Python numpy.PZERO属性代码示例

本文整理汇总了Python中numpy.PZERO属性的典型用法代码示例。如果您正苦于以下问题：Python numpy.PZERO属性的具体用法？Python numpy.PZERO怎么用？Python numpy.PZERO使用的例子？那么, 这里精选的属性代码示例或许可以为您提供帮助。您也可以进一步了解该属性所在类numpy的用法示例。

在下文中一共展示了numpy.PZERO属性的13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: test_constants

# 需要导入模块: import numpy [as 别名]
# 或者: from numpy import PZERO [as 别名]
def test_constants():
    assert chainerx.Inf is numpy.Inf
    assert chainerx.Infinity is numpy.Infinity
    assert chainerx.NAN is numpy.NAN
    assert chainerx.NINF is numpy.NINF
    assert chainerx.NZERO is numpy.NZERO
    assert chainerx.NaN is numpy.NaN
    assert chainerx.PINF is numpy.PINF
    assert chainerx.PZERO is numpy.PZERO
    assert chainerx.e is numpy.e
    assert chainerx.euler_gamma is numpy.euler_gamma
    assert chainerx.inf is numpy.inf
    assert chainerx.infty is numpy.infty
    assert chainerx.nan is numpy.nan
    assert chainerx.newaxis is numpy.newaxis
    assert chainerx.pi is numpy.pi

开发者ID:chainer，项目名称:chainer，代码行数:18，代码来源:test_constants.py

示例2: test_negative_zero

# 需要导入模块: import numpy [as 别名]
# 或者: from numpy import PZERO [as 别名]
def test_negative_zero(self):
        self._test_not_equal(np.PZERO, np.NZERO)

开发者ID:Frank-qlu，项目名称:recruit，代码行数:4，代码来源:test_utils.py

示例3: test_nan

# 需要导入模块: import numpy [as 别名]
# 或者: from numpy import PZERO [as 别名]
def test_nan(self):
        # Test that nan is 'far' from small, tiny, inf, max and min
        for dt in [np.float32, np.float64]:
            if dt == np.float32:
                maxulp = 1e6
            else:
                maxulp = 1e12
            inf = np.array([np.inf]).astype(dt)
            nan = np.array([np.nan]).astype(dt)
            big = np.array([np.finfo(dt).max])
            tiny = np.array([np.finfo(dt).tiny])
            zero = np.array([np.PZERO]).astype(dt)
            nzero = np.array([np.NZERO]).astype(dt)
            assert_raises(AssertionError,
                          lambda: assert_array_max_ulp(nan, inf,
                          maxulp=maxulp))
            assert_raises(AssertionError,
                          lambda: assert_array_max_ulp(nan, big,
                          maxulp=maxulp))
            assert_raises(AssertionError,
                          lambda: assert_array_max_ulp(nan, tiny,
                          maxulp=maxulp))
            assert_raises(AssertionError,
                          lambda: assert_array_max_ulp(nan, zero,
                          maxulp=maxulp))
            assert_raises(AssertionError,
                          lambda: assert_array_max_ulp(nan, nzero,
                          maxulp=maxulp))

开发者ID:Frank-qlu，项目名称:recruit，代码行数:30，代码来源:test_utils.py

示例4: test_simple

# 需要导入模块: import numpy [as 别名]
# 或者: from numpy import PZERO [as 别名]
def test_simple(self):
        check_real_value(ncu._arg, 1, 0, 0, False)
        check_real_value(ncu._arg, 0, 1, 0.5*np.pi, False)

        check_real_value(ncu._arg, 1, 1, 0.25*np.pi, False)
        check_real_value(ncu._arg, np.PZERO, np.PZERO, np.PZERO)

    # TODO This can be xfail when the generator functions are got rid of.

开发者ID:Frank-qlu，项目名称:recruit，代码行数:10，代码来源:test_umath_complex.py

示例5: test_zero

# 需要导入模块: import numpy [as 别名]
# 或者: from numpy import PZERO [as 别名]
def test_zero(self):
        # carg(-0 +- 0i) returns +- pi
        check_real_value(ncu._arg, np.NZERO, np.PZERO,  np.pi, False)
        check_real_value(ncu._arg, np.NZERO, np.NZERO, -np.pi, False)

        # carg(+0 +- 0i) returns +- 0
        check_real_value(ncu._arg, np.PZERO, np.PZERO, np.PZERO)
        check_real_value(ncu._arg, np.PZERO, np.NZERO, np.NZERO)

        # carg(x +- 0i) returns +- 0 for x > 0
        check_real_value(ncu._arg, 1, np.PZERO, np.PZERO, False)
        check_real_value(ncu._arg, 1, np.NZERO, np.NZERO, False)

        # carg(x +- 0i) returns +- pi for x < 0
        check_real_value(ncu._arg, -1, np.PZERO,  np.pi, False)
        check_real_value(ncu._arg, -1, np.NZERO, -np.pi, False)

        # carg(+- 0 + yi) returns pi/2 for y > 0
        check_real_value(ncu._arg, np.PZERO, 1, 0.5 * np.pi, False)
        check_real_value(ncu._arg, np.NZERO, 1, 0.5 * np.pi, False)

        # carg(+- 0 + yi) returns -pi/2 for y < 0
        check_real_value(ncu._arg, np.PZERO, -1, 0.5 * np.pi, False)
        check_real_value(ncu._arg, np.NZERO, -1, -0.5 * np.pi, False)

    #def test_branch_cuts(self):
    #    _check_branch_cut(ncu._arg, -1, 1j, -1, 1)

开发者ID:Frank-qlu，项目名称:recruit，代码行数:29，代码来源:test_umath_complex.py