about summary refs log tree commit diff
path: root/math/s_significandl.c
diff options
context:
space:
mode:
Diffstat (limited to 'math/s_significandl.c')
-rw-r--r--math/s_significandl.c39
1 files changed, 39 insertions, 0 deletions
diff --git a/math/s_significandl.c b/math/s_significandl.c
new file mode 100644
index 0000000000..9fa0e4ff91
--- /dev/null
+++ b/math/s_significandl.c
@@ -0,0 +1,39 @@
+/* s_significandl.c -- long double version of s_significand.c.
+ * Conversion to long double by Ulrich Drepper,
+ * Cygnus Support, drepper@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: $";
+#endif
+
+/*
+ * significandl(x) computes just
+ * 	scalbl(x, (long double) -ilogbl(x)),
+ * for exercising the fraction-part(F) IEEE 754-1985 test vector.
+ */
+
+#include <math.h>
+#include "math_private.h"
+
+#ifdef __STDC__
+	long double __significandl(long double x)
+#else
+	long double __significandl(x)
+	long double x;
+#endif
+{
+	return __ieee754_scalbl(x,(long double) -ilogbl(x));
+}
+weak_alias (__significandl, significandl)