summaryrefslogtreecommitdiffstats
path: root/lib/msun/src/s_ldexpf.c
diff options
context:
space:
mode:
Diffstat (limited to 'lib/msun/src/s_ldexpf.c')
-rw-r--r--lib/msun/src/s_ldexpf.c35
1 files changed, 35 insertions, 0 deletions
diff --git a/lib/msun/src/s_ldexpf.c b/lib/msun/src/s_ldexpf.c
new file mode 100644
index 0000000..cdb4476
--- /dev/null
+++ b/lib/msun/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.
+ * ====================================================
+ */
+
+#ifndef lint
+static char rcsid[] = "$Id: s_ldexpf.c,v 1.1 1994/08/10 20:32:39 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;
+}
OpenPOWER on IntegriCloud