On 22 Feb 2013, at 13:30, to...@ump.edu.pl wrote:
s1,s2: extended;
s1:=291.022;
s2:=roundto(s1,-30); //TRoundToRange = -37..37;
give me Invalid floating point operation.
I see that roundto goes to single instead of extended. But why ?
Because overload selection is based on parameter matching from right
to left, and -30 can be exactly represented using "single" and hence
is converted to that type by the compiler when it has to turn it into
a floating point constant.
Jonas
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