115 lines
3.0 KiB
C
115 lines
3.0 KiB
C
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#include <stdio.h>
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#include <stdlib.h>
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#include <gmp.h>
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#include "fmpz_poly_q.h"
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#include "long_extras.h"
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#include "ulong_extras.h"
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int
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main(void)
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{
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int i, result;
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FLINT_TEST_INIT(state);
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flint_printf("scalar_div_mpq... ");
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fflush(stdout);
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/* Check aliasing of a and b */
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for (i = 0; i < 100; i++)
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{
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fmpz_poly_q_t a, b;
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fmpz_t x1, x2;
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mpq_t y;
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fmpz_poly_q_init(a);
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fmpz_poly_q_init(b);
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fmpz_init(x1);
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fmpz_init(x2);
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mpq_init(y);
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fmpz_poly_q_randtest(b, state, n_randint(state, 50), 50, n_randint(state, 50), 50);
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fmpz_randtest_not_zero(x1, state, 50);
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fmpz_randtest_not_zero(x2, state, 50);
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fmpz_get_mpz(mpq_numref(y), x1);
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fmpz_get_mpz(mpq_denref(y), x2);
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mpq_canonicalize(y);
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fmpz_poly_q_scalar_div_mpq(a, b, y);
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fmpz_poly_q_scalar_div_mpq(b, b, y);
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result = fmpz_poly_q_equal(a, b);
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if (!result)
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{
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flint_printf("FAIL:\n");
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fmpz_poly_q_print(a), flint_printf("\n\n");
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fmpz_poly_q_print(b), flint_printf("\n\n");
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abort();
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}
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fmpz_poly_q_clear(a);
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fmpz_poly_q_clear(b);
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fmpz_clear(x1);
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fmpz_clear(x2);
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mpq_clear(y);
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}
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/* Check that x (a + b) == x * a + x * b */
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for (i = 0; i < 100; i++)
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{
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fmpz_poly_q_t a, b, c, d;
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fmpz_t x1, x2;
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mpq_t y;
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fmpz_poly_q_init(a);
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fmpz_poly_q_init(b);
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fmpz_poly_q_init(c);
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fmpz_poly_q_init(d);
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fmpz_init(x1);
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fmpz_init(x2);
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mpq_init(y);
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fmpz_poly_q_randtest(a, state, n_randint(state, 50), 50, n_randint(state, 50), 50);
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fmpz_poly_q_randtest(b, state, n_randint(state, 50), 50, n_randint(state, 50), 50);
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fmpz_randtest_not_zero(x1, state, 50);
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fmpz_randtest_not_zero(x2, state, 50);
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fmpz_get_mpz(mpq_numref(y), x1);
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fmpz_get_mpz(mpq_denref(y), x2);
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mpq_canonicalize(y);
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fmpz_poly_q_scalar_div_mpq(c, a, y);
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fmpz_poly_q_scalar_div_mpq(d, b, y);
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fmpz_poly_q_add(d, c, d);
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fmpz_poly_q_add(c, a, b);
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fmpz_poly_q_scalar_div_mpq(c, c, y);
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result = fmpz_poly_q_equal(c, d) && fmpz_poly_q_is_canonical(c);
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if (!result)
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{
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flint_printf("FAIL:\n");
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flint_printf("a = "), fmpz_poly_q_print(a), flint_printf("\n\n");
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flint_printf("b = "), fmpz_poly_q_print(b), flint_printf("\n\n");
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flint_printf("c = "), fmpz_poly_q_print(c), flint_printf("\n\n");
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flint_printf("d = "), fmpz_poly_q_print(d), flint_printf("\n\n");
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gmp_printf("y = %Qd\n\n", y);
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abort();
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}
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fmpz_poly_q_clear(a);
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fmpz_poly_q_clear(b);
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fmpz_poly_q_clear(c);
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fmpz_poly_q_clear(d);
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fmpz_clear(x1);
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fmpz_clear(x2);
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mpq_clear(y);
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}
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FLINT_TEST_CLEANUP(state);
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flint_printf("PASS\n");
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return EXIT_SUCCESS;
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}
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