55 lines
1.3 KiB
Java
55 lines
1.3 KiB
Java
package it.cavallium.warppi.math.rules.dsl.patterns;
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import it.cavallium.warppi.math.Function;
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import it.cavallium.warppi.math.MathContext;
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import it.cavallium.warppi.math.functions.trigonometry.Cosine;
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import it.cavallium.warppi.math.rules.dsl.Pattern;
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import it.cavallium.warppi.math.rules.dsl.VisitorPattern;
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import java.util.Map;
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import java.util.Objects;
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import java.util.stream.Stream;
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/**
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* Matches and generates the cosine of another pattern.
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*/
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public class CosinePattern extends VisitorPattern {
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private final Pattern argument;
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public CosinePattern(final Pattern argument) {
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this.argument = argument;
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}
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@Override
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public Boolean visit(final Cosine cosine, final Map<String, Function> subFunctions) {
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return argument.match(cosine.getParameter(), subFunctions);
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}
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@Override
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public Function replace(final MathContext mathContext, final Map<String, Function> subFunctions) {
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return new Cosine(
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mathContext,
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argument.replace(mathContext, subFunctions)
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);
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}
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@Override
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public Stream<SubFunctionPattern> getSubFunctions() {
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return argument.getSubFunctions();
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}
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@Override
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public boolean equals(final Object o) {
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if (!(o instanceof CosinePattern)) {
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return false;
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}
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final CosinePattern other = (CosinePattern) o;
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return argument.equals(other.argument);
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}
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@Override
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public int hashCode() {
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return Objects.hash(argument);
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}
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}
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