[RFC] Add code to support evaluating Fortran exponentiation expression

[Wu Zhou]

On Sun, 3 Jul 2005, Daniel Jacobowitz wrote:

> > 2005-06-20  Wu Zhou  <woodzltc@cn.ibm.com>
> > 
> > 	* f-exp.y (yyparse): Add code to support exponentiation expression.
> > 	(yylex): Add code to scan exponentiation operator.
> > 	* eval.c (evaluate_subexp_standard): Add support for BINOP_EXP.
> > 	* valarith.c (value_binop): Reset errno to 0 before calling pow
> > 	to do exponentiation operation.
> 
> Yes, this version is OK.  Thank you.

Committed.  Thanks for reviewing this.

- Wu Zhou