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/*
* Copyright (c) 2020, Peter Abeles. All Rights Reserved.
*
* This file is part of Efficient Java Matrix Library (EJML).
*
* 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.
*/
package org.ejml.sparse.csc;
import org.ejml.UtilEjml;
import org.ejml.data.DGrowArray;
import org.ejml.data.DMatrixRMaj;
import org.ejml.data.DMatrixSparseCSC;
import org.ejml.dense.row.CommonOps_DDRM;
import org.ejml.dense.row.MatrixFeatures_DDRM;
import org.ejml.dense.row.RandomMatrices_DDRM;
import org.ejml.ops.DConvertMatrixStruct;
import org.junit.jupiter.api.Test;
import pabeles.concurrency.GrowArray;
import java.util.Random;
import static org.junit.jupiter.api.Assertions.assertTrue;
import static org.junit.jupiter.api.Assertions.fail;
/**
* @author Peter Abeles
*/
class TestCommonOps_MT_DSCC {
private final Random rand = new Random(234);
private GrowArray<DGrowArray> growArray = new GrowArray<>(DGrowArray::new);
@Test void mult_s_s_shapes() {
// multiple trials to test more sparse structures
for (int trial = 0; trial < 50; trial++) {
check_s_s_mult(
RandomMatrices_DSCC.rectangle(5, 6, 5, rand),
RandomMatrices_DSCC.rectangle(6, 4, 7, rand),
RandomMatrices_DSCC.rectangle(5, 4, 7, rand), false);
check_s_s_mult(
RandomMatrices_DSCC.rectangle(5, 7, 5, rand),
RandomMatrices_DSCC.rectangle(6, 4, 7, rand),
RandomMatrices_DSCC.rectangle(5, 5, 7, rand), true);
check_s_s_mult(
RandomMatrices_DSCC.rectangle(5, 6, 5, rand),
RandomMatrices_DSCC.rectangle(6, 4, 7, rand),
RandomMatrices_DSCC.rectangle(5, 5, 7, rand), false);
check_s_s_mult(
RandomMatrices_DSCC.rectangle(5, 6, 5, rand),
RandomMatrices_DSCC.rectangle(6, 4, 7, rand),
RandomMatrices_DSCC.rectangle(6, 4, 7, rand), false);
check_s_s_mult(
RandomMatrices_DSCC.rectangle(5, 6, 5, rand),
RandomMatrices_DSCC.rectangle(6, 4, 7, rand),
RandomMatrices_DSCC.rectangle(6, 4, 7, rand), false);
}
}
private void check_s_s_mult( DMatrixSparseCSC A, DMatrixSparseCSC B, DMatrixSparseCSC C, boolean exception ) {
DMatrixSparseCSC expected = C.createLike();
try {
CommonOps_MT_DSCC.mult(A, B, C, null);
assertTrue(CommonOps_DSCC.checkStructure(C));
if (exception)
fail("exception expected");
CommonOps_DSCC.mult(A, B, expected);
assertTrue(MatrixFeatures_DSCC.isEqualsSort(expected, C, UtilEjml.TEST_F64));
} catch (RuntimeException e) {
if (!exception)
fail("no exception expected. " + e.getMessage());
}
}
@Test void add_shapes() {
check_add(
RandomMatrices_DSCC.rectangle(5, 6, 5, rand),
RandomMatrices_DSCC.rectangle(5, 6, 5, rand),
RandomMatrices_DSCC.rectangle(5, 6, 5, rand), false);
check_add(
RandomMatrices_DSCC.rectangle(5, 6, 5*6, rand),
RandomMatrices_DSCC.rectangle(5, 6, 5*6, rand),
RandomMatrices_DSCC.rectangle(5, 6, 5*6, rand), false);
check_add(
RandomMatrices_DSCC.rectangle(5, 6, 0, rand),
RandomMatrices_DSCC.rectangle(5, 6, 0, rand),
RandomMatrices_DSCC.rectangle(5, 6, 0, rand), false);
check_add(
RandomMatrices_DSCC.rectangle(5, 6, 20, rand),
RandomMatrices_DSCC.rectangle(5, 6, 16, rand),
RandomMatrices_DSCC.rectangle(5, 6, 0, rand), false);
check_add(
RandomMatrices_DSCC.rectangle(5, 6, 5, rand),
RandomMatrices_DSCC.rectangle(5, 5, 5, rand),
RandomMatrices_DSCC.rectangle(5, 6, 5, rand), true);
check_add(
RandomMatrices_DSCC.rectangle(5, 6, 5, rand),
RandomMatrices_DSCC.rectangle(5, 6, 5, rand),
RandomMatrices_DSCC.rectangle(5, 5, 5, rand), false);
check_add(
RandomMatrices_DSCC.rectangle(5, 6, 5, rand),
RandomMatrices_DSCC.rectangle(4, 6, 5, rand),
RandomMatrices_DSCC.rectangle(5, 6, 5, rand), true);
check_add(
RandomMatrices_DSCC.rectangle(5, 6, 5, rand),
RandomMatrices_DSCC.rectangle(5, 6, 5, rand),
RandomMatrices_DSCC.rectangle(4, 6, 5, rand), false);
}
private void check_add( DMatrixSparseCSC A, DMatrixSparseCSC B, DMatrixSparseCSC C, boolean exception ) {
double alpha = 1.5;
double beta = -0.6;
try {
CommonOps_MT_DSCC.add(alpha, A, beta, B, C, null);
assertTrue(CommonOps_DSCC.checkStructure(C));
if (exception)
fail("exception expected");
DMatrixSparseCSC expected = C.createLike();
CommonOps_DSCC.add(alpha, A, beta, B, expected, null, null);
assertTrue(MatrixFeatures_DSCC.isEqualsSort(expected, C, UtilEjml.TEST_F64));
} catch (RuntimeException ignore) {
if (!exception)
fail("no exception expected");
}
}
@Test void mult_s_d_shapes() {
check_s_d_mult(
RandomMatrices_DSCC.rectangle(5, 6, 5, rand),
RandomMatrices_DDRM.rectangle(6, 4, rand),
RandomMatrices_DDRM.rectangle(5, 4, rand), false);
check_s_d_mult(
RandomMatrices_DSCC.rectangle(5, 6, 5, rand),
RandomMatrices_DDRM.rectangle(7, 4, rand),
RandomMatrices_DDRM.rectangle(5, 4, rand), true);
// Matrix C is resized
check_s_d_mult(
RandomMatrices_DSCC.rectangle(5, 6, 5, rand),
RandomMatrices_DDRM.rectangle(6, 4, rand),
RandomMatrices_DDRM.rectangle(5, 5, rand), false);
check_s_d_mult(
RandomMatrices_DSCC.rectangle(5, 6, 5, rand),
RandomMatrices_DDRM.rectangle(6, 4, rand),
RandomMatrices_DDRM.rectangle(6, 4, rand), false);
check_s_d_mult(
RandomMatrices_DSCC.rectangle(5, 6, 5, rand),
RandomMatrices_DDRM.rectangle(6, 4, rand),
RandomMatrices_DDRM.rectangle(6, 4, rand), false);
}
private void check_s_d_mult( DMatrixSparseCSC A, DMatrixRMaj B, DMatrixRMaj C, boolean exception ) {
DMatrixRMaj denseA = DConvertMatrixStruct.convert(A, (DMatrixRMaj)null);
DMatrixRMaj expected = C.copy();
DMatrixSparseCSC A_t = CommonOps_DSCC.transpose(A, null, null);
DMatrixRMaj B_t = CommonOps_DDRM.transpose(B, null);
DMatrixRMaj denseA_t = CommonOps_DDRM.transpose(denseA, null);
for (int i = 0; i < 2; i++) {
boolean transA = i == 1;
for (int j = 0; j < 2; j++) {
boolean transB = j == 1;
for (int k = 0; k < 2; k++) {
boolean add = k == 1;
try {
if (add) {
if (transA) {
if (transB) {
CommonOps_MT_DSCC.multAddTransAB(A_t, B_t, C);
CommonOps_DDRM.multAddTransAB(denseA_t, B_t, expected);
} else {
CommonOps_MT_DSCC.multAddTransA(A_t, B, C, growArray);
CommonOps_DDRM.multAddTransA(denseA_t, B, expected);
}
} else if (transB) {
CommonOps_MT_DSCC.multAddTransB(A, B_t, C, growArray);
CommonOps_DDRM.multAddTransB(denseA, B_t, expected);
} else {
CommonOps_MT_DSCC.multAdd(A, B, C, growArray);
CommonOps_DDRM.multAdd(denseA, B, expected);
}
} else {
if (transA) {
if (transB) {
CommonOps_MT_DSCC.multTransAB(A_t, B_t, C);
CommonOps_DDRM.multTransAB(denseA_t, B_t, expected);
} else {
CommonOps_MT_DSCC.multTransA(A_t, B, C, growArray);
CommonOps_DDRM.multTransA(denseA_t, B, expected);
}
} else if (transB) {
CommonOps_MT_DSCC.multTransB(A, B_t, C, growArray);
CommonOps_DDRM.multTransB(denseA, B_t, expected);
} else {
CommonOps_MT_DSCC.mult(A, B, C, growArray);
CommonOps_DDRM.mult(denseA, B, expected);
}
}
if (exception)
fail("exception expected");
assertTrue(MatrixFeatures_DDRM.isIdentical(expected, C, UtilEjml.TEST_F64));
} catch (RuntimeException e) {
if (!exception) {
e.printStackTrace();
fail("no exception expected");
}
}
}
}
}
}
}
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