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From: Kevin Myers on 14 Oct 2009 20:15
Ok, maybe I am just being dense, but I am unable to get the VARARGS option
of the FUNCTION statement of PROC FCMP to work. I tried something as close
to straight from the docs as possible, and here is the result:

480 proc fcmp outlib=work.test.test;
WARNING: No CMP or C functions found in library work.test.
481 function summation (b[*]) varargs;
482 total = 0;
483 do i = 1 to dim(b);
484 total = total + b[i];
485 end;
486 return(total);
487 endsub;
488 run;
NOTE: Function summation saved to work.test.test.
NOTE: PROCEDURE FCMP used (Total process time):
real time 0.06 seconds
cpu time 0.01 seconds
?
489
490 options cmplib=work.test;
491 data _null_;
492 s=summation(1,2,3,4,5);
492 s=summation(1,2,3,4,5);
---------
72
ERROR 72-185: The summation function call has too many arguments.
492 s=summation(1,2,3,4,5);
---------
707
ERROR 707-185: Expecting array for argument 1 of the summation subroutine
call.
493 put s=;
494 run;
NOTE: The SAS System stopped processing this step because of errors.
NOTE: DATA statement used (Total process time):
real time 0.01 seconds
cpu time 0.01 seconds

Most of the code above, including the function definition and the function
call, was copied straight from the docs. What am I doing wrong?

s/KAM
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