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authorderaadt <deraadt@openbsd.org>1995-10-18 08:37:01 +0000
committerderaadt <deraadt@openbsd.org>1995-10-18 08:37:01 +0000
commitdf930be708d50e9715f173caa26ffe1b7599b157 (patch)
treeaa317e49e28cb999c9cf3db7f00c20903fe6010a /lib/libm/src/s_ldexpf.c
downloadwireguard-openbsd-df930be708d50e9715f173caa26ffe1b7599b157.tar.xz
wireguard-openbsd-df930be708d50e9715f173caa26ffe1b7599b157.zip
initial import of NetBSD tree
Diffstat (limited to 'lib/libm/src/s_ldexpf.c')
-rw-r--r--lib/libm/src/s_ldexpf.c35
1 files changed, 35 insertions, 0 deletions
diff --git a/lib/libm/src/s_ldexpf.c b/lib/libm/src/s_ldexpf.c
new file mode 100644
index 00000000000..60a28e2a5b4
--- /dev/null
+++ b/lib/libm/src/s_ldexpf.c
@@ -0,0 +1,35 @@
+/* s_ldexpf.c -- float version of s_ldexp.c.
+ * Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com.
+ */
+
+/*
+ * ====================================================
+ * 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: s_ldexpf.c,v 1.3 1995/05/10 20:47:42 jtc Exp $";
+#endif
+
+#include "math.h"
+#include "math_private.h"
+#include <errno.h>
+
+#ifdef __STDC__
+ float ldexpf(float value, int exp)
+#else
+ float ldexpf(value, exp)
+ float value; int exp;
+#endif
+{
+ if(!finitef(value)||value==(float)0.0) return value;
+ value = scalbnf(value,exp);
+ if(!finitef(value)||value==(float)0.0) errno = ERANGE;
+ return value;
+}