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feat: update pow pi frac 6

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This commit is contained in:
Hatter Jiang
2025-07-24 07:27:00 +08:00
parent c24a694891
commit 454ccad6be
1 changed files with 2 additions and 2 deletions
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4
src/main/java/me/hatter/math/PowPiFrac6.java
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@@ -8,14 +8,14 @@ import java.math.RoundingMode;
public class PowPiFrac6 {
public static void main(String[] args) {
// 3.1415925580968211573577512694381765696389307918602926657455808746315469549319489862717519447616085936
// 3.1415925580968211573577512694381765696389307918602926657455808746315469549319489862717519447616085478
System.out.println(pi());
}
public static BigDecimal pi() {
BigDecimal t = BigDecimal.ZERO;
for (long i = 1; i < 10000000; i++) {
t = t.add(BigDecimal.ONE.divide(BigDecimal.valueOf(i).pow(2), 1000, RoundingMode.HALF_UP));
t = t.add(BigDecimal.ONE.divide(BigDecimal.valueOf(i).pow(2), 100, RoundingMode.HALF_UP));
}
return MathUtil.sqrt(t.multiply(BigDecimal.valueOf(6)), 100);
}