/*
Copyright (C) 2017 William Hart
This file is part of FLINT.
FLINT is free software: you can redistribute it and/or modify it under
the terms of the GNU Lesser General Public License (LGPL) as published
by the Free Software Foundation; either version 2.1 of the License, or
(at your option) any later version. See .
*/
#include
#include
#include
#include "flint.h"
#include "fmpz.h"
#include "fmpz_mpoly.h"
#include "ulong_extras.h"
int
main(void)
{
int i, j, result;
FLINT_TEST_INIT(state);
flint_printf("mul_johnson....");
fflush(stdout);
/* Check mul_johnson matches mul_array */
for (i = 0; i < 10 * flint_test_multiplier(); i++)
{
fmpz_mpoly_ctx_t ctx;
fmpz_mpoly_t f, g, h, k;
ordering_t ord;
slong nvars, len, len1, len2, exp_bound, exp_bound1, exp_bound2;
slong coeff_bits;
int ok1;
ord = mpoly_ordering_randtest(state);
nvars = n_randint(state, 10) + 1;
fmpz_mpoly_ctx_init(ctx, nvars, ord);
fmpz_mpoly_init(f, ctx);
fmpz_mpoly_init(g, ctx);
fmpz_mpoly_init(h, ctx);
fmpz_mpoly_init(k, ctx);
len = n_randint(state, 100);
len1 = n_randint(state, 100);
len2 = n_randint(state, 100);
exp_bound = n_randint(state, 800/nvars/nvars) + 1;
exp_bound1 = n_randint(state, 800/nvars/nvars) + 1;
exp_bound2 = n_randint(state, 800/nvars/nvars) + 1;
coeff_bits = n_randint(state, 200);
for (j = 0; j < 4; j++)
{
fmpz_mpoly_randtest_bound(f, state, len1, coeff_bits, exp_bound1, ctx);
fmpz_mpoly_randtest_bound(g, state, len2, coeff_bits, exp_bound2, ctx);
fmpz_mpoly_randtest_bound(h, state, len, coeff_bits, exp_bound, ctx);
fmpz_mpoly_randtest_bound(k, state, len, coeff_bits, exp_bound, ctx);
ok1 = fmpz_mpoly_mul_array(h, f, g, ctx);
fmpz_mpoly_assert_canonical(h, ctx);
fmpz_mpoly_mul_johnson(k, f, g, ctx);
fmpz_mpoly_assert_canonical(k, ctx);
result = ok1 == 0 || fmpz_mpoly_equal(h, k, ctx);
if (!result)
{
printf("FAIL\n");
flint_printf("Check mul_johnson matches mul_array\ni = %wd, j = %wd\n", i, j);
flint_abort();
}
}
fmpz_mpoly_clear(f, ctx);
fmpz_mpoly_clear(g, ctx);
fmpz_mpoly_clear(h, ctx);
fmpz_mpoly_clear(k, ctx);
}
/* Check f*(g + h) = f*g + f*h */
for (i = 0; i < 20 * flint_test_multiplier(); i++)
{
fmpz_mpoly_ctx_t ctx;
fmpz_mpoly_t f, g, h, k1, k2, t1, t2;
slong len, len1, len2;
flint_bitcnt_t coeff_bits, exp_bits, exp_bits1, exp_bits2;
fmpz_mpoly_ctx_init_rand(ctx, state, 20);
fmpz_mpoly_init(f, ctx);
fmpz_mpoly_init(g, ctx);
fmpz_mpoly_init(h, ctx);
fmpz_mpoly_init(k1, ctx);
fmpz_mpoly_init(k2, ctx);
fmpz_mpoly_init(t1, ctx);
fmpz_mpoly_init(t2, ctx);
len = n_randint(state, 100);
len1 = n_randint(state, 100);
len2 = n_randint(state, 100);
exp_bits = n_randint(state, 200) + 2;
exp_bits1 = n_randint(state, 200) + 2;
exp_bits2 = n_randint(state, 200) + 2;
coeff_bits = n_randint(state, 200);
fmpz_mpoly_randtest_bits(k1, state, len, coeff_bits, exp_bits, ctx);
fmpz_mpoly_randtest_bits(k2, state, len, coeff_bits, exp_bits, ctx);
for (j = 0; j < 4; j++)
{
fmpz_mpoly_randtest_bits(f, state, len1, coeff_bits, exp_bits1, ctx);
fmpz_mpoly_randtest_bits(g, state, len2, coeff_bits, exp_bits2, ctx);
fmpz_mpoly_randtest_bits(h, state, len2, coeff_bits, exp_bits2, ctx);
fmpz_mpoly_add(t1, g, h, ctx);
fmpz_mpoly_assert_canonical(t1, ctx);
fmpz_mpoly_mul_johnson(k1, f, t1, ctx);
fmpz_mpoly_assert_canonical(k1, ctx);
fmpz_mpoly_mul_johnson(t1, f, g, ctx);
fmpz_mpoly_assert_canonical(t1, ctx);
fmpz_mpoly_mul_johnson(t2, f, h, ctx);
fmpz_mpoly_assert_canonical(t2, ctx);
fmpz_mpoly_add(k2, t1, t2, ctx);
fmpz_mpoly_assert_canonical(k2, ctx);
result = fmpz_mpoly_equal(k1, k2, ctx);
if (!result)
{
printf("FAIL\n");
flint_printf("Check f*(g + h) = f*g + f*h\ni = %wd, j = %wd\n", i ,j);
flint_abort();
}
}
fmpz_mpoly_clear(f, ctx);
fmpz_mpoly_clear(g, ctx);
fmpz_mpoly_clear(h, ctx);
fmpz_mpoly_clear(k1, ctx);
fmpz_mpoly_clear(k2, ctx);
fmpz_mpoly_clear(t1, ctx);
fmpz_mpoly_clear(t2, ctx);
fmpz_mpoly_ctx_clear(ctx);
}
/* Check aliasing first argument */
for (i = 0; i < 10 * flint_test_multiplier(); i++)
{
fmpz_mpoly_ctx_t ctx;
fmpz_mpoly_t f, g, h;
slong len, len1, len2;
flint_bitcnt_t coeff_bits, exp_bits, exp_bits1, exp_bits2;
fmpz_mpoly_ctx_init_rand(ctx, state, 20);
fmpz_mpoly_init(f, ctx);
fmpz_mpoly_init(g, ctx);
fmpz_mpoly_init(h, ctx);
len = n_randint(state, 100);
len1 = n_randint(state, 100);
len2 = n_randint(state, 100);
exp_bits = n_randint(state, 200) + 2;
exp_bits1 = n_randint(state, 200) + 2;
exp_bits2 = n_randint(state, 200) + 2;
coeff_bits = n_randint(state, 200);
for (j = 0; j < 4; j++)
{
fmpz_mpoly_randtest_bits(f, state, len1, coeff_bits, exp_bits1, ctx);
fmpz_mpoly_randtest_bits(g, state, len2, coeff_bits, exp_bits2, ctx);
fmpz_mpoly_randtest_bits(h, state, len, coeff_bits, exp_bits, ctx);
fmpz_mpoly_mul_johnson(h, f, g, ctx);
fmpz_mpoly_assert_canonical(h, ctx);
fmpz_mpoly_mul_johnson(f, f, g, ctx);
fmpz_mpoly_assert_canonical(f, ctx);
result = fmpz_mpoly_equal(h, f, ctx);
if (!result)
{
printf("FAIL\n");
flint_printf("Check aliasing second arg\ni = %wd, j = %wd\n", i ,j);
flint_abort();
}
}
fmpz_mpoly_clear(f, ctx);
fmpz_mpoly_clear(g, ctx);
fmpz_mpoly_clear(h, ctx);
fmpz_mpoly_ctx_clear(ctx);
}
/* Check aliasing second argument */
for (i = 0; i < 10 * flint_test_multiplier(); i++)
{
fmpz_mpoly_ctx_t ctx;
fmpz_mpoly_t f, g, h;
slong len, len1, len2;
flint_bitcnt_t coeff_bits, exp_bits, exp_bits1, exp_bits2;
fmpz_mpoly_ctx_init_rand(ctx, state, 20);
fmpz_mpoly_init(f, ctx);
fmpz_mpoly_init(g, ctx);
fmpz_mpoly_init(h, ctx);
len = n_randint(state, 100);
len1 = n_randint(state, 100);
len2 = n_randint(state, 100);
exp_bits = n_randint(state, 200) + 2;
exp_bits1 = n_randint(state, 200) + 2;
exp_bits2 = n_randint(state, 200) + 2;
coeff_bits = n_randint(state, 200);
for (j = 0; j < 4; j++)
{
fmpz_mpoly_randtest_bits(f, state, len1, coeff_bits, exp_bits1, ctx);
fmpz_mpoly_randtest_bits(g, state, len2, coeff_bits, exp_bits2, ctx);
fmpz_mpoly_randtest_bits(h, state, len, coeff_bits, exp_bits, ctx);
fmpz_mpoly_mul_johnson(h, f, g, ctx);
fmpz_mpoly_assert_canonical(h, ctx);
fmpz_mpoly_mul_johnson(g, f, g, ctx);
fmpz_mpoly_assert_canonical(g, ctx);
result = fmpz_mpoly_equal(h, g, ctx);
if (!result)
{
printf("FAIL\n");
flint_printf("Check aliasing second arg\ni = %wd, j = %wd\n", i ,j);
flint_abort();
}
}
fmpz_mpoly_clear(f, ctx);
fmpz_mpoly_clear(g, ctx);
fmpz_mpoly_clear(h, ctx);
fmpz_mpoly_ctx_clear(ctx);
}
FLINT_TEST_CLEANUP(state);
flint_printf("PASS\n");
return 0;
}