1  /* Copyright (C) 2003 Free Software Foundation.
       2  
       3     Check that the RTL expansion of floating point exponentiation by
       4     a constant integer doesn't break anything and produces the expected
       5     results.
       6  
       7     Written by Roger Sayle, 20th June 2003.  */
       8  
       9  /* { dg-do run } */
      10  /* { dg-options "-O2 -ffast-math" } */
      11  
      12  extern double pow(double,double);
      13  extern void abort(void);
      14  
      15  double foo (double x)
      16  {
      17    return pow (x, 6);
      18  }
      19  
      20  double bar (double x)
      21  {
      22    return pow (x, -4);
      23  }
      24  
      25  int main()
      26  {
      27    if (foo (2.0) != 64.0)
      28      abort ();
      29  
      30    if (bar (2.0) != 0.0625)
      31      abort ();
      32  
      33    return 0;
      34  }
      35