From 3534b428629be185e096be99e3bd5fdfe32d5544 Mon Sep 17 00:00:00 2001
From: Laurent Bercot <ska-skaware@skarnet.org>
Date: Thu, 18 Sep 2014 18:55:44 +0000
Subject: initial commit with rc for skalibs-2.0.0.0

---
 src/libbiguint/bu_invmod.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)
 create mode 100644 src/libbiguint/bu_invmod.c

(limited to 'src/libbiguint/bu_invmod.c')

diff --git a/src/libbiguint/bu_invmod.c b/src/libbiguint/bu_invmod.c
new file mode 100644
index 0000000..ff209e7
--- /dev/null
+++ b/src/libbiguint/bu_invmod.c
@@ -0,0 +1,12 @@
+/* ISC license. */
+
+#include <skalibs/uint32.h>
+#include <skalibs/biguint.h>
+
+/* x^-1 mod m. */
+
+int bu_invmod (uint32 *x, unsigned int xn, uint32 const *m, unsigned int mn)
+{
+  uint32 const one = 1 ;
+  return bu_divmod(x, xn, &one, 1, x, xn, m, mn) ;
+}
-- 
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