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Python umath.maximum方法代码示例

本文整理汇总了Python中numpy.core.umath.maximum方法的典型用法代码示例。如果您正苦于以下问题:Python umath.maximum方法的具体用法?Python umath.maximum怎么用?Python umath.maximum使用的例子?那么, 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numpy.core.umath的用法示例。


在下文中一共展示了umath.maximum方法的14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_reduce

# 需要导入模块: from numpy.core import umath [as 别名]
# 或者: from numpy.core.umath import maximum [as 别名]
def test_reduce(self):
        dflt = np.typecodes['AllFloat']
        dint = np.typecodes['AllInteger']
        seq1 = np.arange(11)
        seq2 = seq1[::-1]
        func = np.maximum.reduce
        for dt in dint:
            tmp1 = seq1.astype(dt)
            tmp2 = seq2.astype(dt)
            assert_equal(func(tmp1), 10)
            assert_equal(func(tmp2), 10)
        for dt in dflt:
            tmp1 = seq1.astype(dt)
            tmp2 = seq2.astype(dt)
            assert_equal(func(tmp1), 10)
            assert_equal(func(tmp2), 10)
            tmp1[::2] = np.nan
            tmp2[::2] = np.nan
            assert_equal(func(tmp1), np.nan)
            assert_equal(func(tmp2), np.nan) 
开发者ID:Frank-qlu,项目名称:recruit,代码行数:22,代码来源:test_umath.py

示例2: test_truth_table_logical

# 需要导入模块: from numpy.core import umath [as 别名]
# 或者: from numpy.core.umath import maximum [as 别名]
def test_truth_table_logical(self):
        # 2, 3 and 4 serves as true values
        input1 = [0, 0, 3, 2]
        input2 = [0, 4, 0, 2]

        typecodes = (np.typecodes['AllFloat']
                     + np.typecodes['AllInteger']
                     + '?')     # boolean
        for dtype in map(np.dtype, typecodes):
            arg1 = np.asarray(input1, dtype=dtype)
            arg2 = np.asarray(input2, dtype=dtype)

            # OR
            out = [False, True, True, True]
            for func in (np.logical_or, np.maximum):
                assert_equal(func(arg1, arg2).astype(bool), out)
            # AND
            out = [False, False, False, True]
            for func in (np.logical_and, np.minimum):
                assert_equal(func(arg1, arg2).astype(bool), out)
            # XOR
            out = [False, True, True, False]
            for func in (np.logical_xor, np.not_equal):
                assert_equal(func(arg1, arg2).astype(bool), out) 
开发者ID:Frank-qlu,项目名称:recruit,代码行数:26,代码来源:test_umath.py

示例3: test_array_with_context

# 需要导入模块: from numpy.core import umath [as 别名]
# 或者: from numpy.core.umath import maximum [as 别名]
def test_array_with_context(self):
        class A(object):
            def __array__(self, dtype=None, context=None):
                func, args, i = context
                self.func = func
                self.args = args
                self.i = i
                return np.zeros(1)
        class B(object):
            def __array__(self, dtype=None):
                return np.zeros(1, dtype)
        class C(object):
            def __array__(self):
                return np.zeros(1)
        a = A()
        ncu.maximum(np.zeros(1), a)
        self.assertTrue(a.func is ncu.maximum)
        assert_equal(a.args[0], 0)
        self.assertTrue(a.args[1] is a)
        self.assertTrue(a.i == 1)
        assert_equal(ncu.maximum(a, B()), 0)
        assert_equal(ncu.maximum(a, C()), 0) 
开发者ID:ktraunmueller,项目名称:Computable,代码行数:24,代码来源:test_umath.py

示例4: test_reduce_complex

# 需要导入模块: from numpy.core import umath [as 别名]
# 或者: from numpy.core.umath import maximum [as 别名]
def test_reduce_complex(self):
        assert_equal(np.maximum.reduce([1, 2j]), 1)
        assert_equal(np.maximum.reduce([1+3j, 2j]), 1+3j) 
开发者ID:Frank-qlu,项目名称:recruit,代码行数:5,代码来源:test_umath.py

示例5: test_float_nans

# 需要导入模块: from numpy.core import umath [as 别名]
# 或者: from numpy.core.umath import maximum [as 别名]
def test_float_nans(self):
        nan = np.nan
        arg1 = np.array([0,   nan, nan])
        arg2 = np.array([nan, 0,   nan])
        out = np.array([nan, nan, nan])
        assert_equal(np.maximum(arg1, arg2), out) 
开发者ID:Frank-qlu,项目名称:recruit,代码行数:8,代码来源:test_umath.py

示例6: test_object_nans

# 需要导入模块: from numpy.core import umath [as 别名]
# 或者: from numpy.core.umath import maximum [as 别名]
def test_object_nans(self):
        # Multiple checks to give this a chance to
        # fail if cmp is used instead of rich compare.
        # Failure cannot be guaranteed.
        for i in range(1):
            x = np.array(float('nan'), object)
            y = 1.0
            z = np.array(float('nan'), object)
            assert_(np.maximum(x, y) == 1.0)
            assert_(np.maximum(z, y) == 1.0) 
开发者ID:Frank-qlu,项目名称:recruit,代码行数:12,代码来源:test_umath.py

示例7: test_complex_nans

# 需要导入模块: from numpy.core import umath [as 别名]
# 或者: from numpy.core.umath import maximum [as 别名]
def test_complex_nans(self):
        nan = np.nan
        for cnan in [complex(nan, 0), complex(0, nan), complex(nan, nan)]:
            arg1 = np.array([0, cnan, cnan], dtype=complex)
            arg2 = np.array([cnan, 0, cnan], dtype=complex)
            out = np.array([nan, nan, nan], dtype=complex)
            assert_equal(np.maximum(arg1, arg2), out) 
开发者ID:Frank-qlu,项目名称:recruit,代码行数:9,代码来源:test_umath.py

示例8: test_failing_wrap

# 需要导入模块: from numpy.core import umath [as 别名]
# 或者: from numpy.core.umath import maximum [as 别名]
def test_failing_wrap(self):

        class A(object):
            def __array__(self):
                return np.zeros(2)

            def __array_wrap__(self, arr, context):
                raise RuntimeError

        a = A()
        assert_raises(RuntimeError, ncu.maximum, a, a)
        assert_raises(RuntimeError, ncu.maximum.reduce, a) 
开发者ID:Frank-qlu,项目名称:recruit,代码行数:14,代码来源:test_umath.py

示例9: test_none_wrap

# 需要导入模块: from numpy.core import umath [as 别名]
# 或者: from numpy.core.umath import maximum [as 别名]
def test_none_wrap(self):
        # Tests that issue #8507 is resolved. Previously, this would segfault

        class A(object):
            def __array__(self):
                return np.zeros(1)

            def __array_wrap__(self, arr, context=None):
                return None

        a = A()
        assert_equal(ncu.maximum(a, a), None) 
开发者ID:Frank-qlu,项目名称:recruit,代码行数:14,代码来源:test_umath.py

示例10: test_failing_prepare

# 需要导入模块: from numpy.core import umath [as 别名]
# 或者: from numpy.core.umath import maximum [as 别名]
def test_failing_prepare(self):

        class A(object):
            def __array__(self):
                return np.zeros(1)

            def __array_prepare__(self, arr, context=None):
                raise RuntimeError

        a = A()
        assert_raises(RuntimeError, ncu.maximum, a, a) 
开发者ID:Frank-qlu,项目名称:recruit,代码行数:13,代码来源:test_umath.py

示例11: test_array_with_context

# 需要导入模块: from numpy.core import umath [as 别名]
# 或者: from numpy.core.umath import maximum [as 别名]
def test_array_with_context(self):

        class A(object):
            def __array__(self, dtype=None, context=None):
                func, args, i = context
                self.func = func
                self.args = args
                self.i = i
                return np.zeros(1)

        class B(object):
            def __array__(self, dtype=None):
                return np.zeros(1, dtype)

        class C(object):
            def __array__(self):
                return np.zeros(1)

        a = A()
        ncu.maximum(np.zeros(1), a)
        assert_(a.func is ncu.maximum)
        assert_equal(a.args[0], 0)
        assert_(a.args[1] is a)
        assert_(a.i == 1)
        assert_equal(ncu.maximum(a, B()), 0)
        assert_equal(ncu.maximum(a, C()), 0) 
开发者ID:Frank-qlu,项目名称:recruit,代码行数:28,代码来源:test_umath.py

示例12: test_object_nans

# 需要导入模块: from numpy.core import umath [as 别名]
# 或者: from numpy.core.umath import maximum [as 别名]
def test_object_nans(self):
        # Multiple checks to give this a chance to
        # fail if cmp is used instead of rich compare.
        # Failure cannot be guaranteed.
        for i in range(1):
            x = np.array(float('nan'), np.object)
            y = 1.0
            z = np.array(float('nan'), np.object)
            assert_(np.maximum(x, y) == 1.0)
            assert_(np.maximum(z, y) == 1.0) 
开发者ID:abhisuri97,项目名称:auto-alt-text-lambda-api,代码行数:12,代码来源:test_umath.py

示例13: test_complex_nans

# 需要导入模块: from numpy.core import umath [as 别名]
# 或者: from numpy.core.umath import maximum [as 别名]
def test_complex_nans(self):
        nan = np.nan
        for cnan in [complex(nan, 0), complex(0, nan), complex(nan, nan)]:
            arg1 = np.array([0, cnan, cnan], dtype=np.complex)
            arg2 = np.array([cnan, 0, cnan], dtype=np.complex)
            out = np.array([nan, nan, nan], dtype=np.complex)
            assert_equal(np.maximum(arg1, arg2), out) 
开发者ID:abhisuri97,项目名称:auto-alt-text-lambda-api,代码行数:9,代码来源:test_umath.py

示例14: test_failing_wrap

# 需要导入模块: from numpy.core import umath [as 别名]
# 或者: from numpy.core.umath import maximum [as 别名]
def test_failing_wrap(self):

        class A(object):
            def __array__(self):
                return np.zeros(1)

            def __array_wrap__(self, arr, context):
                raise RuntimeError

        a = A()
        self.assertRaises(RuntimeError, ncu.maximum, a, a) 
开发者ID:abhisuri97,项目名称:auto-alt-text-lambda-api,代码行数:13,代码来源:test_umath.py


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