JAMALANG = 'EN'
PolymorphicArgumentException = -1
ArgumentTypeException = -2
ArgumentBoundsException = -3
MatrixDimensionException = -4
PrecisionLossException = -5
MatrixSPDException = -6
MatrixSingularException = -7
MatrixRankException = -8
ArrayLengthException = -9
RowLengthException = -10
JAMAError( $errorNumber = null)
Custom error handler