From: Bruno Haible <bruno@clisp.org>
Date: Mon, 25 Jan 2010 00:59:30 +0000 (+0100)
Subject: Tests for module 'acos'.
X-Git-Tag: v0.1~4709
X-Git-Url: http://erislabs.org.uk/gitweb/?a=commitdiff_plain;h=7b6848f5d984c06ebba83767daf01e3e8da4107e;p=gnulib.git

Tests for module 'acos'.
---

diff --git a/ChangeLog b/ChangeLog
index 89e1a31e9..332f9c2a1 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,11 @@
 2010-01-24  Bruno Haible  <bruno@clisp.org>
 
+	Tests for module 'acos'.
+	* modules/acos-tests: New file.
+	* tests/test-acos.c: New file.
+
+2010-01-24  Bruno Haible  <bruno@clisp.org>
+
 	Fix tests for common <math.h> functions.
 	* m4/mathfunc.m4 (gl_MATHFUNC): Take two additional parameters. Use a
 	code snippet that references the function pointer, rather than merely
diff --git a/modules/acos-tests b/modules/acos-tests
new file mode 100644
index 000000000..93c19d194
--- /dev/null
+++ b/modules/acos-tests
@@ -0,0 +1,13 @@
+Files:
+tests/test-acos.c
+tests/signature.h
+tests/macros.h
+
+Depends-on:
+
+configure.ac:
+
+Makefile.am:
+TESTS += test-acos
+check_PROGRAMS += test-acos
+test_acos_LDADD = $(LDADD) @ACOS_LIBM@
diff --git a/tests/test-acos.c b/tests/test-acos.c
new file mode 100644
index 000000000..6abea73e5
--- /dev/null
+++ b/tests/test-acos.c
@@ -0,0 +1,40 @@
+/* Test of acos() function.
+   Copyright (C) 2010 Free Software Foundation, Inc.
+
+   This program is free software: you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
+
+   This program 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 General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+
+/* Written by Bruno Haible <bruno@clisp.org>, 2010.  */
+
+#include <config.h>
+
+#include <math.h>
+
+#include "signature.h"
+SIGNATURE_CHECK (acos, double, (double));
+
+#include "macros.h"
+
+volatile double x;
+double y;
+
+int
+main ()
+{
+  /* A particular value.  */
+  x = 0.6;
+  y = acos (x);
+  ASSERT (y >= 0.9272952180 && y <= 0.9272952181);
+
+  return 0;
+}