Diff: math/bin/fp_to_unsigned_bin.c

Revision:

4:cbaf466d717d

Parent:

0:35aa5be3b78d

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/math/bin/fp_to_unsigned_bin.c	Tue Jun 10 14:23:09 2014 +0000
@@ -0,0 +1,29 @@
+/* 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.h>
+
+void fp_to_unsigned_bin(fp_int *a, unsigned char *b)
+{
+  int     x;
+  fp_int  t;
+
+  fp_init_copy(&t, a);
+
+  x = 0;
+  while (fp_iszero (&t) == FP_NO) {
+      b[x++] = (unsigned char) (t.dp[0] & 255);
+      fp_div_2d (&t, 8, &t, NULL);
+  }
+  fp_reverse (b, x);
+}
+
+/* $Source: /cvs/libtom/tomsfastmath/src/bin/fp_to_unsigned_bin.c,v $ */
+/* $Revision: 1.2 $ */
+/* $Date: 2007/02/27 02:38:44 $ */