Simplex solver article - gist 3

SimplexRS.java

Type solutionVectorType = new Type.Builder(renderScript, Element.F32(renderScript)).setX(script.get_MAX_COLS()).create();
Type resultSizeType = new Type.Builder(renderScript, Element.I32(renderScript)).create();

script.set_solution_vector(arrayAllocation);
script.set_result_size(resultSizeAllocation);
script.invoke_solve();
float[] solutionVector = new float[script.get_MAX_COLS()];
arrayAllocation.copyTo(solutionVector);
int[] resultSizeVector = new int[1];
resultSizeAllocation.copyTo(resultSizeVector);
// If the solution vector size is -1, no solution has been found.
if (resultSizeVector[0] <= 0) {
    return null;
}
return Arrays.copyOf(solutionVector, resultSizeVector[0]);