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authordes <des@FreeBSD.org>2003-10-23 08:20:47 +0000
committerdes <des@FreeBSD.org>2003-10-23 08:20:47 +0000
commit0c217c16793d46afb41db6c4cfb6a6cae03f8f37 (patch)
tree144e29dc5300d8d64b0d8494f3ee68f0d0836142 /lib/msun/src
parentad1ef3fe108a68cdfceecffecc344c47b0f1c50b (diff)
downloadFreeBSD-src-0c217c16793d46afb41db6c4cfb6a6cae03f8f37.zip
FreeBSD-src-0c217c16793d46afb41db6c4cfb6a6cae03f8f37.tar.gz
Implement fabsl(3), allowing the world to build with -fno-builtin.
Diffstat (limited to 'lib/msun/src')
-rw-r--r--lib/msun/src/fabsl.c37
1 files changed, 37 insertions, 0 deletions
diff --git a/lib/msun/src/fabsl.c b/lib/msun/src/fabsl.c
new file mode 100644
index 0000000..a78612f
--- /dev/null
+++ b/lib/msun/src/fabsl.c
@@ -0,0 +1,37 @@
+/*-
+ * Copyright (c) 2003 Dag-Erling Coïdan Smørgrav
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer
+ * in this position and unchanged.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * $FreeBSD$
+ */
+
+#include <math.h>
+
+long double
+fabsl(long double x)
+{
+ return (x < 0) ? -x : x;
+}
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