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-rw-r--r--modules/fdlibm/src/s_fabs.cpp30
1 files changed, 30 insertions, 0 deletions
diff --git a/modules/fdlibm/src/s_fabs.cpp b/modules/fdlibm/src/s_fabs.cpp
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index 000000000..3bea0478a
--- /dev/null
+++ b/modules/fdlibm/src/s_fabs.cpp
@@ -0,0 +1,30 @@
+ /* @(#)s_fabs.c 5.1 93/09/24 */
+/*
+ * ====================================================
+ * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
+ *
+ * Developed at SunPro, a Sun Microsystems, Inc. business.
+ * Permission to use, copy, modify, and distribute this
+ * software is freely granted, provided that this notice
+ * is preserved.
+ * ====================================================
+ */
+
+#ifndef lint
+ //static char rcsid[] = "$FreeBSD$";
+#endif
+
+/*
+ * fabs(x) returns the absolute value of x.
+ */
+
+#include "math_private.h"
+
+double
+fabs(double x)
+{
+ u_int32_t high;
+ GET_HIGH_WORD(high,x);
+ SET_HIGH_WORD(x,high&0x7fffffff);
+ return x;
+}