shithub: riscv

Info  •  Files  •  Log  •  Branches

libmp: declare mpfactorial

--- a/sys/include/mp.h

+++ b/sys/include/mp.h

@@ -102,6 +102,9 @@

 /* res = s != 0 ? b1 : b2 */

 void	mpsel(int s, mpint *b1, mpint *b2, mpint *res);

+/* return n! */

+mpint*	mpfactorial(ulong n);

+

 /* extended gcd return d, x, and y, s.t. d = gcd(a,b) and ax+by = d */

 void	mpextendedgcd(mpint *a, mpint *b, mpint *d, mpint *x, mpint *y);