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Remove use of deprecated class

This commit is contained in:
aherbert 2022-10-13 13:59:27 +01:00
parent b72c0945a6
commit b69aec0dff
1 changed files with 2 additions and 5 deletions
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7
commons-math-legacy/src/main/java/org/apache/commons/math4/legacy/analysis/differentiation/DSCompiler.java
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@ -27,7 +27,7 @@ import org.apache.commons.math4.legacy.exception.MathArithmeticException;
import org.apache.commons.math4.legacy.exception.MathInternalError;
import org.apache.commons.math4.legacy.exception.NotPositiveException;
import org.apache.commons.math4.legacy.exception.NumberIsTooLargeException;
import org.apache.commons.numbers.combinatorics.FactorialDouble;
import org.apache.commons.numbers.combinatorics.Factorial;
import org.apache.commons.math4.core.jdkmath.JdkMath;
/** Class holding "compiled" computation rules for derivative structures.
@ -123,9 +123,6 @@ import org.apache.commons.math4.core.jdkmath.JdkMath;
* @since 3.1
*/
public final class DSCompiler {
/** Cache for factorials. */
private static final FactorialDouble FACTORIAL = FactorialDouble.create().withCache(30);
/** Array of all compilers created so far. */
private static AtomicReference<DSCompiler[][]> compilers =
new AtomicReference<>(null);
@ -1759,7 +1756,7 @@ public final class DSCompiler {
for (int k = 0; k < orders.length; ++k) {
if (orders[k] > 0) {
try {
term *= JdkMath.pow(delta[k], orders[k]) / FACTORIAL.value(orders[k]);
term *= JdkMath.pow(delta[k], orders[k]) / Factorial.doubleValue(orders[k]);
} catch (NotPositiveException e) {
// this cannot happen
throw new MathInternalError(e);