private static boolean testSpecificValue(double x,double y,double expectedValue,double interpValue){
  logger.info("At coordinate (" + x + ", "+ y+ ") the expected value is "+ expectedValue+ "; the interpolated value is "+ interpValue+ ".");
  boolean specificValueInterpUseful=true;
  if (interpValue > expectedValue + 1 || interpValue < expectedValue - 1)   specificValueInterpUseful=false;
  return specificValueInterpUseful;
}

private static boolean testSpecificValue ( double x , double y , double expectedValue , double interpValue ) { logger . info ( "At coordinate (" + x + ", " + y + ") the expected value is " + expectedValue + "; the interpolated value is " + interpValue + "." ) ; boolean specificValueInterpUseful = true ; if ( interpValue > expectedValue + 1 || interpValue < expectedValue - 1 ) specificValueInterpUseful = false ; return specificValueInterpUseful ; }
tests the interpolation of a specific expected or known value
