Import newlib and create makefile

1 files changed, 34 insertions, 0 deletions

diff --git a/newlib/libm/math/s_signif.c b/newlib/libm/math/s_signif.c
new file mode 100644
index 0000000..f68046b
--- /dev/null
+++ b/newlib/libm/math/s_signif.c
@@ -0,0 +1,34 @@
+
+/* @(#)s_signif.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.
+ * ====================================================
+ */
+
+/*
+ * significand(x) computes just
+ * 	scalb(x, (double) -ilogb(x)),
+ * for exercising the fraction-part(F) IEEE 754-1985 test vector.
+ */
+
+#include "fdlibm.h"
+
+#ifndef _DOUBLE_IS_32BITS
+
+#ifdef __STDC__
+	double significand(double x)
+#else
+	double significand(x)
+	double x;
+#endif
+{
+	return __ieee754_scalb(x,(double) -ilogb(x));
+}
+
+#endif /* _DOUBLE_IS_32BITS */