/* recint_complex.cpp - Combined calculus with operators
Return value.
0 No error
!= 0 Bad result for an operation
The following constants have to be defined.
STD_RECINT_SIZE size of recint (> 5)
LOOPS number of loops of randomized tests
*/
#include <cstddef> // required by gmp versions <= 5.1.3
#include <gmpxx.h>
#include <recint/ruint.h>
#if not defined(LOOPS)
#define LOOPS 10000
#endif
using namespace RecInt;
int main(void)
{
ruint<STD_RECINT_SIZE+1> zl;
ruint<STD_RECINT_SIZE> a, b, c, d, z;
mpz_class size, ga, gb, gc, gd, gz, gcmp;
// Init. size = 2 ^ (2 ^ STD_RECINT_SIZE)
mpz_ui_pow_ui(size.get_mpz_t(), 2, STD_RECINT_SIZE);
mpz_ui_pow_ui(size.get_mpz_t(), 2, size.get_ui());
RecInt::srand(limb(time(NULL)));
a = 0;
b = -a;
if (a != b)
return -1;
// Loop
for (UDItype l = 1; l < LOOPS; l++) {
rand(a); rand(b); rand(c); rand(d);
ruint_to_mpz(ga, a); ruint_to_mpz(gb, b);
ruint_to_mpz(gc, c); ruint_to_mpz(gd, d);
//--------- Tests ruint ----------
// Test complex 1
z = a * (b + c * d);
gz = ga * (gb + gc * gd); gz %= size;
ruint_to_mpz(gcmp, z);
if (gcmp != gz) return 1;
// Test complex 2 (in place)
a += a * (b + a);
ga += ga * (gb + ga); ga %= size;
ruint_to_mpz(gcmp, a);
if (gcmp != ga) return 2;
// Test complex 3 (shift)
z = (a * z) << (2 * STD_RECINT_SIZE);
gz = (ga * gz) << (2 * STD_RECINT_SIZE); gz %= size;
ruint_to_mpz(gcmp, z);
if (gcmp != gz) return 3;
// Test int * +
z = 4 * a + b * (c + 1);
gz = 4 * ga + gb * (gc + 1); gz %= size;
ruint_to_mpz(gcmp, z);
if (gcmp != gz) return 4;
// Test int -
if (a > b) {
z = c * (a - (b - 1));
gz = gc * (ga - (gb - 1));
} else {
z = c * (b - (a - 1));
gz = gc * (gb - (ga - 1));
}
gz %= size; ruint_to_mpz(gcmp, z);
if (gcmp != gz) return 5;
// Test int / %
z = b + (a / 2) % 3;
gz = gb + (ga / 2) % 3;
ruint_to_mpz(gcmp, z);
if (gcmp != gz) return 6;
// Tests in place et int
a += 5; ga += 5; ruint_to_mpz(gcmp, a);
if (a > 5 && gcmp != ga) return 7;
if (b > 5) { b -= 5; gb -= 5; ruint_to_mpz(gcmp, b);
if (gcmp != gb) return 8; }
c *= 5; gc *= 5; gc %= size; ruint_to_mpz(gcmp, c);
if (gcmp != gc) return 9;
d /= 5; gd /= 5; ruint_to_mpz(gcmp, d);
if (gcmp != gd) return 10;
a %= 5; ga %= 5; ruint_to_mpz(gcmp, a);
if (gcmp != ga) return 11;
}
return 0;
}
/* -*- mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
// vim:sts=4:sw=4:ts=4:et:sr:cino=>s,f0,{0,g0,(0,\:0,t0,+0,=s