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"""Tests for division with division imported from __future__.
This file should be exactly the same as division_past_test.py except
for the __future__ division line.
"""
from __future__ import absolute_import
from __future__ import division
from __future__ import print_function
import tensorflow.python.platform
import numpy as np
import tensorflow as tf
class DivisionTestCase(tf.test.TestCase):
def testDivision(self):
"""Test all the different ways to divide."""
values = [1, 2, 7, 11]
functions = (lambda x: x), tf.constant
# TODO(irving): Test int8, int16 once we support casts for those.
dtypes = np.int32, np.int64, np.float32, np.float64
def check(x, y):
if isinstance(x, tf.Tensor):
x = x.eval()
if isinstance(y, tf.Tensor):
y = y.eval()
self.assertEqual(x.dtype, y.dtype)
self.assertEqual(x, y)
with self.test_session():
for dtype in dtypes:
for x in map(dtype, values):
for y in map(dtype, values):
for fx in functions:
for fy in functions:
tf_x = fx(x)
tf_y = fy(y)
div = x / y
tf_div = tf_x / tf_y
check(div, tf_div)
floordiv = x // y
tf_floordiv = tf_x // tf_y
check(floordiv, tf_floordiv)
if __name__ == "__main__":
tf.test.main()
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