Python numpy.PZERO屬性代碼示例

本文整理匯總了Python中numpy.PZERO屬性的典型用法代碼示例。如果您正苦於以下問題：Python numpy.PZERO屬性的具體用法？Python numpy.PZERO怎麽用？Python numpy.PZERO使用的例子？那麽, 這裏精選的屬性代碼示例或許可以為您提供幫助。您也可以進一步了解該屬性所在類numpy的用法示例。

在下文中一共展示了numpy.PZERO屬性的13個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Python代碼示例。

示例1: test_constants

# 需要導入模塊: import numpy [as 別名]
# 或者: from numpy import PZERO [as 別名]
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

開發者ID:chainer，項目名稱:chainer，代碼行數:18，代碼來源:test_constants.py

示例2: test_negative_zero

# 需要導入模塊: import numpy [as 別名]
# 或者: from numpy import PZERO [as 別名]
def test_negative_zero(self):
        self._test_not_equal(np.PZERO, np.NZERO)

開發者ID:Frank-qlu，項目名稱:recruit，代碼行數:4，代碼來源:test_utils.py

示例3: test_nan

# 需要導入模塊: import numpy [as 別名]
# 或者: from numpy import PZERO [as 別名]
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))

開發者ID:Frank-qlu，項目名稱:recruit，代碼行數:30，代碼來源:test_utils.py

示例4: test_simple

# 需要導入模塊: import numpy [as 別名]
# 或者: from numpy import PZERO [as 別名]
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.

開發者ID:Frank-qlu，項目名稱:recruit，代碼行數:10，代碼來源:test_umath_complex.py

示例5: test_zero

# 需要導入模塊: import numpy [as 別名]
# 或者: from numpy import PZERO [as 別名]
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)

開發者ID:Frank-qlu，項目名稱:recruit，代碼行數:29，代碼來源:test_umath_complex.py