void arb_hypgeom_chi(arb_t res, const arb_t z, slong prec) { if (!arb_is_finite(z) || !arb_is_positive(z)) { arb_indeterminate(res); } else { acb_t t; acb_init(t); arb_set(acb_realref(t), z); acb_hypgeom_chi(t, t, prec); arb_swap(res, acb_realref(t)); acb_clear(t); } }
int main() { slong iter; flint_rand_t state; flint_printf("chi...."); fflush(stdout); flint_randinit(state); for (iter = 0; iter < 10000 * arb_test_multiplier(); iter++) { acb_t z0, z1, w0, w1; slong prec0, prec1; acb_init(z0); acb_init(z1); acb_init(w0); acb_init(w1); prec0 = 2 + n_randint(state, 1000); prec1 = 2 + n_randint(state, 1000); acb_randtest(z0, state, 1 + n_randint(state, 1000), 1 + n_randint(state, 10)); acb_randtest(w0, state, 1 + n_randint(state, 1000), 1 + n_randint(state, 10)); acb_randtest(w1, state, 1 + n_randint(state, 1000), 1 + n_randint(state, 10)); acb_set(z1, z0); if (n_randint(state, 2)) { acb_add(z1, z1, w0, prec0); acb_sub(z1, z1, w0, prec0); } switch (n_randint(state, 3)) { case 0: acb_hypgeom_chi_2f3(w0, z0, prec0); break; case 1: acb_hypgeom_chi_asymp(w0, z0, prec0); break; default: acb_hypgeom_chi(w0, z0, prec0); } switch (n_randint(state, 3)) { case 0: acb_hypgeom_chi_2f3(w1, z1, prec1); break; case 1: acb_hypgeom_chi_asymp(w1, z1, prec1); break; default: acb_hypgeom_chi(w1, z1, prec1); } if (!acb_overlaps(w0, w1)) { flint_printf("FAIL: consistency\n\n"); flint_printf("z0 = "); acb_printd(z0, 30); flint_printf("\n\n"); flint_printf("z1 = "); acb_printd(z1, 30); flint_printf("\n\n"); flint_printf("w0 = "); acb_printd(w0, 30); flint_printf("\n\n"); flint_printf("w1 = "); acb_printd(w1, 30); flint_printf("\n\n"); abort(); } acb_clear(z0); acb_clear(z1); acb_clear(w0); acb_clear(w1); } flint_randclear(state); flint_cleanup(); flint_printf("PASS\n"); return EXIT_SUCCESS; }