summaryrefslogtreecommitdiff
path: root/lib/libc/arch/arm/gen/fabs.c
diff options
context:
space:
mode:
Diffstat (limited to 'lib/libc/arch/arm/gen/fabs.c')
-rw-r--r--lib/libc/arch/arm/gen/fabs.c35
1 files changed, 35 insertions, 0 deletions
diff --git a/lib/libc/arch/arm/gen/fabs.c b/lib/libc/arch/arm/gen/fabs.c
new file mode 100644
index 00000000000..18c7b45b4c2
--- /dev/null
+++ b/lib/libc/arch/arm/gen/fabs.c
@@ -0,0 +1,35 @@
+/* $OpenBSD: fabs.c,v 1.7 2011/07/08 22:28:33 martynas Exp $ */
+/*
+ * Copyright (c) 2008 Martynas Venckus <martynas@openbsd.org>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <sys/cdefs.h>
+#include <sys/types.h>
+#include <machine/ieee.h>
+
+/*
+ * fabs(d) returns the absolute value of d.
+ */
+double
+fabs(double d)
+{
+ struct ieee_double *p = (struct ieee_double *)&d;
+
+ p->dbl_sign = 0;
+
+ return(d);
+}
+
+__weak_alias(fabsl, fabs);