set default newlib dir's structure

git-svn-id: svn://kolibrios.org@4874 a494cfbc-eb01-0410-851d-a64ba20cac60

contrib/sdk/sources/newlib/libc/math/s_infinity.c

@@ -0,0 +1,49 @@
+/*
+ * infinity () returns the representation of infinity.
+ * Added by Cygnus Support.
+ */
+
+/*
+FUNCTION
+	<<infinity>>, <<infinityf>>--representation of infinity
+
+INDEX
+	infinity
+INDEX
+	infinityf
+
+ANSI_SYNOPSIS
+	#include <math.h>
+	double infinity(void);
+	float infinityf(void);
+
+DESCRIPTION
+	<<infinity>> and <<infinityf>> return the special number IEEE
+	infinity in double- and single-precision arithmetic
+	respectively.
+
+PORTABILITY
+<<infinity>> and <<infinityf>> are neither standard C nor POSIX.  C and
+POSIX require macros HUGE_VAL and HUGE_VALF to be defined in math.h, which
+Newlib defines to be infinities corresponding to these archaic infinity()
+and infinityf() functions in floating-point implementations which do have
+infinities.
+
+QUICKREF
+	infinity - pure
+
+*/
+
+#include "fdlibm.h"
+
+#ifndef _DOUBLE_IS_32BITS
+
+	double infinity()
+{
+	double x;
+
+	INSERT_WORDS(x,0x7ff00000,0);
+	return x;
+}
+
+#endif /* _DOUBLE_IS_32BITS */