Am 17.09.2012 01:35, schrieb Robert Wessels:
> The following compiles just fine.
>
> #include <msp430.h>
> #include <math.h>
>
> unsigned int foo = 0;
> int main()
> {
> double var = log(1024);
> var++;
> }
As this is just a constant, the compiler is calculating the value. it
will not call "log"
> This piece of code however gives:
[...cut example with "log(foo)"...]
> main.o: In function `main':
> /Users/rwessels/tmp/log_bug/main.c:9: undefined reference to `log'
you probably did not link the math library. try adding "-lm" when you're
linking.
chris
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