385         add2 = 'if ($1 > $2) { $1 = $2 ; }' ;  variable
389             add2 = 'if (!islessequal ($1, $2)) { $1 = $2 ; }' ;  variable
391             add2 = 'if (!isnan ($2) && !islessequal ($1, $2)) { $1 = $2 ; }' ;  variable
397         add2 = 'if ($1 < $2) { $1 = $2 ; }' ;  variable
401             add2 = 'if (!isgreaterequal ($1, $2)) { $1 = $2 ; }' ;  variable
403             add2 = 'if (!isnan ($2) && !isgreaterequal ($1, $2)) { $1 = $2 ; }';  variable
408     add2 = strrep (add,  'w', '`$1''') ;  variable
409     add2 = strrep (add2, 't', '`$2''') ;  variable
414 add2 = strrep (addfunc,  'w', '`$1''') ;  variable
415 add2 = strrep (add2,     't', '`$2''') ;  variable
435     add2 = strrep (add,  'w', '`$1''') ;  variable
436     add2 = strrep (add2, 't', 'x_op_y') ;  variable