#include <Ninja.h> 
Float njPow( n1, n2 )
Float n1 
Float n2

void main( void )
{
  Float ｘ = 2.f , y = 4.f
  Float ans;
  
  ans = njPow( x , y );
  printf( "ans = %f\n", ans );
}
ans = 16.000000