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Use specialized "pow" function.

This commit is contained in:
Gilles Sadowski 2022-01-27 15:09:34 +01:00
parent 06301d00d5
commit c5ea177934
1 changed files with 2 additions and 1 deletions
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3
commons-math-legacy/src/main/java/org/apache/commons/math4/legacy/analysis/integration/MidPointIntegrator.java
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@ -16,6 +16,7 @@
*/
package org.apache.commons.math4.legacy.analysis.integration;
import org.apache.commons.numbers.core.ArithmeticUtils;
import org.apache.commons.math4.legacy.exception.NumberIsTooLargeException;
import org.apache.commons.math4.core.jdkmath.JdkMath;
@ -113,7 +114,7 @@ public class MidPointIntegrator extends BaseAbstractUnivariateIntegrator {
double diffMaxMin) {
// number of points in the previous stage. This stage will contribute
// 2*3^{n-1} more points.
final long np = (long) JdkMath.pow(3, n - 1);
final long np = ArithmeticUtils.pow(3L, n - 1);
double sum = 0;
// spacing between adjacent new points