NAME

       getablexprmin - applies a function to all operands.

SYNOPSYS

       #include "abl101.h"
       chain_list ∗getablexprmin( Function, Expr )
         int       (∗Function)();
         chain_list ∗Expr;

PARAMETERS

       Function            Cost function.

       Expr                Expression to scan.

DESCRIPTION

       getablexprmin applies the cost function Function to all operands of Expr.

RETURN VALUE

       getablexprmin  returns  the  operand  for  which  unction  gives  the  minimum  cost.  The
       expression pointer returned MUSTN'T be modified after the call to this function.

ERRORS

       getablexprmin error ...

EXAMPLE

       #include "abl101.h"
           int MapFunction( MapExpr )
             chain_list ∗MapExpr;
           {
             return( getabldepthexpr( MapExpr ) );
           }
           ...
           chain_list ∗Expr;
           chain_list ∗Expr1;
           Expr = createablbinexpr( ABL_AND,
                                    createablatom( "a" ),
                                    createablatom( "b" ) );
          Expr1 = getablexprmin( MapFunction, Expr );

SEE ALSO

       abl(1)