X-Git-Url: https://deadsoftware.ru/gitweb?p=dsw-obn.git;a=blobdiff_plain;f=rtl%2Fjava%2FCPMath.java;h=33472c7868d41d45588f033f8022b7b365437ead;hp=28f8a6d29c19ea94aad72e8838e4985947b9f35f;hb=d9d4132f8a79f3a78166c8ee7c629f73093c2659;hpb=0b724e12457f2507d398c51dc35200d833ce9362

diff --git a/rtl/java/CPMath.java b/rtl/java/CPMath.java
index 28f8a6d..33472c7 100644
--- a/rtl/java/CPMath.java
+++ b/rtl/java/CPMath.java
@@ -97,7 +97,29 @@ public class CPMath
 
 	public static double IntPower(double x, int n)
 	{
-		return Math.pow(x, n);
+		double y = 1.0;
+
+		if(n < 0)
+		{
+			x = 1.0 / x;
+			n = -n;
+		}
+
+		while(n > 0)
+		{
+			if(n % 2 == 1)
+			{
+				y = y * x;
+				n -= 1;
+			}
+			else
+			{
+				x = x * x;
+				n = n / 2;
+			}
+		}
+
+		return y;
 	}
 
 	public static double Ln(double x)
@@ -112,9 +134,8 @@ public class CPMath
 
 	public static double Mantissa(double x)
 	{
-		// Not implemented
-		SYSTEM.TRAP(-3);
-		return 0;
+		int exponent = Math.getExponent(x);
+		return x / Math.pow(2, exponent);
 	}
 
 	public static double Pi()