42 

    42 

    43 #include "constant_folding.hh"

    43 #include "constant_folding.hh"

    44 #include <typeinfo>

    44 #include <typeinfo>

    45 #include <limits>

    45 #include <limits>

    46 #include <math.h> /* required for pow function */

    46 #include <math.h> /* required for pow function */

    47 

    48 

    48 #define FIRST_(symbol1, symbol2) (((symbol1)->first_order < (symbol2)->first_order)   ? (symbol1) : (symbol2))

    49 #define FIRST_(symbol1, symbol2) (((symbol1)->first_order < (symbol2)->first_order)   ? (symbol1) : (symbol2))

    49 #define  LAST_(symbol1, symbol2) (((symbol1)->last_order  > (symbol2)->last_order)    ? (symbol1) : (symbol2))

    50 #define  LAST_(symbol1, symbol2) (((symbol1)->last_order  > (symbol2)->last_order)    ? (symbol1) : (symbol2))

    50 

    51 

    51 #define STAGE3_ERROR(error_level, symbol1, symbol2, ...) {                                                                  \

    52 #define STAGE3_ERROR(error_level, symbol1, symbol2, ...) {                                                                  \