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Python cmath.asin方法代码示例

本文整理汇总了Python中cmath.asin方法的典型用法代码示例。如果您正苦于以下问题:Python cmath.asin方法的具体用法?Python cmath.asin怎么用?Python cmath.asin使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在cmath的用法示例。


在下文中一共展示了cmath.asin方法的5个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Python代码示例。

示例1: ASIN

# 需要导入模块: import cmath [as 别名]
# 或者: from cmath import asin [as 别名]
def ASIN(df, price='Close'):
    """
    Arc Sine
    Returns: list of floats = jhta.ASIN(df, price='Close')
    """
    return [cmath.asin(df[price][i]).real for i in range(len(df[price]))] 
开发者ID:joosthoeks,项目名称:jhTAlib,代码行数:8,代码来源:math_functions.py

示例2: test_asin

# 需要导入模块: import cmath [as 别名]
# 或者: from cmath import asin [as 别名]
def test_asin(self):
        self.assertAlmostEqual(complex(0.633984, 2.30551),
                               cmath.asin(complex(3, 4))) 
开发者ID:ofermend,项目名称:medicare-demo,代码行数:5,代码来源:test_cmath_jy.py

示例3: test_areal_inverses

# 需要导入模块: import cmath [as 别名]
# 或者: from cmath import asin [as 别名]
def test_areal_inverses():
    assert asin(mpf(0)) == 0
    assert asinh(mpf(0)) == 0
    assert acosh(mpf(1)) == 0
    assert isinstance(asin(mpf(0.5)), mpf)
    assert isinstance(asin(mpf(2.0)), mpc)
    assert isinstance(acos(mpf(0.5)), mpf)
    assert isinstance(acos(mpf(2.0)), mpc)
    assert isinstance(atanh(mpf(0.1)), mpf)
    assert isinstance(atanh(mpf(1.1)), mpc)

    random.seed(1)
    for i in range(50):
        x = random.uniform(0, 1)
        assert asin(mpf(x)).ae(math.asin(x))
        assert acos(mpf(x)).ae(math.acos(x))

        x = random.uniform(-10, 10)
        assert asinh(mpf(x)).ae(cmath.asinh(x).real)
        assert isinstance(asinh(mpf(x)), mpf)
        x = random.uniform(1, 10)
        assert acosh(mpf(x)).ae(cmath.acosh(x).real)
        assert isinstance(acosh(mpf(x)), mpf)
        x = random.uniform(-10, 0.999)
        assert isinstance(acosh(mpf(x)), mpc)

        x = random.uniform(-1, 1)
        assert atanh(mpf(x)).ae(cmath.atanh(x).real)
        assert isinstance(atanh(mpf(x)), mpf)

    dps = mp.dps
    mp.dps = 300
    assert isinstance(asin(0.5), mpf)
    mp.dps = 1000
    assert asin(1).ae(pi/2)
    assert asin(-1).ae(-pi/2)
    mp.dps = dps 
开发者ID:nsalomonis,项目名称:altanalyze,代码行数:39,代码来源:test_functions.py

示例4: test_complex_inverse_functions

# 需要导入模块: import cmath [as 别名]
# 或者: from cmath import asin [as 别名]
def test_complex_inverse_functions():
    for (z1, z2) in random_complexes(30):
        # apparently cmath uses a different branch, so we
        # can't use it for comparison
        assert sinh(asinh(z1)).ae(z1)
        #
        assert acosh(z1).ae(cmath.acosh(z1))
        assert atanh(z1).ae(cmath.atanh(z1))
        assert atan(z1).ae(cmath.atan(z1))
        # the reason we set a big eps here is that the cmath
        # functions are inaccurate
        assert asin(z1).ae(cmath.asin(z1), rel_eps=1e-12)
        assert acos(z1).ae(cmath.acos(z1), rel_eps=1e-12)
        one = mpf(1)
    for i in range(-9, 10, 3):
        for k in range(-9, 10, 3):
            a = 0.9*j*10**k + 0.8*one*10**i
            b = cos(acos(a))
            assert b.ae(a)
            b = sin(asin(a))
            assert b.ae(a)
    one = mpf(1)
    err = 2*10**-15
    for i in range(-9, 9, 3):
        for k in range(-9, 9, 3):
            a = -0.9*10**k + j*0.8*one*10**i
            b = cosh(acosh(a))
            assert b.ae(a, err)
            b = sinh(asinh(a))
            assert b.ae(a, err) 
开发者ID:nsalomonis,项目名称:altanalyze,代码行数:32,代码来源:test_functions.py

示例5: test_perturbation_rounding

# 需要导入模块: import cmath [as 别名]
# 或者: from cmath import asin [as 别名]
def test_perturbation_rounding():
    mp.dps = 100
    a = pi/10**50
    b = -pi/10**50
    c = 1 + a
    d = 1 + b
    mp.dps = 15
    assert exp(a) == 1
    assert exp(a, rounding='c') > 1
    assert exp(b, rounding='c') == 1
    assert exp(a, rounding='f') == 1
    assert exp(b, rounding='f') < 1
    assert cos(a) == 1
    assert cos(a, rounding='c') == 1
    assert cos(b, rounding='c') == 1
    assert cos(a, rounding='f') < 1
    assert cos(b, rounding='f') < 1
    for f in [sin, atan, asinh, tanh]:
        assert f(a) == +a
        assert f(a, rounding='c') > a
        assert f(a, rounding='f') < a
        assert f(b) == +b
        assert f(b, rounding='c') > b
        assert f(b, rounding='f') < b
    for f in [asin, tan, sinh, atanh]:
        assert f(a) == +a
        assert f(b) == +b
        assert f(a, rounding='c') > a
        assert f(b, rounding='c') > b
        assert f(a, rounding='f') < a
        assert f(b, rounding='f') < b
    assert ln(c) == +a
    assert ln(d) == +b
    assert ln(c, rounding='c') > a
    assert ln(c, rounding='f') < a
    assert ln(d, rounding='c') > b
    assert ln(d, rounding='f') < b
    assert cosh(a) == 1
    assert cosh(b) == 1
    assert cosh(a, rounding='c') > 1
    assert cosh(b, rounding='c') > 1
    assert cosh(a, rounding='f') == 1
    assert cosh(b, rounding='f') == 1 
开发者ID:nsalomonis,项目名称:altanalyze,代码行数:45,代码来源:test_functions.py


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