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  2. RPG400-L
  3. June 2003

Re: %DEC

Marco Facchinetti wrote: 
Maybe it's just me not really understanding the meaning of
"known at compile-time".

i.e.:
c eval xxutente =%EDITC(%DEC(xxutente: c %len(xxutente):0):'Z') c* eval xxutente =%EDITC(%DEC(xxutente:6:0):'Z') 

The compiler issue an RNF0328 stating that the second
parameter of %DEC is not valid.
The commented line, of course, is working but is in "fixed"
format and not self adapting as the first one.

I'm at V5R2 and this is from the manual:

%DEC converts the value of the numeric expression to
decimal (packed) format with precision digits and decimal
places decimal positions. The precision and decimal places
must be numeric literals, named constants that represent
numeric literals, or built-in functions with a numeric
value known at compile-time. 

xxutente is a field from a ds so why the compiler
complains?

%LEN() is a built-in function that returns a value that is generally not known at compile-time. In some particular cases, the value is a particular constant value. But since %LEN() can return different values for certain types of operands, it is considered to not have a "compile-time value". For example, if XXUTENTE is defined as varying length character, the value can never be known at compile-time.

In this case, if XXUTENTE is a fixed length character field, you can use %SIZE() instead of %LEN() since one character occupies one byte:

xxutente = %EDITC(%DEC(xxutente:%size(xxutente):0):'Z');

But what exactly are you trying to do here? It appears you are converting a character string representing some signed number and converting it to a right adjusted character string repesenting the absolute value of the number and excluding digits to the right of the decimal point. A more concise way of achieving that is:

evalr xxutente = %char(%abs(%int(xxutente)));

Cheers! Hans



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