denyhosts/clamav/libclamav/tomsfastmath/numtheory/fp_lcm.c

32 lines
633 B
C
Raw Permalink Normal View History

2023-01-14 18:28:39 +08:00
/* 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>
/* c = [a, b] */
void fp_lcm(fp_int *a, fp_int *b, fp_int *c)
{
fp_int t1, t2;
fp_init(&t1);
fp_init(&t2);
fp_gcd(a, b, &t1);
if (fp_cmp_mag(a, b) == FP_GT) {
fp_div(a, &t1, &t2, NULL);
fp_mul(b, &t2, c);
} else {
fp_div(b, &t1, &t2, NULL);
fp_mul(a, &t2, c);
}
}
/* $Source$ */
/* $Revision$ */
/* $Date$ */