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author | Karl Shaffer <karlshaffer@google.com> | 2023-08-10 20:17:10 +0000 |
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committer | Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com> | 2023-08-10 20:17:10 +0000 |
commit | 0018f64b87f6b2df2a4c866aa3eb8ab2e45efbea (patch) | |
tree | ace24ba4307d4978ee3134f7da671a77ad172da0 /src/main/java/org/apache/commons/math3/analysis/function/Minus.java | |
parent | 21944074de3a1f7bafb37541992e7277d639fda3 (diff) | |
parent | 1354beaf452fc42c23c82fc80d2f2e9ffcbf3688 (diff) | |
download | apache-commons-math-0018f64b87f6b2df2a4c866aa3eb8ab2e45efbea.tar.gz |
Check-in commons-math 3.6.1 am: 1354beaf45
Original change: https://android-review.googlesource.com/c/platform/external/apache-commons-math/+/2702413
Change-Id: I4990b1b31e5dd9596f208d93dd22cc8d5e470689
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
Diffstat (limited to 'src/main/java/org/apache/commons/math3/analysis/function/Minus.java')
-rw-r--r-- | src/main/java/org/apache/commons/math3/analysis/function/Minus.java | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/src/main/java/org/apache/commons/math3/analysis/function/Minus.java b/src/main/java/org/apache/commons/math3/analysis/function/Minus.java new file mode 100644 index 0000000..e532779 --- /dev/null +++ b/src/main/java/org/apache/commons/math3/analysis/function/Minus.java @@ -0,0 +1,50 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You 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.apache.commons.math3.analysis.function; + +import org.apache.commons.math3.analysis.DifferentiableUnivariateFunction; +import org.apache.commons.math3.analysis.differentiation.DerivativeStructure; +import org.apache.commons.math3.analysis.differentiation.UnivariateDifferentiableFunction; + +/** + * Minus function. + * + * @since 3.0 + */ +public class Minus implements UnivariateDifferentiableFunction, DifferentiableUnivariateFunction { + /** {@inheritDoc} */ + public double value(double x) { + return -x; + } + + /** {@inheritDoc} + * @deprecated as of 3.1, replaced by {@link #value(DerivativeStructure)} + */ + @Deprecated + public DifferentiableUnivariateFunction derivative() { + return new Constant(-1); + } + + /** {@inheritDoc} + * @since 3.1 + */ + public DerivativeStructure value(final DerivativeStructure t) { + return t.negate(); + } + +} |