72 lines
2.5 KiB
C++
72 lines
2.5 KiB
C++
/*******************************************************************************
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* Copyright (c) 2015-2018 Skymind, Inc.
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*
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* This program and the accompanying materials are made available under the
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* terms of the Apache License, Version 2.0 which is available at
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* https://www.apache.org/licenses/LICENSE-2.0.
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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* SPDX-License-Identifier: Apache-2.0
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******************************************************************************/
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//
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// @author Yurii Shyrma (iuriish@yahoo.com), created on 12.12.2017
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//
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#include <op_boilerplate.h>
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#if NOT_EXCLUDED(OP_betainc)
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#include <ops/declarable/CustomOperations.h>
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#include <ops/declarable/helpers/betaInc.h>
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namespace nd4j {
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namespace ops {
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DECLARE_TYPES(betainc) {
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getOpDescriptor()
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->setAllowedInputTypes({ALL_FLOATS})
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->setSameMode(true);
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}
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CONFIGURABLE_OP_IMPL(betainc, 3, 1, false, 0, 0) {
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auto a = INPUT_VARIABLE(0);
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auto b = INPUT_VARIABLE(1);
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auto x = INPUT_VARIABLE(2);
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// just skip op if input is empty
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if (x->isEmpty()) {
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*x = DataTypeUtils::nanOrZero<float>();
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return Status::OK();
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}
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auto output = OUTPUT_VARIABLE(0);
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REQUIRE_TRUE(a->isSameShape(b) && a->isSameShape(x), 0, "CONFIGURABLE_OP betainc: all three input arrays must have the same shapes, bit got a=%s, b=%s and x=%s instead !", ShapeUtils::shapeAsString(a).c_str(), ShapeUtils::shapeAsString(b).c_str(), ShapeUtils::shapeAsString(x).c_str());
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Nd4jLong arrLen = a->lengthOf();
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// FIXME: this stuff should be single op call. No sense rolling over couple of arrays twice
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for(Nd4jLong i = 0; i < arrLen; ++i ) {
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REQUIRE_TRUE(a->e<float>(i) > 0.f, 0, "BETAINC op: arrays a array must contain only elements > 0 !");
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REQUIRE_TRUE(b->e<float>(i) > 0.f, 0, "BETAINC op: arrays b array must contain only elements > 0 !");
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REQUIRE_TRUE(0.f <= x->e<float>(i) && x->e<float>(i) <= 1.f, 0, "BETAINC op: all elements of x array must be within [0, 1] range!");
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}
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helpers::betaInc(block.launchContext(), *a, *b, *x, *output);
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return Status::OK();
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}
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DECLARE_SYN(BetaInc, betainc);
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DECLARE_SYN(betaInc, betainc);
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}
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}
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#endif |