Re: can't initialize a constant using another constant?

Shriramana Sharma wrote:

> Quite some time since I wrote. I hope you are all keeping well. :)
> 
> A strange thing I ran across this evening. I was not allowed to do:
> 
> const double lunarSynodicMonth = 29.53059 ;
> const double daysLunarPhaseAngleTakesPerDegree = lunarSynodicMonth / 360.0 ;
> 
> I got the following error:
> 
> wdf-karanas.c:17: error: initializer element is not constant
> make: *** [wdf-karanas.o] Error 1
> 
> I would be grateful if anyone could shed some light. TIA.

In C, "const" is only relevant to pointer targets. Adding the "const"
modifier to a variable has no effect.

You need to change lunarSynodicMonth to a macro (#define) if you want
to be able to use it in an initialiser.

-- 
Glynn Clements <[email protected]>