commit files needed for zpm-fetchurl

[zpackage] / tomsfastmath / src / bin / fp_reverse.c

diff --git a/tomsfastmath/src/bin/fp_reverse.c b/tomsfastmath/src/bin/fp_reverse.c
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+/* TomsFastMath, a fast ISO C bignum library.
+ * 
+ * This project is meant to fill in where LibTomMath
+ * falls short.  That is speed ;-)
+ *
+ * This project is public domain and free for all purposes.
+ * 
+ * Tom St Denis, tomstdenis@gmail.com
+ */
+#include <tfm_private.h>
+
+/* reverse an array, used for radix code */
+void fp_reverse (unsigned char *s, int len)
+{
+  int     ix, iy;
+  unsigned char t;
+
+  ix = 0;
+  iy = len - 1;
+  while (ix < iy) {
+    t     = s[ix];
+    s[ix] = s[iy];
+    s[iy] = t;
+    ++ix;
+    --iy;
+  }
+}
+
+/* $Source$ */
+/* $Revision$ */
+/* $Date$ */