pytorch/caffe2/python/operator_test/clip_op_test.py
Andrew Tulloch cb5af39c69 Vectorize CPU ClipOp implementation (and add test)
Summary: Noticed this wasn't vectorized, could be handy.

Reviewed By: kennyhorror

Differential Revision: D5308593

fbshipit-source-id: c2b35ece34831f0546f010a1ebe0b89f1a7d9446
2017-06-26 11:33:13 -07:00

45 lines
1.3 KiB
Python

from __future__ import absolute_import
from __future__ import division
from __future__ import print_function
from __future__ import unicode_literals
import numpy as np
from hypothesis import given
import hypothesis.strategies as st
from caffe2.python import core
import caffe2.python.hypothesis_test_util as hu
class TestClip(hu.HypothesisTestCase):
@given(X=hu.tensor(),
min_=st.floats(min_value=-1, max_value=0),
max_=st.floats(min_value=0, max_value=1),
inplace=st.booleans(),
**hu.gcs)
def test_clip(self, X, min_, max_, inplace, gc, dc):
# go away from the origin point to avoid kink problems
X[np.abs(X - min_) < 0.05] += 0.1
X[np.abs(X - max_) < 0.05] += 0.1
def clip_ref(X):
X = X.clip(min_, max_)
return (X,)
op = core.CreateOperator(
"Clip",
["X"], ["Y" if not inplace else "X"],
min=min_,
max=max_)
self.assertReferenceChecks(gc, op, [X], clip_ref)
# Check over multiple devices
self.assertDeviceChecks(dc, op, [X], [0])
# Gradient check wrt X
self.assertGradientChecks(gc, op, [X], 0, [0])
if __name__ == "__main__":
import unittest
unittest.main()