Python numpy.infi() Examples
The following are 30
code examples of numpy.infi().
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Example #1
| Source File: test_umath_complex.py From pySINDy with MIT License | 5 votes |
|
def test_special_values(self):
# carg(-np.inf +- yi) returns +-pi for finite y > 0
check_real_value(ncu._arg, -np.inf, 1, np.pi, False)
check_real_value(ncu._arg, -np.inf, -1, -np.pi, False)
# carg(np.inf +- yi) returns +-0 for finite y > 0
check_real_value(ncu._arg, np.inf, 1, np.PZERO, False)
check_real_value(ncu._arg, np.inf, -1, np.NZERO, False)
# carg(x +- np.infi) returns +-pi/2 for finite x
check_real_value(ncu._arg, 1, np.inf, 0.5 * np.pi, False)
check_real_value(ncu._arg, 1, -np.inf, -0.5 * np.pi, False)
# carg(-np.inf +- np.infi) returns +-3pi/4
check_real_value(ncu._arg, -np.inf, np.inf, 0.75 * np.pi, False)
check_real_value(ncu._arg, -np.inf, -np.inf, -0.75 * np.pi, False)
# carg(np.inf +- np.infi) returns +-pi/4
check_real_value(ncu._arg, np.inf, np.inf, 0.25 * np.pi, False)
check_real_value(ncu._arg, np.inf, -np.inf, -0.25 * np.pi, False)
# carg(x + yi) returns np.nan if x or y is nan
check_real_value(ncu._arg, np.nan, 0, np.nan, False)
check_real_value(ncu._arg, 0, np.nan, np.nan, False)
check_real_value(ncu._arg, np.nan, np.inf, np.nan, False)
check_real_value(ncu._arg, np.inf, np.nan, np.nan, False)
Example #2
| Source File: test_umath_complex.py From keras-lambda with MIT License | 5 votes |
|
def test_special_values(self):
# carg(-np.inf +- yi) returns +-pi for finite y > 0
yield check_real_value, ncu._arg, -np.inf, 1, np.pi, False
yield check_real_value, ncu._arg, -np.inf, -1, -np.pi, False
# carg(np.inf +- yi) returns +-0 for finite y > 0
yield check_real_value, ncu._arg, np.inf, 1, np.PZERO, False
yield check_real_value, ncu._arg, np.inf, -1, np.NZERO, False
# carg(x +- np.infi) returns +-pi/2 for finite x
yield check_real_value, ncu._arg, 1, np.inf, 0.5 * np.pi, False
yield check_real_value, ncu._arg, 1, -np.inf, -0.5 * np.pi, False
# carg(-np.inf +- np.infi) returns +-3pi/4
yield check_real_value, ncu._arg, -np.inf, np.inf, 0.75 * np.pi, False
yield check_real_value, ncu._arg, -np.inf, -np.inf, -0.75 * np.pi, False
# carg(np.inf +- np.infi) returns +-pi/4
yield check_real_value, ncu._arg, np.inf, np.inf, 0.25 * np.pi, False
yield check_real_value, ncu._arg, np.inf, -np.inf, -0.25 * np.pi, False
# carg(x + yi) returns np.nan if x or y is nan
yield check_real_value, ncu._arg, np.nan, 0, np.nan, False
yield check_real_value, ncu._arg, 0, np.nan, np.nan, False
yield check_real_value, ncu._arg, np.nan, np.inf, np.nan, False
yield check_real_value, ncu._arg, np.inf, np.nan, np.nan, False
Example #3
| Source File: test_umath_complex.py From twitter-stock-recommendation with MIT License | 5 votes |
|
def test_special_values(self):
# carg(-np.inf +- yi) returns +-pi for finite y > 0
check_real_value(ncu._arg, -np.inf, 1, np.pi, False)
check_real_value(ncu._arg, -np.inf, -1, -np.pi, False)
# carg(np.inf +- yi) returns +-0 for finite y > 0
check_real_value(ncu._arg, np.inf, 1, np.PZERO, False)
check_real_value(ncu._arg, np.inf, -1, np.NZERO, False)
# carg(x +- np.infi) returns +-pi/2 for finite x
check_real_value(ncu._arg, 1, np.inf, 0.5 * np.pi, False)
check_real_value(ncu._arg, 1, -np.inf, -0.5 * np.pi, False)
# carg(-np.inf +- np.infi) returns +-3pi/4
check_real_value(ncu._arg, -np.inf, np.inf, 0.75 * np.pi, False)
check_real_value(ncu._arg, -np.inf, -np.inf, -0.75 * np.pi, False)
# carg(np.inf +- np.infi) returns +-pi/4
check_real_value(ncu._arg, np.inf, np.inf, 0.25 * np.pi, False)
check_real_value(ncu._arg, np.inf, -np.inf, -0.25 * np.pi, False)
# carg(x + yi) returns np.nan if x or y is nan
check_real_value(ncu._arg, np.nan, 0, np.nan, False)
check_real_value(ncu._arg, 0, np.nan, np.nan, False)
check_real_value(ncu._arg, np.nan, np.inf, np.nan, False)
check_real_value(ncu._arg, np.inf, np.nan, np.nan, False)
Example #4
| Source File: test_umath_complex.py From Serverless-Deep-Learning-with-TensorFlow-and-AWS-Lambda with MIT License | 5 votes |
|
def test_special_values(self):
# carg(-np.inf +- yi) returns +-pi for finite y > 0
check_real_value(ncu._arg, -np.inf, 1, np.pi, False)
check_real_value(ncu._arg, -np.inf, -1, -np.pi, False)
# carg(np.inf +- yi) returns +-0 for finite y > 0
check_real_value(ncu._arg, np.inf, 1, np.PZERO, False)
check_real_value(ncu._arg, np.inf, -1, np.NZERO, False)
# carg(x +- np.infi) returns +-pi/2 for finite x
check_real_value(ncu._arg, 1, np.inf, 0.5 * np.pi, False)
check_real_value(ncu._arg, 1, -np.inf, -0.5 * np.pi, False)
# carg(-np.inf +- np.infi) returns +-3pi/4
check_real_value(ncu._arg, -np.inf, np.inf, 0.75 * np.pi, False)
check_real_value(ncu._arg, -np.inf, -np.inf, -0.75 * np.pi, False)
# carg(np.inf +- np.infi) returns +-pi/4
check_real_value(ncu._arg, np.inf, np.inf, 0.25 * np.pi, False)
check_real_value(ncu._arg, np.inf, -np.inf, -0.25 * np.pi, False)
# carg(x + yi) returns np.nan if x or y is nan
check_real_value(ncu._arg, np.nan, 0, np.nan, False)
check_real_value(ncu._arg, 0, np.nan, np.nan, False)
check_real_value(ncu._arg, np.nan, np.inf, np.nan, False)
check_real_value(ncu._arg, np.inf, np.nan, np.nan, False)
Example #5
| Source File: test_umath_complex.py From coffeegrindsize with MIT License | 5 votes |
|
def test_special_values(self):
# carg(-np.inf +- yi) returns +-pi for finite y > 0
check_real_value(ncu._arg, -np.inf, 1, np.pi, False)
check_real_value(ncu._arg, -np.inf, -1, -np.pi, False)
# carg(np.inf +- yi) returns +-0 for finite y > 0
check_real_value(ncu._arg, np.inf, 1, np.PZERO, False)
check_real_value(ncu._arg, np.inf, -1, np.NZERO, False)
# carg(x +- np.infi) returns +-pi/2 for finite x
check_real_value(ncu._arg, 1, np.inf, 0.5 * np.pi, False)
check_real_value(ncu._arg, 1, -np.inf, -0.5 * np.pi, False)
# carg(-np.inf +- np.infi) returns +-3pi/4
check_real_value(ncu._arg, -np.inf, np.inf, 0.75 * np.pi, False)
check_real_value(ncu._arg, -np.inf, -np.inf, -0.75 * np.pi, False)
# carg(np.inf +- np.infi) returns +-pi/4
check_real_value(ncu._arg, np.inf, np.inf, 0.25 * np.pi, False)
check_real_value(ncu._arg, np.inf, -np.inf, -0.25 * np.pi, False)
# carg(x + yi) returns np.nan if x or y is nan
check_real_value(ncu._arg, np.nan, 0, np.nan, False)
check_real_value(ncu._arg, 0, np.nan, np.nan, False)
check_real_value(ncu._arg, np.nan, np.inf, np.nan, False)
check_real_value(ncu._arg, np.inf, np.nan, np.nan, False)
Example #6
| Source File: test_umath_complex.py From elasticintel with GNU General Public License v3.0 | 5 votes |
|
def test_special_values(self):
# carg(-np.inf +- yi) returns +-pi for finite y > 0
yield check_real_value, ncu._arg, -np.inf, 1, np.pi, False
yield check_real_value, ncu._arg, -np.inf, -1, -np.pi, False
# carg(np.inf +- yi) returns +-0 for finite y > 0
yield check_real_value, ncu._arg, np.inf, 1, np.PZERO, False
yield check_real_value, ncu._arg, np.inf, -1, np.NZERO, False
# carg(x +- np.infi) returns +-pi/2 for finite x
yield check_real_value, ncu._arg, 1, np.inf, 0.5 * np.pi, False
yield check_real_value, ncu._arg, 1, -np.inf, -0.5 * np.pi, False
# carg(-np.inf +- np.infi) returns +-3pi/4
yield check_real_value, ncu._arg, -np.inf, np.inf, 0.75 * np.pi, False
yield check_real_value, ncu._arg, -np.inf, -np.inf, -0.75 * np.pi, False
# carg(np.inf +- np.infi) returns +-pi/4
yield check_real_value, ncu._arg, np.inf, np.inf, 0.25 * np.pi, False
yield check_real_value, ncu._arg, np.inf, -np.inf, -0.25 * np.pi, False
# carg(x + yi) returns np.nan if x or y is nan
yield check_real_value, ncu._arg, np.nan, 0, np.nan, False
yield check_real_value, ncu._arg, 0, np.nan, np.nan, False
yield check_real_value, ncu._arg, np.nan, np.inf, np.nan, False
yield check_real_value, ncu._arg, np.inf, np.nan, np.nan, False
Example #7
| Source File: test_umath_complex.py From ImageFusion with MIT License | 5 votes |
|
def test_special_values(self):
# carg(-np.inf +- yi) returns +-pi for finite y > 0
yield check_real_value, ncu._arg, -np.inf, 1, np.pi, False
yield check_real_value, ncu._arg, -np.inf, -1, -np.pi, False
# carg(np.inf +- yi) returns +-0 for finite y > 0
yield check_real_value, ncu._arg, np.inf, 1, np.PZERO, False
yield check_real_value, ncu._arg, np.inf, -1, np.NZERO, False
# carg(x +- np.infi) returns +-pi/2 for finite x
yield check_real_value, ncu._arg, 1, np.inf, 0.5 * np.pi, False
yield check_real_value, ncu._arg, 1, -np.inf, -0.5 * np.pi, False
# carg(-np.inf +- np.infi) returns +-3pi/4
yield check_real_value, ncu._arg, -np.inf, np.inf, 0.75 * np.pi, False
yield check_real_value, ncu._arg, -np.inf, -np.inf, -0.75 * np.pi, False
# carg(np.inf +- np.infi) returns +-pi/4
yield check_real_value, ncu._arg, np.inf, np.inf, 0.25 * np.pi, False
yield check_real_value, ncu._arg, np.inf, -np.inf, -0.25 * np.pi, False
# carg(x + yi) returns np.nan if x or y is nan
yield check_real_value, ncu._arg, np.nan, 0, np.nan, False
yield check_real_value, ncu._arg, 0, np.nan, np.nan, False
yield check_real_value, ncu._arg, np.nan, np.inf, np.nan, False
yield check_real_value, ncu._arg, np.inf, np.nan, np.nan, False
Example #8
| Source File: test_umath_complex.py From mxnet-lambda with Apache License 2.0 | 5 votes |
|
def test_special_values(self):
# carg(-np.inf +- yi) returns +-pi for finite y > 0
yield check_real_value, ncu._arg, -np.inf, 1, np.pi, False
yield check_real_value, ncu._arg, -np.inf, -1, -np.pi, False
# carg(np.inf +- yi) returns +-0 for finite y > 0
yield check_real_value, ncu._arg, np.inf, 1, np.PZERO, False
yield check_real_value, ncu._arg, np.inf, -1, np.NZERO, False
# carg(x +- np.infi) returns +-pi/2 for finite x
yield check_real_value, ncu._arg, 1, np.inf, 0.5 * np.pi, False
yield check_real_value, ncu._arg, 1, -np.inf, -0.5 * np.pi, False
# carg(-np.inf +- np.infi) returns +-3pi/4
yield check_real_value, ncu._arg, -np.inf, np.inf, 0.75 * np.pi, False
yield check_real_value, ncu._arg, -np.inf, -np.inf, -0.75 * np.pi, False
# carg(np.inf +- np.infi) returns +-pi/4
yield check_real_value, ncu._arg, np.inf, np.inf, 0.25 * np.pi, False
yield check_real_value, ncu._arg, np.inf, -np.inf, -0.25 * np.pi, False
# carg(x + yi) returns np.nan if x or y is nan
yield check_real_value, ncu._arg, np.nan, 0, np.nan, False
yield check_real_value, ncu._arg, 0, np.nan, np.nan, False
yield check_real_value, ncu._arg, np.nan, np.inf, np.nan, False
yield check_real_value, ncu._arg, np.inf, np.nan, np.nan, False
Example #9
| Source File: test_umath_complex.py From predictive-maintenance-using-machine-learning with Apache License 2.0 | 5 votes |
|
def test_special_values(self):
# carg(-np.inf +- yi) returns +-pi for finite y > 0
check_real_value(ncu._arg, -np.inf, 1, np.pi, False)
check_real_value(ncu._arg, -np.inf, -1, -np.pi, False)
# carg(np.inf +- yi) returns +-0 for finite y > 0
check_real_value(ncu._arg, np.inf, 1, np.PZERO, False)
check_real_value(ncu._arg, np.inf, -1, np.NZERO, False)
# carg(x +- np.infi) returns +-pi/2 for finite x
check_real_value(ncu._arg, 1, np.inf, 0.5 * np.pi, False)
check_real_value(ncu._arg, 1, -np.inf, -0.5 * np.pi, False)
# carg(-np.inf +- np.infi) returns +-3pi/4
check_real_value(ncu._arg, -np.inf, np.inf, 0.75 * np.pi, False)
check_real_value(ncu._arg, -np.inf, -np.inf, -0.75 * np.pi, False)
# carg(np.inf +- np.infi) returns +-pi/4
check_real_value(ncu._arg, np.inf, np.inf, 0.25 * np.pi, False)
check_real_value(ncu._arg, np.inf, -np.inf, -0.25 * np.pi, False)
# carg(x + yi) returns np.nan if x or y is nan
check_real_value(ncu._arg, np.nan, 0, np.nan, False)
check_real_value(ncu._arg, 0, np.nan, np.nan, False)
check_real_value(ncu._arg, np.nan, np.inf, np.nan, False)
check_real_value(ncu._arg, np.inf, np.nan, np.nan, False)
Example #10
| Source File: test_umath_complex.py From GraphicDesignPatternByPython with MIT License | 5 votes |
|
def test_special_values(self):
# carg(-np.inf +- yi) returns +-pi for finite y > 0
check_real_value(ncu._arg, -np.inf, 1, np.pi, False)
check_real_value(ncu._arg, -np.inf, -1, -np.pi, False)
# carg(np.inf +- yi) returns +-0 for finite y > 0
check_real_value(ncu._arg, np.inf, 1, np.PZERO, False)
check_real_value(ncu._arg, np.inf, -1, np.NZERO, False)
# carg(x +- np.infi) returns +-pi/2 for finite x
check_real_value(ncu._arg, 1, np.inf, 0.5 * np.pi, False)
check_real_value(ncu._arg, 1, -np.inf, -0.5 * np.pi, False)
# carg(-np.inf +- np.infi) returns +-3pi/4
check_real_value(ncu._arg, -np.inf, np.inf, 0.75 * np.pi, False)
check_real_value(ncu._arg, -np.inf, -np.inf, -0.75 * np.pi, False)
# carg(np.inf +- np.infi) returns +-pi/4
check_real_value(ncu._arg, np.inf, np.inf, 0.25 * np.pi, False)
check_real_value(ncu._arg, np.inf, -np.inf, -0.25 * np.pi, False)
# carg(x + yi) returns np.nan if x or y is nan
check_real_value(ncu._arg, np.nan, 0, np.nan, False)
check_real_value(ncu._arg, 0, np.nan, np.nan, False)
check_real_value(ncu._arg, np.nan, np.inf, np.nan, False)
check_real_value(ncu._arg, np.inf, np.nan, np.nan, False)
Example #11
| Source File: test_umath_complex.py From Mastering-Elasticsearch-7.0 with MIT License | 5 votes |
|
def test_special_values(self):
# carg(-np.inf +- yi) returns +-pi for finite y > 0
check_real_value(ncu._arg, -np.inf, 1, np.pi, False)
check_real_value(ncu._arg, -np.inf, -1, -np.pi, False)
# carg(np.inf +- yi) returns +-0 for finite y > 0
check_real_value(ncu._arg, np.inf, 1, np.PZERO, False)
check_real_value(ncu._arg, np.inf, -1, np.NZERO, False)
# carg(x +- np.infi) returns +-pi/2 for finite x
check_real_value(ncu._arg, 1, np.inf, 0.5 * np.pi, False)
check_real_value(ncu._arg, 1, -np.inf, -0.5 * np.pi, False)
# carg(-np.inf +- np.infi) returns +-3pi/4
check_real_value(ncu._arg, -np.inf, np.inf, 0.75 * np.pi, False)
check_real_value(ncu._arg, -np.inf, -np.inf, -0.75 * np.pi, False)
# carg(np.inf +- np.infi) returns +-pi/4
check_real_value(ncu._arg, np.inf, np.inf, 0.25 * np.pi, False)
check_real_value(ncu._arg, np.inf, -np.inf, -0.25 * np.pi, False)
# carg(x + yi) returns np.nan if x or y is nan
check_real_value(ncu._arg, np.nan, 0, np.nan, False)
check_real_value(ncu._arg, 0, np.nan, np.nan, False)
check_real_value(ncu._arg, np.nan, np.inf, np.nan, False)
check_real_value(ncu._arg, np.inf, np.nan, np.nan, False)
Example #12
| Source File: test_umath_complex.py From recruit with Apache License 2.0 | 5 votes |
|
def test_special_values(self):
# carg(-np.inf +- yi) returns +-pi for finite y > 0
check_real_value(ncu._arg, -np.inf, 1, np.pi, False)
check_real_value(ncu._arg, -np.inf, -1, -np.pi, False)
# carg(np.inf +- yi) returns +-0 for finite y > 0
check_real_value(ncu._arg, np.inf, 1, np.PZERO, False)
check_real_value(ncu._arg, np.inf, -1, np.NZERO, False)
# carg(x +- np.infi) returns +-pi/2 for finite x
check_real_value(ncu._arg, 1, np.inf, 0.5 * np.pi, False)
check_real_value(ncu._arg, 1, -np.inf, -0.5 * np.pi, False)
# carg(-np.inf +- np.infi) returns +-3pi/4
check_real_value(ncu._arg, -np.inf, np.inf, 0.75 * np.pi, False)
check_real_value(ncu._arg, -np.inf, -np.inf, -0.75 * np.pi, False)
# carg(np.inf +- np.infi) returns +-pi/4
check_real_value(ncu._arg, np.inf, np.inf, 0.25 * np.pi, False)
check_real_value(ncu._arg, np.inf, -np.inf, -0.25 * np.pi, False)
# carg(x + yi) returns np.nan if x or y is nan
check_real_value(ncu._arg, np.nan, 0, np.nan, False)
check_real_value(ncu._arg, 0, np.nan, np.nan, False)
check_real_value(ncu._arg, np.nan, np.inf, np.nan, False)
check_real_value(ncu._arg, np.inf, np.nan, np.nan, False)
Example #13
| Source File: test_umath_complex.py From auto-alt-text-lambda-api with MIT License | 5 votes |
|
def test_special_values(self):
# carg(-np.inf +- yi) returns +-pi for finite y > 0
yield check_real_value, ncu._arg, -np.inf, 1, np.pi, False
yield check_real_value, ncu._arg, -np.inf, -1, -np.pi, False
# carg(np.inf +- yi) returns +-0 for finite y > 0
yield check_real_value, ncu._arg, np.inf, 1, np.PZERO, False
yield check_real_value, ncu._arg, np.inf, -1, np.NZERO, False
# carg(x +- np.infi) returns +-pi/2 for finite x
yield check_real_value, ncu._arg, 1, np.inf, 0.5 * np.pi, False
yield check_real_value, ncu._arg, 1, -np.inf, -0.5 * np.pi, False
# carg(-np.inf +- np.infi) returns +-3pi/4
yield check_real_value, ncu._arg, -np.inf, np.inf, 0.75 * np.pi, False
yield check_real_value, ncu._arg, -np.inf, -np.inf, -0.75 * np.pi, False
# carg(np.inf +- np.infi) returns +-pi/4
yield check_real_value, ncu._arg, np.inf, np.inf, 0.25 * np.pi, False
yield check_real_value, ncu._arg, np.inf, -np.inf, -0.25 * np.pi, False
# carg(x + yi) returns np.nan if x or y is nan
yield check_real_value, ncu._arg, np.nan, 0, np.nan, False
yield check_real_value, ncu._arg, 0, np.nan, np.nan, False
yield check_real_value, ncu._arg, np.nan, np.inf, np.nan, False
yield check_real_value, ncu._arg, np.inf, np.nan, np.nan, False
Example #14
| Source File: test_umath_complex.py From vnpy_crypto with MIT License | 5 votes |
|
def test_special_values(self):
# carg(-np.inf +- yi) returns +-pi for finite y > 0
yield check_real_value, ncu._arg, -np.inf, 1, np.pi, False
yield check_real_value, ncu._arg, -np.inf, -1, -np.pi, False
# carg(np.inf +- yi) returns +-0 for finite y > 0
yield check_real_value, ncu._arg, np.inf, 1, np.PZERO, False
yield check_real_value, ncu._arg, np.inf, -1, np.NZERO, False
# carg(x +- np.infi) returns +-pi/2 for finite x
yield check_real_value, ncu._arg, 1, np.inf, 0.5 * np.pi, False
yield check_real_value, ncu._arg, 1, -np.inf, -0.5 * np.pi, False
# carg(-np.inf +- np.infi) returns +-3pi/4
yield check_real_value, ncu._arg, -np.inf, np.inf, 0.75 * np.pi, False
yield check_real_value, ncu._arg, -np.inf, -np.inf, -0.75 * np.pi, False
# carg(np.inf +- np.infi) returns +-pi/4
yield check_real_value, ncu._arg, np.inf, np.inf, 0.25 * np.pi, False
yield check_real_value, ncu._arg, np.inf, -np.inf, -0.25 * np.pi, False
# carg(x + yi) returns np.nan if x or y is nan
yield check_real_value, ncu._arg, np.nan, 0, np.nan, False
yield check_real_value, ncu._arg, 0, np.nan, np.nan, False
yield check_real_value, ncu._arg, np.nan, np.inf, np.nan, False
yield check_real_value, ncu._arg, np.inf, np.nan, np.nan, False
Example #15
| Source File: test_umath_complex.py From Computable with MIT License | 5 votes |
|
def test_special_values(self):
# carg(-np.inf +- yi) returns +-pi for finite y > 0
yield check_real_value, ncu._arg, -np.inf, 1, np.pi, False
yield check_real_value, ncu._arg, -np.inf, -1, -np.pi, False
# carg(np.inf +- yi) returns +-0 for finite y > 0
yield check_real_value, ncu._arg, np.inf, 1, np.PZERO, False
yield check_real_value, ncu._arg, np.inf, -1, np.NZERO, False
# carg(x +- np.infi) returns +-pi/2 for finite x
yield check_real_value, ncu._arg, 1, np.inf, 0.5 * np.pi, False
yield check_real_value, ncu._arg, 1, -np.inf, -0.5 * np.pi, False
# carg(-np.inf +- np.infi) returns +-3pi/4
yield check_real_value, ncu._arg, -np.inf, np.inf, 0.75 * np.pi, False
yield check_real_value, ncu._arg, -np.inf, -np.inf, -0.75 * np.pi, False
# carg(np.inf +- np.infi) returns +-pi/4
yield check_real_value, ncu._arg, np.inf, np.inf, 0.25 * np.pi, False
yield check_real_value, ncu._arg, np.inf, -np.inf, -0.25 * np.pi, False
# carg(x + yi) returns np.nan if x or y is nan
yield check_real_value, ncu._arg, np.nan, 0, np.nan, False
yield check_real_value, ncu._arg, 0, np.nan, np.nan, False
yield check_real_value, ncu._arg, np.nan, np.inf, np.nan, False
yield check_real_value, ncu._arg, np.inf, np.nan, np.nan, False
Example #16
| Source File: test_umath_complex.py From recruit with Apache License 2.0 | 4 votes |
|
def test_special_values(self):
# C99: Sec G 6.4.2
check = check_complex_value
f = np.sqrt
# csqrt(+-0 + 0i) is 0 + 0i
check(f, np.PZERO, 0, 0, 0)
check(f, np.NZERO, 0, 0, 0)
# csqrt(x + infi) is inf + infi for any x (including NaN)
check(f, 1, np.inf, np.inf, np.inf)
check(f, -1, np.inf, np.inf, np.inf)
check(f, np.PZERO, np.inf, np.inf, np.inf)
check(f, np.NZERO, np.inf, np.inf, np.inf)
check(f, np.inf, np.inf, np.inf, np.inf)
check(f, -np.inf, np.inf, np.inf, np.inf)
check(f, -np.nan, np.inf, np.inf, np.inf)
# csqrt(x + nani) is nan + nani for any finite x
check(f, 1, np.nan, np.nan, np.nan)
check(f, -1, np.nan, np.nan, np.nan)
check(f, 0, np.nan, np.nan, np.nan)
# csqrt(-inf + yi) is +0 + infi for any finite y > 0
check(f, -np.inf, 1, np.PZERO, np.inf)
# csqrt(inf + yi) is +inf + 0i for any finite y > 0
check(f, np.inf, 1, np.inf, np.PZERO)
# csqrt(-inf + nani) is nan +- infi (both +i infi are valid)
def _check_ninf_nan(dummy):
msgform = "csqrt(-inf, nan) is (%f, %f), expected (nan, +-inf)"
z = np.sqrt(np.array(complex(-np.inf, np.nan)))
#Fixme: ugly workaround for isinf bug.
with np.errstate(invalid='ignore'):
if not (np.isnan(z.real) and np.isinf(z.imag)):
raise AssertionError(msgform % (z.real, z.imag))
_check_ninf_nan(None)
# csqrt(+inf + nani) is inf + nani
check(f, np.inf, np.nan, np.inf, np.nan)
# csqrt(nan + yi) is nan + nani for any finite y (infinite handled in x
# + nani)
check(f, np.nan, 0, np.nan, np.nan)
check(f, np.nan, 1, np.nan, np.nan)
check(f, np.nan, np.nan, np.nan, np.nan)
# XXX: check for conj(csqrt(z)) == csqrt(conj(z)) (need to fix branch
# cuts first)
Example #17
| Source File: test_umath_complex.py From mxnet-lambda with Apache License 2.0 | 4 votes |
|
def test_special_values(self):
# C99: Sec G 6.4.2
check = check_complex_value
f = np.sqrt
# csqrt(+-0 + 0i) is 0 + 0i
yield check, f, np.PZERO, 0, 0, 0
yield check, f, np.NZERO, 0, 0, 0
# csqrt(x + infi) is inf + infi for any x (including NaN)
yield check, f, 1, np.inf, np.inf, np.inf
yield check, f, -1, np.inf, np.inf, np.inf
yield check, f, np.PZERO, np.inf, np.inf, np.inf
yield check, f, np.NZERO, np.inf, np.inf, np.inf
yield check, f, np.inf, np.inf, np.inf, np.inf
yield check, f, -np.inf, np.inf, np.inf, np.inf
yield check, f, -np.nan, np.inf, np.inf, np.inf
# csqrt(x + nani) is nan + nani for any finite x
yield check, f, 1, np.nan, np.nan, np.nan
yield check, f, -1, np.nan, np.nan, np.nan
yield check, f, 0, np.nan, np.nan, np.nan
# csqrt(-inf + yi) is +0 + infi for any finite y > 0
yield check, f, -np.inf, 1, np.PZERO, np.inf
# csqrt(inf + yi) is +inf + 0i for any finite y > 0
yield check, f, np.inf, 1, np.inf, np.PZERO
# csqrt(-inf + nani) is nan +- infi (both +i infi are valid)
def _check_ninf_nan(dummy):
msgform = "csqrt(-inf, nan) is (%f, %f), expected (nan, +-inf)"
z = np.sqrt(np.array(np.complex(-np.inf, np.nan)))
#Fixme: ugly workaround for isinf bug.
with np.errstate(invalid='ignore'):
if not (np.isnan(z.real) and np.isinf(z.imag)):
raise AssertionError(msgform % (z.real, z.imag))
yield _check_ninf_nan, None
# csqrt(+inf + nani) is inf + nani
yield check, f, np.inf, np.nan, np.inf, np.nan
# csqrt(nan + yi) is nan + nani for any finite y (infinite handled in x
# + nani)
yield check, f, np.nan, 0, np.nan, np.nan
yield check, f, np.nan, 1, np.nan, np.nan
yield check, f, np.nan, np.nan, np.nan, np.nan
# XXX: check for conj(csqrt(z)) == csqrt(conj(z)) (need to fix branch
# cuts first)
Example #18
| Source File: test_umath_complex.py From pySINDy with MIT License | 4 votes |
|
def test_special_values(self):
# C99: Sec G 6.4.2
check = check_complex_value
f = np.sqrt
# csqrt(+-0 + 0i) is 0 + 0i
check(f, np.PZERO, 0, 0, 0)
check(f, np.NZERO, 0, 0, 0)
# csqrt(x + infi) is inf + infi for any x (including NaN)
check(f, 1, np.inf, np.inf, np.inf)
check(f, -1, np.inf, np.inf, np.inf)
check(f, np.PZERO, np.inf, np.inf, np.inf)
check(f, np.NZERO, np.inf, np.inf, np.inf)
check(f, np.inf, np.inf, np.inf, np.inf)
check(f, -np.inf, np.inf, np.inf, np.inf)
check(f, -np.nan, np.inf, np.inf, np.inf)
# csqrt(x + nani) is nan + nani for any finite x
check(f, 1, np.nan, np.nan, np.nan)
check(f, -1, np.nan, np.nan, np.nan)
check(f, 0, np.nan, np.nan, np.nan)
# csqrt(-inf + yi) is +0 + infi for any finite y > 0
check(f, -np.inf, 1, np.PZERO, np.inf)
# csqrt(inf + yi) is +inf + 0i for any finite y > 0
check(f, np.inf, 1, np.inf, np.PZERO)
# csqrt(-inf + nani) is nan +- infi (both +i infi are valid)
def _check_ninf_nan(dummy):
msgform = "csqrt(-inf, nan) is (%f, %f), expected (nan, +-inf)"
z = np.sqrt(np.array(complex(-np.inf, np.nan)))
#Fixme: ugly workaround for isinf bug.
with np.errstate(invalid='ignore'):
if not (np.isnan(z.real) and np.isinf(z.imag)):
raise AssertionError(msgform % (z.real, z.imag))
_check_ninf_nan(None)
# csqrt(+inf + nani) is inf + nani
check(f, np.inf, np.nan, np.inf, np.nan)
# csqrt(nan + yi) is nan + nani for any finite y (infinite handled in x
# + nani)
check(f, np.nan, 0, np.nan, np.nan)
check(f, np.nan, 1, np.nan, np.nan)
check(f, np.nan, np.nan, np.nan, np.nan)
# XXX: check for conj(csqrt(z)) == csqrt(conj(z)) (need to fix branch
# cuts first)
Example #19
| Source File: test_umath_complex.py From ImageFusion with MIT License | 4 votes |
|
def test_special_values(self):
check = check_complex_value
f = np.sqrt
# C99: Sec G 6.4.2
x, y = [], []
# csqrt(+-0 + 0i) is 0 + 0i
yield check, f, np.PZERO, 0, 0, 0
yield check, f, np.NZERO, 0, 0, 0
# csqrt(x + infi) is inf + infi for any x (including NaN)
yield check, f, 1, np.inf, np.inf, np.inf
yield check, f, -1, np.inf, np.inf, np.inf
yield check, f, np.PZERO, np.inf, np.inf, np.inf
yield check, f, np.NZERO, np.inf, np.inf, np.inf
yield check, f, np.inf, np.inf, np.inf, np.inf
yield check, f, -np.inf, np.inf, np.inf, np.inf
yield check, f, -np.nan, np.inf, np.inf, np.inf
# csqrt(x + nani) is nan + nani for any finite x
yield check, f, 1, np.nan, np.nan, np.nan
yield check, f, -1, np.nan, np.nan, np.nan
yield check, f, 0, np.nan, np.nan, np.nan
# csqrt(-inf + yi) is +0 + infi for any finite y > 0
yield check, f, -np.inf, 1, np.PZERO, np.inf
# csqrt(inf + yi) is +inf + 0i for any finite y > 0
yield check, f, np.inf, 1, np.inf, np.PZERO
# csqrt(-inf + nani) is nan +- infi (both +i infi are valid)
def _check_ninf_nan(dummy):
msgform = "csqrt(-inf, nan) is (%f, %f), expected (nan, +-inf)"
z = np.sqrt(np.array(np.complex(-np.inf, np.nan)))
#Fixme: ugly workaround for isinf bug.
with np.errstate(invalid='ignore'):
if not (np.isnan(z.real) and np.isinf(z.imag)):
raise AssertionError(msgform % (z.real, z.imag))
yield _check_ninf_nan, None
# csqrt(+inf + nani) is inf + nani
yield check, f, np.inf, np.nan, np.inf, np.nan
# csqrt(nan + yi) is nan + nani for any finite y (infinite handled in x
# + nani)
yield check, f, np.nan, 0, np.nan, np.nan
yield check, f, np.nan, 1, np.nan, np.nan
yield check, f, np.nan, np.nan, np.nan, np.nan
# XXX: check for conj(csqrt(z)) == csqrt(conj(z)) (need to fix branch
# cuts first)
Example #20
| Source File: test_umath_complex.py From Computable with MIT License | 4 votes |
|
def test_special_values(self):
check = check_complex_value
f = np.sqrt
# C99: Sec G 6.4.2
x, y = [], []
# csqrt(+-0 + 0i) is 0 + 0i
yield check, f, np.PZERO, 0, 0, 0
yield check, f, np.NZERO, 0, 0, 0
# csqrt(x + infi) is inf + infi for any x (including NaN)
yield check, f, 1, np.inf, np.inf, np.inf
yield check, f, -1, np.inf, np.inf, np.inf
yield check, f, np.PZERO, np.inf, np.inf, np.inf
yield check, f, np.NZERO, np.inf, np.inf, np.inf
yield check, f, np.inf, np.inf, np.inf, np.inf
yield check, f, -np.inf, np.inf, np.inf, np.inf
yield check, f, -np.nan, np.inf, np.inf, np.inf
# csqrt(x + nani) is nan + nani for any finite x
yield check, f, 1, np.nan, np.nan, np.nan
yield check, f, -1, np.nan, np.nan, np.nan
yield check, f, 0, np.nan, np.nan, np.nan
# csqrt(-inf + yi) is +0 + infi for any finite y > 0
yield check, f, -np.inf, 1, np.PZERO, np.inf
# csqrt(inf + yi) is +inf + 0i for any finite y > 0
yield check, f, np.inf, 1, np.inf, np.PZERO
# csqrt(-inf + nani) is nan +- infi (both +i infi are valid)
def _check_ninf_nan(dummy):
msgform = "csqrt(-inf, nan) is (%f, %f), expected (nan, +-inf)"
z = np.sqrt(np.array(np.complex(-np.inf, np.nan)))
#Fixme: ugly workaround for isinf bug.
with np.errstate(invalid='ignore'):
if not (np.isnan(z.real) and np.isinf(z.imag)):
raise AssertionError(msgform % (z.real, z.imag))
yield _check_ninf_nan, None
# csqrt(+inf + nani) is inf + nani
yield check, f, np.inf, np.nan, np.inf, np.nan
# csqrt(nan + yi) is nan + nani for any finite y (infinite handled in x
# + nani)
yield check, f, np.nan, 0, np.nan, np.nan
yield check, f, np.nan, 1, np.nan, np.nan
yield check, f, np.nan, np.nan, np.nan, np.nan
# XXX: check for conj(csqrt(z)) == csqrt(conj(z)) (need to fix branch
# cuts first)
Example #21
| Source File: test_umath_complex.py From elasticintel with GNU General Public License v3.0 | 4 votes |
|
def test_special_values(self):
# C99: Sec G 6.4.2
check = check_complex_value
f = np.sqrt
# csqrt(+-0 + 0i) is 0 + 0i
yield check, f, np.PZERO, 0, 0, 0
yield check, f, np.NZERO, 0, 0, 0
# csqrt(x + infi) is inf + infi for any x (including NaN)
yield check, f, 1, np.inf, np.inf, np.inf
yield check, f, -1, np.inf, np.inf, np.inf
yield check, f, np.PZERO, np.inf, np.inf, np.inf
yield check, f, np.NZERO, np.inf, np.inf, np.inf
yield check, f, np.inf, np.inf, np.inf, np.inf
yield check, f, -np.inf, np.inf, np.inf, np.inf
yield check, f, -np.nan, np.inf, np.inf, np.inf
# csqrt(x + nani) is nan + nani for any finite x
yield check, f, 1, np.nan, np.nan, np.nan
yield check, f, -1, np.nan, np.nan, np.nan
yield check, f, 0, np.nan, np.nan, np.nan
# csqrt(-inf + yi) is +0 + infi for any finite y > 0
yield check, f, -np.inf, 1, np.PZERO, np.inf
# csqrt(inf + yi) is +inf + 0i for any finite y > 0
yield check, f, np.inf, 1, np.inf, np.PZERO
# csqrt(-inf + nani) is nan +- infi (both +i infi are valid)
def _check_ninf_nan(dummy):
msgform = "csqrt(-inf, nan) is (%f, %f), expected (nan, +-inf)"
z = np.sqrt(np.array(np.complex(-np.inf, np.nan)))
#Fixme: ugly workaround for isinf bug.
with np.errstate(invalid='ignore'):
if not (np.isnan(z.real) and np.isinf(z.imag)):
raise AssertionError(msgform % (z.real, z.imag))
yield _check_ninf_nan, None
# csqrt(+inf + nani) is inf + nani
yield check, f, np.inf, np.nan, np.inf, np.nan
# csqrt(nan + yi) is nan + nani for any finite y (infinite handled in x
# + nani)
yield check, f, np.nan, 0, np.nan, np.nan
yield check, f, np.nan, 1, np.nan, np.nan
yield check, f, np.nan, np.nan, np.nan, np.nan
# XXX: check for conj(csqrt(z)) == csqrt(conj(z)) (need to fix branch
# cuts first)
Example #22
| Source File: test_umath_complex.py From Mastering-Elasticsearch-7.0 with MIT License | 4 votes |
|
def test_special_values(self):
# C99: Sec G 6.4.2
check = check_complex_value
f = np.sqrt
# csqrt(+-0 + 0i) is 0 + 0i
check(f, np.PZERO, 0, 0, 0)
check(f, np.NZERO, 0, 0, 0)
# csqrt(x + infi) is inf + infi for any x (including NaN)
check(f, 1, np.inf, np.inf, np.inf)
check(f, -1, np.inf, np.inf, np.inf)
check(f, np.PZERO, np.inf, np.inf, np.inf)
check(f, np.NZERO, np.inf, np.inf, np.inf)
check(f, np.inf, np.inf, np.inf, np.inf)
check(f, -np.inf, np.inf, np.inf, np.inf)
check(f, -np.nan, np.inf, np.inf, np.inf)
# csqrt(x + nani) is nan + nani for any finite x
check(f, 1, np.nan, np.nan, np.nan)
check(f, -1, np.nan, np.nan, np.nan)
check(f, 0, np.nan, np.nan, np.nan)
# csqrt(-inf + yi) is +0 + infi for any finite y > 0
check(f, -np.inf, 1, np.PZERO, np.inf)
# csqrt(inf + yi) is +inf + 0i for any finite y > 0
check(f, np.inf, 1, np.inf, np.PZERO)
# csqrt(-inf + nani) is nan +- infi (both +i infi are valid)
def _check_ninf_nan(dummy):
msgform = "csqrt(-inf, nan) is (%f, %f), expected (nan, +-inf)"
z = np.sqrt(np.array(complex(-np.inf, np.nan)))
#Fixme: ugly workaround for isinf bug.
with np.errstate(invalid='ignore'):
if not (np.isnan(z.real) and np.isinf(z.imag)):
raise AssertionError(msgform % (z.real, z.imag))
_check_ninf_nan(None)
# csqrt(+inf + nani) is inf + nani
check(f, np.inf, np.nan, np.inf, np.nan)
# csqrt(nan + yi) is nan + nani for any finite y (infinite handled in x
# + nani)
check(f, np.nan, 0, np.nan, np.nan)
check(f, np.nan, 1, np.nan, np.nan)
check(f, np.nan, np.nan, np.nan, np.nan)
# XXX: check for conj(csqrt(z)) == csqrt(conj(z)) (need to fix branch
# cuts first)
Example #23
| Source File: test_umath_complex.py From coffeegrindsize with MIT License | 4 votes |
|
def test_special_values(self):
# C99: Sec G 6.4.2
check = check_complex_value
f = np.sqrt
# csqrt(+-0 + 0i) is 0 + 0i
check(f, np.PZERO, 0, 0, 0)
check(f, np.NZERO, 0, 0, 0)
# csqrt(x + infi) is inf + infi for any x (including NaN)
check(f, 1, np.inf, np.inf, np.inf)
check(f, -1, np.inf, np.inf, np.inf)
check(f, np.PZERO, np.inf, np.inf, np.inf)
check(f, np.NZERO, np.inf, np.inf, np.inf)
check(f, np.inf, np.inf, np.inf, np.inf)
check(f, -np.inf, np.inf, np.inf, np.inf)
check(f, -np.nan, np.inf, np.inf, np.inf)
# csqrt(x + nani) is nan + nani for any finite x
check(f, 1, np.nan, np.nan, np.nan)
check(f, -1, np.nan, np.nan, np.nan)
check(f, 0, np.nan, np.nan, np.nan)
# csqrt(-inf + yi) is +0 + infi for any finite y > 0
check(f, -np.inf, 1, np.PZERO, np.inf)
# csqrt(inf + yi) is +inf + 0i for any finite y > 0
check(f, np.inf, 1, np.inf, np.PZERO)
# csqrt(-inf + nani) is nan +- infi (both +i infi are valid)
def _check_ninf_nan(dummy):
msgform = "csqrt(-inf, nan) is (%f, %f), expected (nan, +-inf)"
z = np.sqrt(np.array(complex(-np.inf, np.nan)))
#Fixme: ugly workaround for isinf bug.
with np.errstate(invalid='ignore'):
if not (np.isnan(z.real) and np.isinf(z.imag)):
raise AssertionError(msgform % (z.real, z.imag))
_check_ninf_nan(None)
# csqrt(+inf + nani) is inf + nani
check(f, np.inf, np.nan, np.inf, np.nan)
# csqrt(nan + yi) is nan + nani for any finite y (infinite handled in x
# + nani)
check(f, np.nan, 0, np.nan, np.nan)
check(f, np.nan, 1, np.nan, np.nan)
check(f, np.nan, np.nan, np.nan, np.nan)
# XXX: check for conj(csqrt(z)) == csqrt(conj(z)) (need to fix branch
# cuts first)
Example #24
| Source File: test_umath_complex.py From vnpy_crypto with MIT License | 4 votes |
|
def test_special_values(self):
# C99: Sec G 6.4.2
check = check_complex_value
f = np.sqrt
# csqrt(+-0 + 0i) is 0 + 0i
yield check, f, np.PZERO, 0, 0, 0
yield check, f, np.NZERO, 0, 0, 0
# csqrt(x + infi) is inf + infi for any x (including NaN)
yield check, f, 1, np.inf, np.inf, np.inf
yield check, f, -1, np.inf, np.inf, np.inf
yield check, f, np.PZERO, np.inf, np.inf, np.inf
yield check, f, np.NZERO, np.inf, np.inf, np.inf
yield check, f, np.inf, np.inf, np.inf, np.inf
yield check, f, -np.inf, np.inf, np.inf, np.inf
yield check, f, -np.nan, np.inf, np.inf, np.inf
# csqrt(x + nani) is nan + nani for any finite x
yield check, f, 1, np.nan, np.nan, np.nan
yield check, f, -1, np.nan, np.nan, np.nan
yield check, f, 0, np.nan, np.nan, np.nan
# csqrt(-inf + yi) is +0 + infi for any finite y > 0
yield check, f, -np.inf, 1, np.PZERO, np.inf
# csqrt(inf + yi) is +inf + 0i for any finite y > 0
yield check, f, np.inf, 1, np.inf, np.PZERO
# csqrt(-inf + nani) is nan +- infi (both +i infi are valid)
def _check_ninf_nan(dummy):
msgform = "csqrt(-inf, nan) is (%f, %f), expected (nan, +-inf)"
z = np.sqrt(np.array(complex(-np.inf, np.nan)))
#Fixme: ugly workaround for isinf bug.
with np.errstate(invalid='ignore'):
if not (np.isnan(z.real) and np.isinf(z.imag)):
raise AssertionError(msgform % (z.real, z.imag))
yield _check_ninf_nan, None
# csqrt(+inf + nani) is inf + nani
yield check, f, np.inf, np.nan, np.inf, np.nan
# csqrt(nan + yi) is nan + nani for any finite y (infinite handled in x
# + nani)
yield check, f, np.nan, 0, np.nan, np.nan
yield check, f, np.nan, 1, np.nan, np.nan
yield check, f, np.nan, np.nan, np.nan, np.nan
# XXX: check for conj(csqrt(z)) == csqrt(conj(z)) (need to fix branch
# cuts first)
Example #25
| Source File: test_umath_complex.py From Serverless-Deep-Learning-with-TensorFlow-and-AWS-Lambda with MIT License | 4 votes |
|
def test_special_values(self):
# C99: Sec G 6.4.2
check = check_complex_value
f = np.sqrt
# csqrt(+-0 + 0i) is 0 + 0i
check(f, np.PZERO, 0, 0, 0)
check(f, np.NZERO, 0, 0, 0)
# csqrt(x + infi) is inf + infi for any x (including NaN)
check(f, 1, np.inf, np.inf, np.inf)
check(f, -1, np.inf, np.inf, np.inf)
check(f, np.PZERO, np.inf, np.inf, np.inf)
check(f, np.NZERO, np.inf, np.inf, np.inf)
check(f, np.inf, np.inf, np.inf, np.inf)
check(f, -np.inf, np.inf, np.inf, np.inf)
check(f, -np.nan, np.inf, np.inf, np.inf)
# csqrt(x + nani) is nan + nani for any finite x
check(f, 1, np.nan, np.nan, np.nan)
check(f, -1, np.nan, np.nan, np.nan)
check(f, 0, np.nan, np.nan, np.nan)
# csqrt(-inf + yi) is +0 + infi for any finite y > 0
check(f, -np.inf, 1, np.PZERO, np.inf)
# csqrt(inf + yi) is +inf + 0i for any finite y > 0
check(f, np.inf, 1, np.inf, np.PZERO)
# csqrt(-inf + nani) is nan +- infi (both +i infi are valid)
def _check_ninf_nan(dummy):
msgform = "csqrt(-inf, nan) is (%f, %f), expected (nan, +-inf)"
z = np.sqrt(np.array(complex(-np.inf, np.nan)))
#Fixme: ugly workaround for isinf bug.
with np.errstate(invalid='ignore'):
if not (np.isnan(z.real) and np.isinf(z.imag)):
raise AssertionError(msgform % (z.real, z.imag))
_check_ninf_nan(None)
# csqrt(+inf + nani) is inf + nani
check(f, np.inf, np.nan, np.inf, np.nan)
# csqrt(nan + yi) is nan + nani for any finite y (infinite handled in x
# + nani)
check(f, np.nan, 0, np.nan, np.nan)
check(f, np.nan, 1, np.nan, np.nan)
check(f, np.nan, np.nan, np.nan, np.nan)
# XXX: check for conj(csqrt(z)) == csqrt(conj(z)) (need to fix branch
# cuts first)
Example #26
| Source File: test_umath_complex.py From predictive-maintenance-using-machine-learning with Apache License 2.0 | 4 votes |
|
def test_special_values(self):
# C99: Sec G 6.4.2
check = check_complex_value
f = np.sqrt
# csqrt(+-0 + 0i) is 0 + 0i
check(f, np.PZERO, 0, 0, 0)
check(f, np.NZERO, 0, 0, 0)
# csqrt(x + infi) is inf + infi for any x (including NaN)
check(f, 1, np.inf, np.inf, np.inf)
check(f, -1, np.inf, np.inf, np.inf)
check(f, np.PZERO, np.inf, np.inf, np.inf)
check(f, np.NZERO, np.inf, np.inf, np.inf)
check(f, np.inf, np.inf, np.inf, np.inf)
check(f, -np.inf, np.inf, np.inf, np.inf)
check(f, -np.nan, np.inf, np.inf, np.inf)
# csqrt(x + nani) is nan + nani for any finite x
check(f, 1, np.nan, np.nan, np.nan)
check(f, -1, np.nan, np.nan, np.nan)
check(f, 0, np.nan, np.nan, np.nan)
# csqrt(-inf + yi) is +0 + infi for any finite y > 0
check(f, -np.inf, 1, np.PZERO, np.inf)
# csqrt(inf + yi) is +inf + 0i for any finite y > 0
check(f, np.inf, 1, np.inf, np.PZERO)
# csqrt(-inf + nani) is nan +- infi (both +i infi are valid)
def _check_ninf_nan(dummy):
msgform = "csqrt(-inf, nan) is (%f, %f), expected (nan, +-inf)"
z = np.sqrt(np.array(complex(-np.inf, np.nan)))
#Fixme: ugly workaround for isinf bug.
with np.errstate(invalid='ignore'):
if not (np.isnan(z.real) and np.isinf(z.imag)):
raise AssertionError(msgform % (z.real, z.imag))
_check_ninf_nan(None)
# csqrt(+inf + nani) is inf + nani
check(f, np.inf, np.nan, np.inf, np.nan)
# csqrt(nan + yi) is nan + nani for any finite y (infinite handled in x
# + nani)
check(f, np.nan, 0, np.nan, np.nan)
check(f, np.nan, 1, np.nan, np.nan)
check(f, np.nan, np.nan, np.nan, np.nan)
# XXX: check for conj(csqrt(z)) == csqrt(conj(z)) (need to fix branch
# cuts first)
Example #27
| Source File: test_umath_complex.py From twitter-stock-recommendation with MIT License | 4 votes |
|
def test_special_values(self):
# C99: Sec G 6.4.2
check = check_complex_value
f = np.sqrt
# csqrt(+-0 + 0i) is 0 + 0i
check(f, np.PZERO, 0, 0, 0)
check(f, np.NZERO, 0, 0, 0)
# csqrt(x + infi) is inf + infi for any x (including NaN)
check(f, 1, np.inf, np.inf, np.inf)
check(f, -1, np.inf, np.inf, np.inf)
check(f, np.PZERO, np.inf, np.inf, np.inf)
check(f, np.NZERO, np.inf, np.inf, np.inf)
check(f, np.inf, np.inf, np.inf, np.inf)
check(f, -np.inf, np.inf, np.inf, np.inf)
check(f, -np.nan, np.inf, np.inf, np.inf)
# csqrt(x + nani) is nan + nani for any finite x
check(f, 1, np.nan, np.nan, np.nan)
check(f, -1, np.nan, np.nan, np.nan)
check(f, 0, np.nan, np.nan, np.nan)
# csqrt(-inf + yi) is +0 + infi for any finite y > 0
check(f, -np.inf, 1, np.PZERO, np.inf)
# csqrt(inf + yi) is +inf + 0i for any finite y > 0
check(f, np.inf, 1, np.inf, np.PZERO)
# csqrt(-inf + nani) is nan +- infi (both +i infi are valid)
def _check_ninf_nan(dummy):
msgform = "csqrt(-inf, nan) is (%f, %f), expected (nan, +-inf)"
z = np.sqrt(np.array(complex(-np.inf, np.nan)))
#Fixme: ugly workaround for isinf bug.
with np.errstate(invalid='ignore'):
if not (np.isnan(z.real) and np.isinf(z.imag)):
raise AssertionError(msgform % (z.real, z.imag))
_check_ninf_nan(None)
# csqrt(+inf + nani) is inf + nani
check(f, np.inf, np.nan, np.inf, np.nan)
# csqrt(nan + yi) is nan + nani for any finite y (infinite handled in x
# + nani)
check(f, np.nan, 0, np.nan, np.nan)
check(f, np.nan, 1, np.nan, np.nan)
check(f, np.nan, np.nan, np.nan, np.nan)
# XXX: check for conj(csqrt(z)) == csqrt(conj(z)) (need to fix branch
# cuts first)
Example #28
| Source File: test_umath_complex.py From auto-alt-text-lambda-api with MIT License | 4 votes |
|
def test_special_values(self):
# C99: Sec G 6.4.2
check = check_complex_value
f = np.sqrt
# csqrt(+-0 + 0i) is 0 + 0i
yield check, f, np.PZERO, 0, 0, 0
yield check, f, np.NZERO, 0, 0, 0
# csqrt(x + infi) is inf + infi for any x (including NaN)
yield check, f, 1, np.inf, np.inf, np.inf
yield check, f, -1, np.inf, np.inf, np.inf
yield check, f, np.PZERO, np.inf, np.inf, np.inf
yield check, f, np.NZERO, np.inf, np.inf, np.inf
yield check, f, np.inf, np.inf, np.inf, np.inf
yield check, f, -np.inf, np.inf, np.inf, np.inf
yield check, f, -np.nan, np.inf, np.inf, np.inf
# csqrt(x + nani) is nan + nani for any finite x
yield check, f, 1, np.nan, np.nan, np.nan
yield check, f, -1, np.nan, np.nan, np.nan
yield check, f, 0, np.nan, np.nan, np.nan
# csqrt(-inf + yi) is +0 + infi for any finite y > 0
yield check, f, -np.inf, 1, np.PZERO, np.inf
# csqrt(inf + yi) is +inf + 0i for any finite y > 0
yield check, f, np.inf, 1, np.inf, np.PZERO
# csqrt(-inf + nani) is nan +- infi (both +i infi are valid)
def _check_ninf_nan(dummy):
msgform = "csqrt(-inf, nan) is (%f, %f), expected (nan, +-inf)"
z = np.sqrt(np.array(np.complex(-np.inf, np.nan)))
#Fixme: ugly workaround for isinf bug.
with np.errstate(invalid='ignore'):
if not (np.isnan(z.real) and np.isinf(z.imag)):
raise AssertionError(msgform % (z.real, z.imag))
yield _check_ninf_nan, None
# csqrt(+inf + nani) is inf + nani
yield check, f, np.inf, np.nan, np.inf, np.nan
# csqrt(nan + yi) is nan + nani for any finite y (infinite handled in x
# + nani)
yield check, f, np.nan, 0, np.nan, np.nan
yield check, f, np.nan, 1, np.nan, np.nan
yield check, f, np.nan, np.nan, np.nan, np.nan
# XXX: check for conj(csqrt(z)) == csqrt(conj(z)) (need to fix branch
# cuts first)
Example #29
| Source File: test_umath_complex.py From keras-lambda with MIT License | 4 votes |
|
def test_special_values(self):
# C99: Sec G 6.4.2
check = check_complex_value
f = np.sqrt
# csqrt(+-0 + 0i) is 0 + 0i
yield check, f, np.PZERO, 0, 0, 0
yield check, f, np.NZERO, 0, 0, 0
# csqrt(x + infi) is inf + infi for any x (including NaN)
yield check, f, 1, np.inf, np.inf, np.inf
yield check, f, -1, np.inf, np.inf, np.inf
yield check, f, np.PZERO, np.inf, np.inf, np.inf
yield check, f, np.NZERO, np.inf, np.inf, np.inf
yield check, f, np.inf, np.inf, np.inf, np.inf
yield check, f, -np.inf, np.inf, np.inf, np.inf
yield check, f, -np.nan, np.inf, np.inf, np.inf
# csqrt(x + nani) is nan + nani for any finite x
yield check, f, 1, np.nan, np.nan, np.nan
yield check, f, -1, np.nan, np.nan, np.nan
yield check, f, 0, np.nan, np.nan, np.nan
# csqrt(-inf + yi) is +0 + infi for any finite y > 0
yield check, f, -np.inf, 1, np.PZERO, np.inf
# csqrt(inf + yi) is +inf + 0i for any finite y > 0
yield check, f, np.inf, 1, np.inf, np.PZERO
# csqrt(-inf + nani) is nan +- infi (both +i infi are valid)
def _check_ninf_nan(dummy):
msgform = "csqrt(-inf, nan) is (%f, %f), expected (nan, +-inf)"
z = np.sqrt(np.array(np.complex(-np.inf, np.nan)))
#Fixme: ugly workaround for isinf bug.
with np.errstate(invalid='ignore'):
if not (np.isnan(z.real) and np.isinf(z.imag)):
raise AssertionError(msgform % (z.real, z.imag))
yield _check_ninf_nan, None
# csqrt(+inf + nani) is inf + nani
yield check, f, np.inf, np.nan, np.inf, np.nan
# csqrt(nan + yi) is nan + nani for any finite y (infinite handled in x
# + nani)
yield check, f, np.nan, 0, np.nan, np.nan
yield check, f, np.nan, 1, np.nan, np.nan
yield check, f, np.nan, np.nan, np.nan, np.nan
# XXX: check for conj(csqrt(z)) == csqrt(conj(z)) (need to fix branch
# cuts first)
Example #30
| Source File: test_umath_complex.py From GraphicDesignPatternByPython with MIT License | 4 votes |
|
def test_special_values(self):
# C99: Sec G 6.4.2
check = check_complex_value
f = np.sqrt
# csqrt(+-0 + 0i) is 0 + 0i
check(f, np.PZERO, 0, 0, 0)
check(f, np.NZERO, 0, 0, 0)
# csqrt(x + infi) is inf + infi for any x (including NaN)
check(f, 1, np.inf, np.inf, np.inf)
check(f, -1, np.inf, np.inf, np.inf)
check(f, np.PZERO, np.inf, np.inf, np.inf)
check(f, np.NZERO, np.inf, np.inf, np.inf)
check(f, np.inf, np.inf, np.inf, np.inf)
check(f, -np.inf, np.inf, np.inf, np.inf)
check(f, -np.nan, np.inf, np.inf, np.inf)
# csqrt(x + nani) is nan + nani for any finite x
check(f, 1, np.nan, np.nan, np.nan)
check(f, -1, np.nan, np.nan, np.nan)
check(f, 0, np.nan, np.nan, np.nan)
# csqrt(-inf + yi) is +0 + infi for any finite y > 0
check(f, -np.inf, 1, np.PZERO, np.inf)
# csqrt(inf + yi) is +inf + 0i for any finite y > 0
check(f, np.inf, 1, np.inf, np.PZERO)
# csqrt(-inf + nani) is nan +- infi (both +i infi are valid)
def _check_ninf_nan(dummy):
msgform = "csqrt(-inf, nan) is (%f, %f), expected (nan, +-inf)"
z = np.sqrt(np.array(complex(-np.inf, np.nan)))
#Fixme: ugly workaround for isinf bug.
with np.errstate(invalid='ignore'):
if not (np.isnan(z.real) and np.isinf(z.imag)):
raise AssertionError(msgform % (z.real, z.imag))
_check_ninf_nan(None)
# csqrt(+inf + nani) is inf + nani
check(f, np.inf, np.nan, np.inf, np.nan)
# csqrt(nan + yi) is nan + nani for any finite y (infinite handled in x
# + nani)
check(f, np.nan, 0, np.nan, np.nan)
check(f, np.nan, 1, np.nan, np.nan)
check(f, np.nan, np.nan, np.nan, np.nan)
# XXX: check for conj(csqrt(z)) == csqrt(conj(z)) (need to fix branch
# cuts first)
