99 lines
3.6 KiB
Java
99 lines
3.6 KiB
Java
/* __ __ __ __ __ ___
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* \ \ / / \ \ / / __/
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* \ \/ / /\ \ \/ / /
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* \____/__/ \__\____/__/
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*
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* Copyright 2014-2017 Vavr, http://vavr.io
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://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,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package ch.usi.inf.sdm.sdm04.math;
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import ch.usi.si.codelounge.jsicko.Contract;
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import java.util.stream.DoubleStream;
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import java.util.stream.IntStream;
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@SuppressWarnings("unused") // methods used by jSicko
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public interface IEEE754rUtilsContracts extends Contract {
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@Pure
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static boolean non_null_non_empty_arg(final double[] array) {
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return array != null && array.length > 0;
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}
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@Pure
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static boolean non_null_non_empty_arg_float(final float[] array) {
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return array != null && array.length > 0;
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}
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@Pure
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static boolean is_minimum_element(final double returns, final double[] array) {
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return DoubleStream.of(array).filter(value -> !Double.isNaN(value)).allMatch(e -> returns <= e);
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}
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@Pure
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static boolean is_maximum_element(final double returns, final double[] array) {
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return DoubleStream.of(array).filter(value -> !Double.isNaN(value)).allMatch(e -> returns >= e);
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}
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@Pure
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static boolean is_minimum_element_float(final float returns, final float[] array) {
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return is_minimum_element(returns, IntStream.range(0, array.length).mapToDouble(i -> array[i]).toArray());
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}
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@Pure
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static boolean is_maximum_element_float(final float returns, float[] array) {
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return is_maximum_element(returns, IntStream.range(0, array.length).mapToDouble(i -> array[i]).toArray());
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}
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@Pure
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static boolean is_minimum_element_2(final double returns, final double a, final double b) {
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return is_minimum_element(returns, new double[] { a, b });
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}
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@Pure
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static boolean is_minimum_element_3(final double returns, final double a, final double b, final double c) {
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return is_minimum_element(returns, new double[] { a, b, c });
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}
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@Pure
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static boolean is_minimum_element_2_float(final float returns, final float a, final float b) {
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return is_minimum_element(returns, new double[] { a, b });
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}
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@Pure
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static boolean is_minimum_element_3_float(final float returns, final float a, final float b, final float c) {
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return is_minimum_element(returns, new double[] { a, b, c });
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}
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@Pure
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static boolean is_maximum_element_2(final double returns, final double a, final double b) {
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return is_maximum_element(returns, new double[] { a, b });
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}
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@Pure
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static boolean is_maximum_element_3(final double returns, final double a, final double b, final double c) {
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return is_maximum_element(returns, new double[] { a, b, c });
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}
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@Pure
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static boolean is_maximum_element_2_float(final float returns, final float a, final float b) {
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return is_maximum_element(returns, new double[] { a, b });
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}
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@Pure
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static boolean is_maximum_element_3_float(final float returns, final float a, final float b, final float c) {
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return is_maximum_element(returns, new double[] { a, b, c });
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}
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}
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