feat: update math

2025-09-07 15:20:58 +08:00
parent e74f5a31bd
commit 04c12c2373
1 changed files with 1 additions and 0 deletions
--- a/src/main/java/me/hatter/math/util/MathUtil.java
+++ b/src/main/java/me/hatter/math/util/MathUtil.java
@@ -28,6 +28,7 @@ public class MathUtil {
    public static final BigDecimal LITTLE_NUMBER = new BigDecimal(
            "0.000000000000000000000000000000000000000001");

+    // n!, n的阶乘
    public static BigInteger factorial(long n) {
        if (n < 0) {
            throw new RuntimeException("Not supported n < 0");