ || defined __x86_64__) && defined __GNUC__)
+#define OCTAVE_ENSURE_LONG_DOUBLE_OPERATIONS_ARE_NOT_TRUNCATED 1
+# endif
 #endif
 
 #define OCTAVE_EMPTY_CPP_ARG