docs: public static Info det( final Variable A , ManagerTempVariables manager) {
          Info ret = new Info();
  
          final VariableDouble output = manager.createDouble();
          ret.output = output;
  
          if( A instanceof VariableMatrix ) {
              ret.op = new Operation("det-m") {
                  @Override
                  public void process() {
                      VariableMatrix mA = (VariableMatrix)A;
                      output.value = CommonOps_DDRM.det(mA.matrix);
                  }
              };
          } else {
              ret.op = new Operation("det-s") {
                  @Override
                  public void process() {
                      VariableScalar mA = (VariableScalar)A;
                      output.value = mA.getDouble();
                  }
              };
          }
  
          return ret;
      }