NAME

getablexprmin - applies a function to all operands.

See the file buster/alliance/alc_origin.1.en.gz.

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 );