Import newlib and create makefile

1 files changed, 40 insertions, 0 deletions

diff --git a/newlib/libm/mathfp/sf_ispos.c b/newlib/libm/mathfp/sf_ispos.c
new file mode 100644
index 0000000..1b91f39
--- /dev/null
+++ b/newlib/libm/mathfp/sf_ispos.c
@@ -0,0 +1,40 @@
+
+/* @(#)z_isposf.c 1.0 98/08/13 */
+/******************************************************************
+ * Positive value test
+ *
+ * Input:
+ *   x - floating point value
+ *
+ * Output:
+ *   An integer that indicates if the number is positive.
+ *
+ * Description:
+ *   This routine returns an integer that indicates if the number
+ *   passed in is positive (1) or negative (0).
+ *
+ *****************************************************************/
+
+#include "fdlibm.h"
+#include "zmath.h"
+
+int isposf (float x)
+{
+  __int32_t wx;
+
+  GET_FLOAT_WORD (wx, x);
+
+  if (wx & 0x80000000)
+    return (0);
+  else
+    return (1);
+}
+
+#ifdef _DOUBLE_IS_32BITS
+
+int ispos (double x)
+{
+  return isposf ((float) x);
+}
+
+#endif /* defined(_DOUBLE_IS_32BITS) */