You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
Paddle/python/paddle/fluid/tests/unittests/test_meshgrid_op.py

184 lines
6.5 KiB

# Copyright (c) 2020 PaddlePaddle Authors. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
from __future__ import print_function
import unittest
import numpy as np
from op_test import OpTest, skip_check_grad_ci
import paddle.fluid as fluid
import paddle
from paddle.fluid import compiler, Program, program_guard, core
class TestMeshgridOp(OpTest):
def setUp(self):
self.op_type = "meshgrid"
self.dtype = self.get_dtype()
ins, outs = self.init_test_data()
self.inputs = {'X': [('x%d' % i, ins[i]) for i in range(len(ins))]}
self.outputs = {
'Out': [('out%d' % i, outs[i]) for i in range(len(outs))]
}
def get_dtype(self):
return "float64"
def test_check_output(self):
self.check_output()
def test_check_grad(self):
self.check_grad(['x0'], ['out0'])
self.check_grad(['x1'], ['out1'])
def init_test_data(self):
self.shape = self.get_x_shape()
ins = []
outs = []
for i in range(len(self.shape)):
ins.append(np.random.random((self.shape[i], )).astype(self.dtype))
for i in range(len(self.shape)):
out_reshape = [1] * len(self.shape)
out_reshape[i] = self.shape[i]
out_temp = np.reshape(ins[i], out_reshape)
outs.append(np.broadcast_to(out_temp, self.shape))
return ins, outs
def get_x_shape(self):
return [100, 200]
class TestMeshgridOp2(TestMeshgridOp):
def get_x_shape(self):
return [100, 300]
class TestMeshgridOp3(unittest.TestCase):
def test_api(self):
x = fluid.data(shape=[100], dtype='int32', name='x')
y = fluid.data(shape=[200], dtype='int32', name='y')
input_1 = np.random.randint(0, 100, [100, ]).astype('int32')
input_2 = np.random.randint(0, 100, [200, ]).astype('int32')
out_1 = np.reshape(input_1, [100, 1])
out_1 = np.broadcast_to(out_1, [100, 200])
out_2 = np.reshape(input_2, [1, 200])
out_2 = np.broadcast_to(out_2, [100, 200])
exe = fluid.Executor(place=fluid.CPUPlace())
grid_x, grid_y = paddle.tensor.meshgrid(x, y)
res_1, res_2 = exe.run(fluid.default_main_program(),
feed={'x': input_1,
'y': input_2},
fetch_list=[grid_x, grid_y])
assert np.array_equal(res_1, out_1)
assert np.array_equal(res_2, out_2)
class TestMeshgridOp4(unittest.TestCase):
def test_list_input(self):
x = fluid.data(shape=[100], dtype='int32', name='x')
y = fluid.data(shape=[200], dtype='int32', name='y')
input_1 = np.random.randint(0, 100, [100, ]).astype('int32')
input_2 = np.random.randint(0, 100, [200, ]).astype('int32')
out_1 = np.reshape(input_1, [100, 1])
out_1 = np.broadcast_to(out_1, [100, 200])
out_2 = np.reshape(input_2, [1, 200])
out_2 = np.broadcast_to(out_2, [100, 200])
exe = fluid.Executor(place=fluid.CPUPlace())
grid_x, grid_y = paddle.tensor.meshgrid([x, y])
res_1, res_2 = exe.run(fluid.default_main_program(),
feed={'x': input_1,
'y': input_2},
fetch_list=[grid_x, grid_y])
assert np.array_equal(res_1, out_1)
assert np.array_equal(res_2, out_2)
class TestMeshgridOp5(unittest.TestCase):
def test_tuple_input(self):
x = fluid.data(shape=[100], dtype='int32', name='x')
y = fluid.data(shape=[200], dtype='int32', name='y')
input_1 = np.random.randint(0, 100, [100, ]).astype('int32')
input_2 = np.random.randint(0, 100, [200, ]).astype('int32')
out_1 = np.reshape(input_1, [100, 1])
out_1 = np.broadcast_to(out_1, [100, 200])
out_2 = np.reshape(input_2, [1, 200])
out_2 = np.broadcast_to(out_2, [100, 200])
exe = fluid.Executor(place=fluid.CPUPlace())
grid_x, grid_y = paddle.tensor.meshgrid((x, y))
res_1, res_2 = exe.run(fluid.default_main_program(),
feed={'x': input_1,
'y': input_2},
fetch_list=[grid_x, grid_y])
assert np.array_equal(res_1, out_1)
assert np.array_equal(res_2, out_2)
class TestMeshgridOp6(unittest.TestCase):
def test_api_with_dygraph(self):
input_3 = np.random.randint(0, 100, [100, ]).astype('int32')
input_4 = np.random.randint(0, 100, [200, ]).astype('int32')
with fluid.dygraph.guard():
tensor_3 = fluid.dygraph.to_variable(input_3)
tensor_4 = fluid.dygraph.to_variable(input_4)
res_3, res_4 = paddle.tensor.meshgrid(tensor_3, tensor_4)
assert np.array_equal(res_3.shape, [100, 200])
assert np.array_equal(res_4.shape, [100, 200])
class TestMeshgridOp7(unittest.TestCase):
def test_api_with_dygraph_list_input(self):
input_3 = np.random.randint(0, 100, [100, ]).astype('int32')
input_4 = np.random.randint(0, 100, [200, ]).astype('int32')
with fluid.dygraph.guard():
tensor_3 = fluid.dygraph.to_variable(input_3)
tensor_4 = fluid.dygraph.to_variable(input_4)
res_3, res_4 = paddle.tensor.meshgrid([tensor_3, tensor_4])
assert np.array_equal(res_3.shape, [100, 200])
assert np.array_equal(res_4.shape, [100, 200])
class TestMeshgridOp7(unittest.TestCase):
def test_api_with_dygraph_tuple_input(self):
input_3 = np.random.randint(0, 100, [100, ]).astype('int32')
input_4 = np.random.randint(0, 100, [200, ]).astype('int32')
with fluid.dygraph.guard():
tensor_3 = fluid.dygraph.to_variable(input_3)
tensor_4 = fluid.dygraph.to_variable(input_4)
res_3, res_4 = paddle.tensor.meshgrid((tensor_3, tensor_4))
assert np.array_equal(res_3.shape, [100, 200])
assert np.array_equal(res_4.shape, [100, 200])
if __name__ == '__main__':
unittest.main()