public INDArray bitShiftRotl(INDArray x, INDArray shift) {
    NDValidation.validateNumerical("bitShiftRotl", "x", x);
    NDValidation.validateNumerical("bitShiftRotl", "shift", shift);
    return Nd4j.exec(new org.nd4j.linalg.api.ops.impl.transforms.custom.CyclicShiftBits(x, shift))[0];
  }