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Refactor math support to provide more consistent and complete math library coverage

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This commit is contained in:
James Roseborough
2008-07-21 22:12:06 +00:00
parent 467923b86e
commit 6642b38f91
9 changed files with 352 additions and 169 deletions
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35
src/j2se/org/luaj/platform/J2sePlatform.java
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@@ -9,10 +9,13 @@ import java.io.InputStreamReader;
import java.io.Reader;
import org.luaj.debug.net.j2se.DebugSupportImpl;
import org.luaj.lib.MathLib;
import org.luaj.lib.j2se.LuajavaLib;
import org.luaj.vm.DebugNetSupport;
import org.luaj.vm.LDouble;
import org.luaj.vm.LNumber;
import org.luaj.vm.LValue;
import org.luaj.vm.LuaErrorException;
import org.luaj.vm.LuaState;
import org.luaj.vm.Platform;
@@ -53,4 +56,36 @@ public class J2sePlatform extends Platform {
double d = Math.pow(lhs, rhs);
return LDouble.valueOf(d);
}
public double mathop(int id, double a, double b) {
switch ( id ) {
case MathLib.ATAN2: return Math.atan2(a, b);
case MathLib.FMOD: return a - (b * ((int)(a/b)));
case MathLib.LDEXP: return a * Math.pow(2, b);
case MathLib.POW: return Math.pow(a, b);
}
throw new LuaErrorException( "unsupported math op" );
}
public double mathop(int id, double x) {
switch ( id ) {
case MathLib.ABS: return Math.abs(x);
case MathLib.ACOS: return Math.acos(x);
case MathLib.ASIN: return Math.asin(x);
case MathLib.ATAN: return Math.atan(x);
case MathLib.COS: return Math.cos(x);
case MathLib.COSH: return Math.cosh(x);
case MathLib.DEG: return Math.toDegrees(x);
case MathLib.EXP: return Math.exp(x);
case MathLib.LOG: return Math.log(x);
case MathLib.LOG10: return Math.log10(x);
case MathLib.RAD: return Math.toRadians(x);
case MathLib.SIN: return Math.sin(x);
case MathLib.SINH: return Math.sinh(x);
case MathLib.SQRT: return Math.sqrt(x);
case MathLib.TAN: return Math.tan(x);
case MathLib.TANH: return Math.tanh(x);
}
throw new LuaErrorException( "unsupported math op" );
}
}