about summary refs log tree commit diff
path: root/sysdeps/ieee754/ldbl-128ibm/s_fabsl.c
diff options
context:
space:
mode:
authorJakub Jelinek <jakub@redhat.com>2007-07-12 18:26:36 +0000
committerJakub Jelinek <jakub@redhat.com>2007-07-12 18:26:36 +0000
commit0ecb606cb6cf65de1d9fc8a919bceb4be476c602 (patch)
tree2ea1f8305970753e4a657acb2ccc15ca3eec8e2c /sysdeps/ieee754/ldbl-128ibm/s_fabsl.c
parent7d58530341304d403a6626d7f7a1913165fe2f32 (diff)
downloadglibc-0ecb606cb6cf65de1d9fc8a919bceb4be476c602.tar.gz
glibc-0ecb606cb6cf65de1d9fc8a919bceb4be476c602.tar.xz
glibc-0ecb606cb6cf65de1d9fc8a919bceb4be476c602.zip
2.5-18.1
Diffstat (limited to 'sysdeps/ieee754/ldbl-128ibm/s_fabsl.c')
-rw-r--r--sysdeps/ieee754/ldbl-128ibm/s_fabsl.c43
1 files changed, 43 insertions, 0 deletions
diff --git a/sysdeps/ieee754/ldbl-128ibm/s_fabsl.c b/sysdeps/ieee754/ldbl-128ibm/s_fabsl.c
new file mode 100644
index 0000000000..62663125ee
--- /dev/null
+++ b/sysdeps/ieee754/ldbl-128ibm/s_fabsl.c
@@ -0,0 +1,43 @@
+/* s_fabsl.c -- long double version of s_fabs.c.
+ * Conversion to IEEE quad long double by Jakub Jelinek, jj@ultra.linux.cz.
+ */
+
+/*
+ * ====================================================
+ * 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.
+ * ====================================================
+ */
+
+#if defined(LIBM_SCCS) && !defined(lint)
+static char rcsid[] = "$NetBSD: $";
+#endif
+
+
+/*
+ * fabsl(x) returns the absolute value of x.
+ */
+
+#include "math.h"
+#include "math_private.h"
+#include <math_ldbl_opt.h>
+
+#ifdef __STDC__
+	long double __fabsl(long double x)
+#else
+	long double __fabsl(x)
+	long double x;
+#endif
+{
+	u_int64_t hx, lx;
+	GET_LDOUBLE_WORDS64(hx,lx,x);
+	lx = lx ^ ( hx & 0x8000000000000000LL );
+	hx = hx & 0x7fffffffffffffffLL;
+	SET_LDOUBLE_WORDS64(hx,lx,x);
+        return x;
+}
+long_double_symbol (libm, __fabsl, fabsl);