ref: ef4fa80a34dc54cd42fe3e0c157dcede5f5ed207
dir: /3rd/mp/mpmod.c/
#include "platform.h" #include "mp.h" void mpmod(mpint *x, mpint *n, mpint *r) { int sign; mpint *ns; sign = x->sign; ns = sign < 0 && n == r ? mpcopy(n) : n; if((n->flags & MPfield) == 0 || ((Mfield*)n)->reduce((Mfield*)n, x, r) != 0) mpdiv(x, n, nil, r); if(sign < 0){ mpmagsub(ns, r, r); if(ns != n) mpfree(ns); } }