[Tech] libreria math.h

[GHERdO]

Valerio Montagnani <tech@vmontagnani.it> scriveva: 

 VM> #include <math.h>
 VM> double x;
 VM> int main() {
 VM> x=1;
 VM> printf("%e \n",log(x));
 VM> }

 VM> compilando  ottengo il seguente errore:

 VM> /tmp/ccBtFDtT.o: In function 'main':
 VM> /tmp/ccBtFDtT.o(.text+0x2d): undefined reference to 'log'
 VM> collect2: ld return 1 exit status

gcc prova.c -o prova -lm

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GHERdO, happy GNU/linux user.

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