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>> >Even if it did, there's another reason for not using "dble" to change the type >> >of this constant (particularly if it is in the executable section of the >> >program) -- >> > >> >"dble" may require a function evaluation. 3.1541926d0 does not. >> >> Why? Do you know any compiler that would > >Would what? Question us unclear. Would require a function evaluation. >> -- even the lamentable Powerstation? >> We have had mixed mode arithmetic for ages. > >DBLE may be required for preparing an argument for >a subroutine call or function reference. It may also be required to force >the evaluation of an expression to be done in double precision rather >than in single precision. Yes, but I am still unclear as to why you believe any of these uses should ever require a function evaluation. Hoisting a single to a double precision variable should be doable without a function call. Regards, Paddy Paddy O'Brien, Transmission Development, TransGrid, PO Box A1000, Sydney South, NSW 2000, Australia Tel: +61 2 9284-3063 Fax: +61 2 9284-3050 Email: [log in to unmask] Either "\'" or "\s" (to escape the apostrophe) seems to work for most people, but that little whizz-bang apostrophe gives me little spam. %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%