Python numpy.core.umath.sign() Examples
The following are 30 code examples for showing how to use numpy.core.umath.sign(). These examples are extracted from open source projects. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example.
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Example 1
Project: recruit Author: Frank-qlu File: test_umath.py License: Apache License 2.0 | 5 votes |
def test_floor_division_signed_zero(self): # Check that the sign bit is correctly set when dividing positive and # negative zero by one. x = np.zeros(10) assert_equal(np.signbit(x//1), 0) assert_equal(np.signbit((-x)//1), 1)
Example 2
Project: recruit Author: Frank-qlu File: test_umath.py License: Apache License 2.0 | 5 votes |
def test_sign(self): a = np.array([np.inf, -np.inf, np.nan, 0.0, 3.0, -3.0]) out = np.zeros(a.shape) tgt = np.array([1., -1., np.nan, 0.0, 1.0, -1.0]) with np.errstate(invalid='ignore'): res = ncu.sign(a) assert_equal(res, tgt) res = ncu.sign(a, out) assert_equal(res, tgt) assert_equal(out, tgt)
Example 3
Project: recruit Author: Frank-qlu File: test_umath.py License: Apache License 2.0 | 5 votes |
def test_sign_dtype_object(self): # In reference to github issue #6229 foo = np.array([-.1, 0, .1]) a = np.sign(foo.astype(object)) b = np.sign(foo) assert_array_equal(a, b)
Example 4
Project: recruit Author: Frank-qlu File: test_umath.py License: Apache License 2.0 | 5 votes |
def test_sign_dtype_nan_object(self): # In reference to github issue #6229 def test_nan(): foo = np.array([np.nan]) # FIXME: a not used a = np.sign(foo.astype(object)) assert_raises(TypeError, test_nan)
Example 5
Project: auto-alt-text-lambda-api Author: abhisuri97 File: test_umath.py License: MIT License | 5 votes |
def test_sign(self): a = np.array([np.inf, -np.inf, np.nan, 0.0, 3.0, -3.0]) out = np.zeros(a.shape) tgt = np.array([1., -1., np.nan, 0.0, 1.0, -1.0]) with np.errstate(invalid='ignore'): res = ncu.sign(a) assert_equal(res, tgt) res = ncu.sign(a, out) assert_equal(res, tgt) assert_equal(out, tgt)
Example 6
Project: auto-alt-text-lambda-api Author: abhisuri97 File: test_umath.py License: MIT License | 5 votes |
def test_sign_dtype_object(self): # In reference to github issue #6229 foo = np.array([-.1, 0, .1]) a = np.sign(foo.astype(np.object)) b = np.sign(foo) assert_array_equal(a, b)
Example 7
Project: auto-alt-text-lambda-api Author: abhisuri97 File: test_umath.py License: MIT License | 5 votes |
def test_sign_dtype_nan_object(self): # In reference to github issue #6229 def test_nan(): foo = np.array([np.nan]) a = np.sign(foo.astype(np.object)) assert_raises(TypeError, test_nan)
Example 8
Project: vnpy_crypto Author: birforce File: test_umath.py License: MIT License | 5 votes |
def test_sign(self): a = np.array([np.inf, -np.inf, np.nan, 0.0, 3.0, -3.0]) out = np.zeros(a.shape) tgt = np.array([1., -1., np.nan, 0.0, 1.0, -1.0]) with np.errstate(invalid='ignore'): res = ncu.sign(a) assert_equal(res, tgt) res = ncu.sign(a, out) assert_equal(res, tgt) assert_equal(out, tgt)
Example 9
Project: vnpy_crypto Author: birforce File: test_umath.py License: MIT License | 5 votes |
def test_sign_dtype_object(self): # In reference to github issue #6229 foo = np.array([-.1, 0, .1]) a = np.sign(foo.astype(object)) b = np.sign(foo) assert_array_equal(a, b)
Example 10
Project: vnpy_crypto Author: birforce File: test_umath.py License: MIT License | 5 votes |
def test_sign_dtype_nan_object(self): # In reference to github issue #6229 def test_nan(): foo = np.array([np.nan]) a = np.sign(foo.astype(object)) assert_raises(TypeError, test_nan)
Example 11
Project: Computable Author: ktraunmueller File: test_umath.py License: MIT License | 5 votes |
def test_sign(self): a = np.array([np.inf, -np.inf, np.nan, 0.0, 3.0, -3.0]) out = np.zeros(a.shape) tgt = np.array([1., -1., np.nan, 0.0, 1.0, -1.0]) with np.errstate(invalid='ignore'): res = ncu.sign(a) assert_equal(res, tgt) res = ncu.sign(a, out) assert_equal(res, tgt) assert_equal(out, tgt)
Example 12
Project: Mastering-Elasticsearch-7.0 Author: PacktPublishing File: test_umath.py License: MIT License | 5 votes |
def test_floor_division_signed_zero(self): # Check that the sign bit is correctly set when dividing positive and # negative zero by one. x = np.zeros(10) assert_equal(np.signbit(x//1), 0) assert_equal(np.signbit((-x)//1), 1)
Example 13
Project: Mastering-Elasticsearch-7.0 Author: PacktPublishing File: test_umath.py License: MIT License | 5 votes |
def test_sign(self): a = np.array([np.inf, -np.inf, np.nan, 0.0, 3.0, -3.0]) out = np.zeros(a.shape) tgt = np.array([1., -1., np.nan, 0.0, 1.0, -1.0]) with np.errstate(invalid='ignore'): res = ncu.sign(a) assert_equal(res, tgt) res = ncu.sign(a, out) assert_equal(res, tgt) assert_equal(out, tgt)
Example 14
Project: Mastering-Elasticsearch-7.0 Author: PacktPublishing File: test_umath.py License: MIT License | 5 votes |
def test_sign_dtype_object(self): # In reference to github issue #6229 foo = np.array([-.1, 0, .1]) a = np.sign(foo.astype(object)) b = np.sign(foo) assert_array_equal(a, b)
Example 15
Project: Mastering-Elasticsearch-7.0 Author: PacktPublishing File: test_umath.py License: MIT License | 5 votes |
def test_sign_dtype_nan_object(self): # In reference to github issue #6229 def test_nan(): foo = np.array([np.nan]) # FIXME: a not used a = np.sign(foo.astype(object)) assert_raises(TypeError, test_nan)
Example 16
Project: GraphicDesignPatternByPython Author: Relph1119 File: test_umath.py License: MIT License | 5 votes |
def test_sign(self): a = np.array([np.inf, -np.inf, np.nan, 0.0, 3.0, -3.0]) out = np.zeros(a.shape) tgt = np.array([1., -1., np.nan, 0.0, 1.0, -1.0]) with np.errstate(invalid='ignore'): res = ncu.sign(a) assert_equal(res, tgt) res = ncu.sign(a, out) assert_equal(res, tgt) assert_equal(out, tgt)
Example 17
Project: GraphicDesignPatternByPython Author: Relph1119 File: test_umath.py License: MIT License | 5 votes |
def test_sign_dtype_object(self): # In reference to github issue #6229 foo = np.array([-.1, 0, .1]) a = np.sign(foo.astype(object)) b = np.sign(foo) assert_array_equal(a, b)
Example 18
Project: GraphicDesignPatternByPython Author: Relph1119 File: test_umath.py License: MIT License | 5 votes |
def test_sign_dtype_nan_object(self): # In reference to github issue #6229 def test_nan(): foo = np.array([np.nan]) a = np.sign(foo.astype(object)) assert_raises(TypeError, test_nan)
Example 19
Project: predictive-maintenance-using-machine-learning Author: awslabs File: test_umath.py License: Apache License 2.0 | 5 votes |
def test_floor_division_signed_zero(self): # Check that the sign bit is correctly set when dividing positive and # negative zero by one. x = np.zeros(10) assert_equal(np.signbit(x//1), 0) assert_equal(np.signbit((-x)//1), 1)
Example 20
Project: predictive-maintenance-using-machine-learning Author: awslabs File: test_umath.py License: Apache License 2.0 | 5 votes |
def test_sign(self): a = np.array([np.inf, -np.inf, np.nan, 0.0, 3.0, -3.0]) out = np.zeros(a.shape) tgt = np.array([1., -1., np.nan, 0.0, 1.0, -1.0]) with np.errstate(invalid='ignore'): res = ncu.sign(a) assert_equal(res, tgt) res = ncu.sign(a, out) assert_equal(res, tgt) assert_equal(out, tgt)
Example 21
Project: predictive-maintenance-using-machine-learning Author: awslabs File: test_umath.py License: Apache License 2.0 | 5 votes |
def test_sign_dtype_object(self): # In reference to github issue #6229 foo = np.array([-.1, 0, .1]) a = np.sign(foo.astype(object)) b = np.sign(foo) assert_array_equal(a, b)
Example 22
Project: predictive-maintenance-using-machine-learning Author: awslabs File: test_umath.py License: Apache License 2.0 | 5 votes |
def test_sign_dtype_nan_object(self): # In reference to github issue #6229 def test_nan(): foo = np.array([np.nan]) # FIXME: a not used a = np.sign(foo.astype(object)) assert_raises(TypeError, test_nan)
Example 23
Project: pySINDy Author: luckystarufo File: test_umath.py License: MIT License | 5 votes |
def test_sign(self): a = np.array([np.inf, -np.inf, np.nan, 0.0, 3.0, -3.0]) out = np.zeros(a.shape) tgt = np.array([1., -1., np.nan, 0.0, 1.0, -1.0]) with np.errstate(invalid='ignore'): res = ncu.sign(a) assert_equal(res, tgt) res = ncu.sign(a, out) assert_equal(res, tgt) assert_equal(out, tgt)
Example 24
Project: pySINDy Author: luckystarufo File: test_umath.py License: MIT License | 5 votes |
def test_sign_dtype_object(self): # In reference to github issue #6229 foo = np.array([-.1, 0, .1]) a = np.sign(foo.astype(object)) b = np.sign(foo) assert_array_equal(a, b)
Example 25
Project: pySINDy Author: luckystarufo File: test_umath.py License: MIT License | 5 votes |
def test_sign_dtype_nan_object(self): # In reference to github issue #6229 def test_nan(): foo = np.array([np.nan]) a = np.sign(foo.astype(object)) assert_raises(TypeError, test_nan)
Example 26
Project: mxnet-lambda Author: awslabs File: test_umath.py License: Apache License 2.0 | 5 votes |
def test_sign(self): a = np.array([np.inf, -np.inf, np.nan, 0.0, 3.0, -3.0]) out = np.zeros(a.shape) tgt = np.array([1., -1., np.nan, 0.0, 1.0, -1.0]) with np.errstate(invalid='ignore'): res = ncu.sign(a) assert_equal(res, tgt) res = ncu.sign(a, out) assert_equal(res, tgt) assert_equal(out, tgt)
Example 27
Project: mxnet-lambda Author: awslabs File: test_umath.py License: Apache License 2.0 | 5 votes |
def test_sign_dtype_object(self): # In reference to github issue #6229 foo = np.array([-.1, 0, .1]) a = np.sign(foo.astype(np.object)) b = np.sign(foo) assert_array_equal(a, b)
Example 28
Project: mxnet-lambda Author: awslabs File: test_umath.py License: Apache License 2.0 | 5 votes |
def test_sign_dtype_nan_object(self): # In reference to github issue #6229 def test_nan(): foo = np.array([np.nan]) a = np.sign(foo.astype(np.object)) assert_raises(TypeError, test_nan)
Example 29
Project: ImageFusion Author: pfchai File: test_umath.py License: MIT License | 5 votes |
def test_sign(self): a = np.array([np.inf, -np.inf, np.nan, 0.0, 3.0, -3.0]) out = np.zeros(a.shape) tgt = np.array([1., -1., np.nan, 0.0, 1.0, -1.0]) with np.errstate(invalid='ignore'): res = ncu.sign(a) assert_equal(res, tgt) res = ncu.sign(a, out) assert_equal(res, tgt) assert_equal(out, tgt)
Example 30
Project: elasticintel Author: securityclippy File: test_umath.py License: GNU General Public License v3.0 | 5 votes |
def test_sign(self): a = np.array([np.inf, -np.inf, np.nan, 0.0, 3.0, -3.0]) out = np.zeros(a.shape) tgt = np.array([1., -1., np.nan, 0.0, 1.0, -1.0]) with np.errstate(invalid='ignore'): res = ncu.sign(a) assert_equal(res, tgt) res = ncu.sign(a, out) assert_equal(res, tgt) assert_equal(out, tgt)