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feat: update math

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Hatter Jiang
2025-09-07 15:20:58 +08:00
parent e74f5a31bd
commit 04c12c2373
1 changed files with 1 additions and 0 deletions
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src/main/java/me/hatter/math/util/MathUtil.java
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@@ -28,6 +28,7 @@ public class MathUtil {
public static final BigDecimal LITTLE_NUMBER = new BigDecimal( public static final BigDecimal LITTLE_NUMBER = new BigDecimal(
"0.000000000000000000000000000000000000000001"); "0.000000000000000000000000000000000000000001");
// n!, n的阶乘
public static BigInteger factorial(long n) { public static BigInteger factorial(long n) {
if (n < 0) { if (n < 0) {
throw new RuntimeException("Not supported n < 0"); throw new RuntimeException("Not supported n < 0");