/* 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; }