63 lines
2.0 KiB
C++
63 lines
2.0 KiB
C++
/*******************************************************************************
|
|
* Copyright (c) 2015-2018 Skymind, Inc.
|
|
*
|
|
* This program and the accompanying materials are made available under the
|
|
* terms of the Apache License, Version 2.0 which is available at
|
|
* https://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.
|
|
*
|
|
* SPDX-License-Identifier: Apache-2.0
|
|
******************************************************************************/
|
|
|
|
//
|
|
// @author Yurii Shyrma, created on 31.03.2018
|
|
//
|
|
|
|
#include <ops/declarable/CustomOperations.h>
|
|
|
|
|
|
namespace sd {
|
|
namespace ops {
|
|
|
|
|
|
//////////////////////////////////////////////////////////////////////////
|
|
CUSTOM_OP_IMPL(tri, -2, 1, false, 0, 1) {
|
|
|
|
auto output = OUTPUT_VARIABLE(0);
|
|
|
|
const int diag = block.numI() > 2 ? INT_ARG(2) : 0;
|
|
|
|
BUILD_SINGLE_SELECTOR(output->dataType(), output->fillAsTriangular, (1., diag + 1, 0, *output, 'l'), LIBND4J_TYPES); // fill with unities lower triangular block of matrix
|
|
BUILD_SINGLE_SELECTOR(output->dataType(), output->fillAsTriangular, (0., 0, diag, *output, 'u'), LIBND4J_TYPES); // fill with zeros upper triangular block of matrix
|
|
|
|
// output->setValueInDiagMatrix(1., diag, 'l');
|
|
// output->setValueInDiagMatrix(0., diag+1, 'u');
|
|
|
|
return Status::OK();
|
|
}
|
|
|
|
DECLARE_TYPES(tri) {
|
|
getOpDescriptor()
|
|
->setAllowedOutputTypes(0, {ALL_FLOATS, ALL_INTS});
|
|
}
|
|
|
|
|
|
DECLARE_SHAPE_FN(tri) {
|
|
const int rows = INT_ARG(0);
|
|
const int cols = block.numI() > 1 ? INT_ARG(1) : rows;
|
|
|
|
auto dtype = block.numD() ? D_ARG(0) : DataType::FLOAT32;
|
|
|
|
return SHAPELIST(ConstantShapeHelper::getInstance().createShapeInfo(dtype, 'c', {rows, cols}));
|
|
}
|
|
|
|
|
|
|
|
|
|
}
|
|
} |