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Fix math.random

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This commit is contained in:
gamax92 2014-07-13 11:56:54 -06:00
parent bc46f8ca66
commit 0d65552442
1 changed files with 5 additions and 5 deletions
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10
src/main/java/org/luaj/vm3/lib/MathLib.java
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@ -211,15 +211,15 @@ public class MathLib extends TwoArgFunction {
return valueOf( random.nextDouble() );
}
public LuaValue call(LuaValue a) {
int m = a.checkint();
long m = a.checklong();
if (m<1) argerror(1, "interval is empty");
return valueOf( 1 + random.nextInt(m) );
return valueOf( (long)(random.nextDouble() * m) + 1L );
}
public LuaValue call(LuaValue a, LuaValue b) {
int m = a.checkint();
int n = b.checkint();
long m = a.checklong();
long n = b.checklong();
if (n<m) argerror(2, "interval is empty");
return valueOf( m + random.nextInt(n+1-m) );
return valueOf( (long)(random.nextDouble() * (n - m + 1)) + m );
}
}