source: CIVL/mods/dev.civl.com/examples/library/civlc/pow.cvl@ cb4d4f4

#include<civlc.cvh>

$input double x;
int main(){
  double t=$pow(x, 0.5),y;
  y=t*t;
  $assert(x==y);
  y=$pow(t, 2);
  $assert(x==y);
}