libtommath/mp_cmp.c
2019-11-11 21:52:20 +01:00

22 lines
495 B
C

#include "tommath_private.h"
#ifdef MP_CMP_C
/* LibTomMath, multiple-precision integer library -- Tom St Denis */
/* SPDX-License-Identifier: Unlicense */
/* compare two ints (signed)*/
mp_ord mp_cmp(const mp_int *a, const mp_int *b)
{
/* compare based on sign */
if (a->sign != b->sign) {
return mp_isneg(a) ? MP_LT : MP_GT;
}
/* if negative compare opposite direction */
if (mp_isneg(a)) {
MP_EXCH(const mp_int *, a, b);
}
return mp_cmp_mag(a, b);
}
#endif