Import newlib and create makefile

1 files changed, 42 insertions, 0 deletions

diff --git a/newlib/libm/mathfp/sf_ceil.c b/newlib/libm/mathfp/sf_ceil.c
new file mode 100644
index 0000000..bc8e140
--- /dev/null
+++ b/newlib/libm/mathfp/sf_ceil.c
@@ -0,0 +1,42 @@
+
+/* @(#)z_ceilf.c 1.0 98/08/13 */
+/*****************************************************************
+ * ceil
+ *
+ * Input:
+ *   x  - floating point value
+ *
+ * Output:
+ *   Smallest integer greater than x.
+ *
+ * Description:
+ *   This routine returns the smallest integer greater than x.
+ *
+ *****************************************************************/
+
+#include "fdlibm.h"
+#include "zmath.h"
+
+float
+_DEFUN (ceilf, (float),
+        float x)
+{
+  float f, y;
+
+  y = modff (x, &f);
+
+  if (y == 0.0)
+    return (x);
+  else if (x > -1.0 && x < 1.0)
+    return (x > 0 ? 1.0 : 0.0);
+  else
+    return (x > 0 ? f + 1.0 : f);
+}
+
+#ifdef _DOUBLE_IS_32BITS
+double ceil (double x)
+{
+  return (double) ceilf ((float) x);
+}
+
+#endif /* defined(_DOUBLE_IS_32BITS) */