def test_add(self): f1 = Float(5.1) f2 = Float(10.1) assert f1.arith_add(f2).floatval == 15.2 n0 = Number(1) n1 = Number(2) assert n0.arith_add(n1).num == 3 n2 = Number(2) f3 = Float(3.2) assert n2.arith_add(f3).floatval == 5.2 assert f3.arith_add(n2).floatval == 5.2 b1 = BigInt(rbigint.fromdecimalstr('50000000000000000000000')) b2 = BigInt(rbigint.fromdecimalstr('10000000000000000000001')) assert b1.arith_add(b2).value.str() == '60000000000000000000001' n3 = Number(sys.maxint) assert n3.arith_add(n0).value.str() == str(sys.maxint + 1) b = BigInt(rbigint.fromdecimalstr('100000000000000000000000000000')) f = Float(1.5) assert b.arith_add(f).floatval == 100000000000000000000000000001.5 assert f.arith_add(b).floatval == 100000000000000000000000000001.5 assert b.arith_add(n0).value.tofloat() == 100000000000000000000000000001.0 assert n0.arith_add(b).value.tofloat() == 100000000000000000000000000001.0
def test_min(self): assert Number(5).arith_min(Number(1)).num == 1 assert Float(-1.32).arith_min(Float(4.5)).floatval == -1.32 assert BigInt(rbigint.fromdecimalstr('111111111111111111111111111')).arith_min(BigInt(rbigint.fromdecimalstr('222222222222222222222222222222'))).value.str() == '111111111111111111111111111' assert Number(-1000).arith_min(BigInt(rbigint.fromint(-1001))).num == -1001 assert BigInt(rbigint.fromint(-1001)).arith_min(Number(-1000)).num == -1001 assert BigInt(rbigint.fromdecimalstr('10000')).arith_min(Float(20000)).floatval == 10000.0 assert Float(20000).arith_min(BigInt(rbigint.fromdecimalstr('10000'))).floatval == 10000.0
def test_power(self): assert Number(5).arith_pow(Number(2)).num == 25 assert Float(2.3).arith_pow(Float(3.1)).floatval == 13.223800591254721 assert BigInt(rbigint.fromdecimalstr('1000000')).arith_pow(Number(4)).value.str() == '1000000000000000000000000' assert Float(10.0).arith_pow(BigInt(rbigint.fromdecimalstr('10'))).floatval == 10000000000.0 assert BigInt(rbigint.fromdecimalstr('10')).arith_pow(Float(10.0)).floatval == 10000000000.0 assert BigInt(rbigint.fromdecimalstr('1000000000000000')).arith_pow(Number(0)).num == 1 assert Float(10000000000).arith_pow(BigInt(rbigint.fromdecimalstr('0'))).floatval == 1.0
def test_float_misc(self): assert Float(7.4).arith_round().num == 7.0 assert Float(7.5).arith_round().num == 8.0 assert Float(7.4).arith_floor().num == 7.0 assert Float(7.9).arith_floor().num == 7.0 assert Float(7.4).arith_ceiling().num == 8.0 assert Float(7.4).arith_float_fractional_part().floatval == 7.4 - 7 assert Float(7.4).arith_float_integer_part().num == 7.0
def test_mul(self): assert Number(5).arith_mul(Number(100)).num == 500 assert Number(5).arith_mul(BigInt(rbigint.fromdecimalstr('1000000000000000000000000000000'))).value.tofloat() == 5000000000000000000000000000000.0 assert Number(-10).arith_mul(Float(-7.3)).floatval == 73 assert BigInt(rbigint.fromdecimalstr('-1000000000000000000000000000')).arith_mul(BigInt(rbigint.fromdecimalstr('100000000000000000000'))).value.str() == '-100000000000000000000000000000000000000000000000' assert Float(6.7).arith_mul(Float(-2.4)).floatval == -16.08 assert Float(6.7).arith_mul(BigInt(rbigint.fromdecimalstr('100000000000000000000000000000000000'))).floatval == 670000000000000000000000000000000000.0 assert BigInt(rbigint.fromdecimalstr('100000000000000000000000000000000000')).arith_mul(Float(6.7)).floatval == 670000000000000000000000000000000000.0 assert Number(2).arith_mul(Float(2.5)).floatval == 5 assert Float(2.5).arith_mul(Number(2)).floatval == 5
def test_sub(self): n1 = Number(5) n2 = Number(10) assert n1.arith_sub(n2).num == -5 assert n2.arith_sub(n1).num == 5 f1 = Float(10.5) f2 = Float(30.6) assert f1.arith_sub(f2).floatval == -20.1 assert f2.arith_sub(f1).floatval == 20.1 b1 = BigInt(rbigint.fromdecimalstr('10000000000000000000000000000000000000')) b2 = BigInt(rbigint.fromdecimalstr('20000000000000000000000000000000000000')) assert b1.arith_sub(b2).value.tofloat() == -10000000000000000000000000000000000000.0 assert b2.arith_sub(b1).value.tofloat() == 10000000000000000000000000000000000000.0 assert BigInt(rbigint.fromdecimalstr('100000000000000000000')).arith_sub(Number(1)).value.str() == '99999999999999999999' assert Number(5).arith_sub(BigInt(rbigint.fromdecimalstr('5'))).num == 0 assert BigInt(rbigint.fromdecimalstr('1000000000000000')).arith_sub(Float(500000000000000)).floatval == 500000000000000.0 assert Float(2000000000000000).arith_sub(BigInt(rbigint.fromdecimalstr('1000000000000000'))).floatval == 1000000000000000.0
def test_div(self): assert Number(5).arith_div(Number(2)).num == 2 assert Number(15).arith_div(Number(5)).num == 3 assert Number(5).arith_div(Float(2.5)).floatval == 2.0 assert Float(2.5).arith_div(Number(5)).floatval == 0.5 assert Float(-10).arith_div(Float(2.5)).floatval == -4.0 assert BigInt(rbigint.fromdecimalstr('50000000000000000')).arith_div(BigInt(rbigint.fromdecimalstr('25000000000000000'))).num == 2 assert BigInt(rbigint.fromdecimalstr('100000000000000000000')).arith_div(Float(100000000000000000000.0)).floatval == 1.0 assert Float(100000000000000000000).arith_div(BigInt(rbigint.fromdecimalstr('100000000000000000000'))).floatval == 1.0 assert Number(5).arith_div(BigInt(rbigint.fromdecimalstr('5'))).num == 1 assert BigInt(rbigint.fromdecimalstr('5')).arith_div(Number(5)).num == 1 py.test.raises(error.CatchableError, 'BigInt(rbigint.fromdecimalstr(\'1\')).arith_div(BigInt(rbigint.fromdecimalstr(\'0\')))') py.test.raises(error.CatchableError, 'BigInt(rbigint.fromdecimalstr(\'1\')).arith_div(Number(0))') py.test.raises(error.CatchableError, 'BigInt(rbigint.fromdecimalstr(\'1\')).arith_div(Float(0))') py.test.raises(error.CatchableError, 'Float(1).arith_div(Number(0))') py.test.raises(error.CatchableError, 'Number(1).arith_div(Number(0))') py.test.raises(error.CatchableError, 'Number(1).arith_div(Float(0))')
def _get_list(self, i): from prolog.interpreter.term import Float assert i == 0 return Float(self.vals_flo_0)
def test_abs(self): assert Number(-345345345).arith_abs().num == 345345345 assert Float(345345.435).arith_abs().floatval == 345345.435 assert Float(-345345.435).arith_abs().floatval == 345345.435 assert BigInt(rbigint.fromdecimalstr('-123123123123123123123123123')).arith_abs().value.str() == '123123123123123123123123123'