def test_Domain_convert(): def check_element(e1, e2, K1, K2, K3): assert type(e1) is type(e2), '%s, %s: %s %s -> %s' % (e1, e2, K1, K2, K3) assert e1 == e2, '%s, %s: %s %s -> %s' % (e1, e2, K1, K2, K3) def check_domains(K1, K2): K3 = K1.unify(K2) check_element(K3.convert_from(K1.one, K1), K3.one , K1, K2, K3) check_element(K3.convert_from(K2.one, K2), K3.one , K1, K2, K3) check_element(K3.convert_from(K1.zero, K1), K3.zero, K1, K2, K3) check_element(K3.convert_from(K2.zero, K2), K3.zero, K1, K2, K3) def composite_domains(K): return [K, K[y], K[z], K[y, z], K.frac_field(y), K.frac_field(z), K.frac_field(y, z)] QQ2 = QQ.algebraic_field(sqrt(2)) QQ3 = QQ.algebraic_field(sqrt(3)) doms = [ZZ, QQ, QQ2, QQ3, QQ_I, ZZ_I, RR, CC] for i, K1 in enumerate(doms): for K2 in doms[i:]: for K3 in composite_domains(K1): for K4 in composite_domains(K2): check_domains(K3, K4) assert QQ.convert(10e-52) == QQ(1684996666696915, 1684996666696914987166688442938726917102321526408785780068975640576) R, x = ring("x", ZZ) assert ZZ.convert(x - x) == 0 assert ZZ.convert(x - x, R.to_domain()) == 0 assert CC.convert(ZZ_I(1, 2)) == CC(1, 2) assert CC.convert(QQ_I(1, 2)) == CC(1, 2)
def test_Domain_convert(): assert QQ.convert(10e-52) == QQ( 1684996666696915, 1684996666696914987166688442938726917102321526408785780068975640576) R, x = ring("x", ZZ) assert ZZ.convert(x - x) == 0 assert ZZ.convert(x - x, R.to_domain()) == 0
def test_Domain_convert(): assert QQ.convert(10e-52) == QQ( 1684996666696915, 1684996666696914987166688442938726917102321526408785780068975640576 ) R, x = ring("x", ZZ) assert ZZ.convert(x - x) == 0 assert ZZ.convert(x - x, R.to_domain()) == 0
def test_Domain_convert(): def check_element(e1, e2, K1, K2, K3): assert type(e1) is type(e2), '%s, %s: %s %s -> %s' % (e1, e2, K1, K2, K3) assert e1 == e2, '%s, %s: %s %s -> %s' % (e1, e2, K1, K2, K3) def check_domains(K1, K2): K3 = K1.unify(K2) check_element(K3.convert_from(K1.one, K1), K3.one, K1, K2, K3) check_element(K3.convert_from(K2.one, K2), K3.one, K1, K2, K3) check_element(K3.convert_from(K1.zero, K1), K3.zero, K1, K2, K3) check_element(K3.convert_from(K2.zero, K2), K3.zero, K1, K2, K3) def composite_domains(K): domains = [ K, K[y], K[z], K[y, z], K.frac_field(y), K.frac_field(z), K.frac_field(y, z), # XXX: These should be tested and made to work... # K.old_poly_ring(y), K.old_frac_field(y), ] return domains QQ2 = QQ.algebraic_field(sqrt(2)) QQ3 = QQ.algebraic_field(sqrt(3)) doms = [ZZ, QQ, QQ2, QQ3, QQ_I, ZZ_I, RR, CC] for i, K1 in enumerate(doms): for K2 in doms[i:]: for K3 in composite_domains(K1): for K4 in composite_domains(K2): check_domains(K3, K4) assert QQ.convert(10e-52) == QQ( 1684996666696915, 1684996666696914987166688442938726917102321526408785780068975640576) R, xr = ring("x", ZZ) assert ZZ.convert(xr - xr) == 0 assert ZZ.convert(xr - xr, R.to_domain()) == 0 assert CC.convert(ZZ_I(1, 2)) == CC(1, 2) assert CC.convert(QQ_I(1, 2)) == CC(1, 2) K1 = QQ.frac_field(x) K2 = ZZ.frac_field(x) K3 = QQ[x] K4 = ZZ[x] Ks = [K1, K2, K3, K4] for Ka, Kb in product(Ks, Ks): assert Ka.convert_from(Kb.from_sympy(x), Kb) == Ka.from_sympy(x) assert K2.convert_from(QQ(1, 2), QQ) == K2(QQ(1, 2))
def test_Domain_convert(): assert QQ.convert(10e-52) != QQ(0) assert ZZ.convert(DMP([[ZZ(1)]], ZZ)) == ZZ(1)
def test_Domain_convert(): assert QQ.convert(10e-52) != QQ(0)