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BytecodeBatchVecFunc.java

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package symjava.bytecode;

public class BytecodeBatchVecFunc implements BytecodeVecFunc {

BytecodeVecFunc func;

int vecLen; //Input vector length

int retLen; //Return vector length

public BytecodeBatchVecFunc(BytecodeVecFunc func, int vecLen, int retLen) {

this.func = func;

this.vecLen = vecLen;

this.retLen = retLen;

}

@Override

public void apply(double[] outAry, int outPos, double[]... args) {

double[] tmpBuf = new double[retLen];

double[][] tmpArgs = new double[args.length][vecLen];

int destPos = 0;

int argPos = 0;

for(int i=0; i<args[0].length/vecLen; i++) {

for(int j=0; j<args.length; j++) {

System.arraycopy(args[j], argPos, tmpArgs[j], 0, vecLen);

}

func.apply(tmpBuf, 0, tmpArgs);

System.arraycopy(tmpBuf, 0, outAry, destPos, retLen);

destPos += retLen;

argPos += vecLen;

}

}

}