test-ruint_operators.C
/* test_operators.cpp - Arithmetic operators of RecInt generic test file
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 randized 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> x, y, z, s;
mpz_class size, gx, gy, gz, gs, gcmp;
USItype r;
// 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)));
// Loop
for (UDItype l = 1; l < LOOPS; l++) {
// RecInt rand
rand(x);
rand(y);
rand(z);
ruint_to_mpz(gx, x);
ruint_to_mpz(gy, y);
ruint_to_mpz(gz, z);
// Comparison
if (x < x) return -2;
if (x > x) return -2;
if (x != x) return -2;
if (x < y && gx >= gy) return -1;
if (x > y && gx <= gy) return -1;
if (x <= y && gx > gy) return -1;
if (x >= y && gx < gy) return -1;
if (x == y && gx != gy) return -1;
if (x != y && gx == gy) return -1;
// Increment and decrement
y++; gy++; ruint_to_mpz(gcmp, y);
if (gcmp != gy) return 1;
++y; ++gy; ruint_to_mpz(gcmp, y);
if (gcmp != gy) return 1;
if (x < 2) { x = 2; gx = 2; }
x--; gx--; ruint_to_mpz(gcmp, x);
if (gcmp != gx) return 2;
--x; --gx; ruint_to_mpz(gcmp, x);
if (gcmp != gx) return 2;
// add and sub in place
x += y; gx += gy; gx %= size; ruint_to_mpz(gcmp, x);
if (gcmp != gx) return 3;
r = USItype(rand()); x += r; gx += r; gx %= size; ruint_to_mpz(gcmp, x);
if (gcmp != gx) return 3;
rand(s); ruint_to_mpz(gs, s); s += s; gs += gs; gs %= size; ruint_to_mpz(gcmp, s);
if (gs != gcmp) return 3;
if (z > x) {
z -= x; gz -= gx; ruint_to_mpz(gcmp, z);
if (gcmp != gz) return 4;
} else {
x -= z; gx -= gz; ruint_to_mpz(gcmp, x);
if (gcmp != gx) return 4;
}
while (y < r) { rand(y); r = USItype(rand()); }
ruint_to_mpz(gy, y); y -= r; gy -= r; ruint_to_mpz(gcmp, y);
if (gcmp != gy) return 4;
rand(s); ruint_to_mpz(gs, s); s -= s; gs -= gs; ruint_to_mpz(gcmp, s);
if (gs != gcmp) return 4;
// mul and div in place
if (z < 2) { z = 2; gz = 2; }
x %= z; gx %= gz;
ruint_to_mpz(gcmp, x);
if (gcmp != gx) return 5;
while ((r = USItype(rand())) < 2);
z %= r; gz %= r; ruint_to_mpz(gcmp, z);
if (gcmp != gz) return 5;
while (s == 0) rand(s);
ruint_to_mpz(gs, s); s %= s; gs %= gs; ruint_to_mpz(gcmp, s);
if (gs != gcmp) return 5;
x *= y; gx *= gy; gx %= size; ruint_to_mpz(gcmp, x);
if (gcmp != gx) return 6;
r = USItype(rand()); x *= r; gx *= r; gx %= size; ruint_to_mpz(gcmp, x);
if (gcmp != gx) return 6;
rand(s); ruint_to_mpz(gs, s); s *= s; gs *= gs; gs %= size; ruint_to_mpz(gcmp, s);
if (gs != gcmp) return 6;
if (y == 0) { y++; gy++; }
z /= y; gz /= gy;
ruint_to_mpz(gcmp, z);
if (gcmp != gz) return 7;
while ((r = USItype(rand())) < 2);
y /= r; gy /= r; ruint_to_mpz(gcmp, y);
if (gcmp != gy) return 7;
while (s == 0) rand(s);
ruint_to_mpz(gs, s); s /= s; gs /= gs; ruint_to_mpz(gcmp, s);
if (gs != gcmp) return 7;
// Refresh
rand(x); ruint_to_mpz(gx, x);
rand(y); ruint_to_mpz(gy, y);
rand(z); ruint_to_mpz(gz, z);
// + symbol
x = y + z; gx = gy + gz; gx %= size; ruint_to_mpz(gcmp, x);
if (gcmp != gx) return 8;
r = USItype(rand()); x = (UDItype)r + z; gx = r + gz; gx %= size; ruint_to_mpz(gcmp, x);
if (gcmp != gx) return 8;
r = USItype(rand()); x = y + (UDItype)r; gx = gy + r; gx %= size; ruint_to_mpz(gcmp, x);
if (gcmp != gx) return 8;
// - symbol
while (y < z) { rand(y); rand(z); }
ruint_to_mpz(gy, y); ruint_to_mpz(gz, z); x = y - z; gx = gy - gz; ruint_to_mpz(gcmp, x);
if (gcmp != gx) return 9;
while (r < z) { r = USItype(rand()); z = rand(); }
ruint_to_mpz(gz, z); x = (UDItype)r - z; gx = r - gz; ruint_to_mpz(gcmp, x);
if (gcmp != gx) return 9;
while (y < r) { r = USItype(rand()); rand(y); }
ruint_to_mpz(gy, y); x = y - (UDItype)r; gx = gy - r; ruint_to_mpz(gcmp, x);
if (gcmp != gx) return 9;
// Refresh
rand(x); ruint_to_mpz(gx, x);
rand(y); ruint_to_mpz(gy, y);
rand(z); ruint_to_mpz(gz, z);
// % symbol
z = x % y;
gz = gx % gy; ruint_to_mpz(gcmp, z);
if (gcmp != gz) return 10;
while ((r = USItype(rand())) < 2);
z = (x % (UDItype)r); gz = gx % r; ruint_to_mpz(gcmp, z);
if (gcmp != gz) return 10;
if (x % x != 0) return 10;
// * symbol
x = y * z; gx = gy * gz; gx %= size; ruint_to_mpz(gcmp, x);
if (gcmp != gx) return 11;
r = USItype(rand()); x = (UDItype)r * z; gx = r * gz; gx %= size; ruint_to_mpz(gcmp, x);
if (gcmp != gx) return 11;
r = USItype(rand()); x = y * (UDItype)r; gx = gy * r; gx %= size; ruint_to_mpz(gcmp, x);
if (gcmp != gx) return 11;
// / symbol
z = x / y; gz = gx / gy; ruint_to_mpz(gcmp, z);
if (gcmp != gz) return 12;
while ((r = USItype(rand())) < 2);
z = x / (UDItype)r; gz = gx / r; ruint_to_mpz(gcmp, z);
if (gcmp != gz) return 12;
if (x / x != 1) return 12;
}
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