From b36a45952cabd4f80235ef1a1bc14ce115c8a7a5 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Henrik=20Grubbstr=C3=B6m=20=28Grubba=29?=
<grubba@grubba.org>
Date: Tue, 28 Mar 2000 21:34:47 +0200
Subject: [PATCH] Improved test for rint().
Rev: src/configure.in:1.359
---
src/configure.in | 38 +++++++++++++++++++++++++++++++++++++-
1 file changed, 37 insertions(+), 1 deletion(-)
diff --git a/src/configure.in b/src/configure.in
index a10f5f0be4..931d8b7965 100644
--- a/src/configure.in
+++ b/src/configure.in
@@ -1,4 +1,4 @@
-AC_REVISION("$Id: configure.in,v 1.358 2000/03/28 08:10:53 hubbe Exp $")
+AC_REVISION("$Id: configure.in,v 1.359 2000/03/28 19:34:47 grubba Exp $")
AC_INIT(interpret.c)
AC_CONFIG_HEADER(machine.h)
@@ -2191,6 +2191,28 @@ int main()
}
]);
########################################################################
+MY_CHECK_FUNCTION(fpsetround,
+[
+#include <math.h>
+#ifdef HAVE_FLOATINGPOINT_H
+#include <floatingpoint.h>
+#endif
+
+#ifdef HAVE_IEEEFP_H
+#include <ieeefp.h>
+#endif
+
+#ifndef FP_RN
+#define FP_RN 0
+#endif /* FP_RN */
+
+int main()
+{
+ fpsetround(FP_RN);
+ exit(0);
+}
+]);
+########################################################################
MY_CHECK_FUNCTION(dlopen,
[
@@ -2222,8 +2244,22 @@ int main()
MY_CHECK_FUNCTION(rint,
[
#include <math.h>
+#ifdef HAVE_FLOATINGPOINT_H
+#include <floatingpoint.h>
+#endif
+
+#ifdef HAVE_IEEEFP_H
+#include <ieeefp.h>
+#endif /* HAVE_IEEEFP_H */
int main()
{
+#ifdef HAVE_FPSETROUND
+ /* Round to nearest */
+#ifndef FP_RN
+#define FP_RN 0
+#endif /* FP_RN */
+ fpsetround(FP_RN);
+#endif /* HAVE_FPSETROUND */
if(rint(0.1) != 0.0 ||
rint(0.6) != 1.0) exit(1);
exit(0);
--
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