1/* PR target/10114 */
2/* Originator: James Troup <james@nocrew.org> */
3/* { dg-do compile { target sparc-*-linux* } } */
4/* { dg-options "-g -O1" } */
5
6extern __inline double sqrt (double __x)
7{
8  register double __r;
9  __asm ("fsqrtd %1,%0" : "=f" (__r) : "f" (__x));
10  return __r;
11}
12
13static double our_skew, max_update_skew;
14
15static double Sqr(double x)
16{
17  return x*x;
18}
19
20void REF_SetReference(double skew)
21{
22  double previous_skew, new_skew;
23  double old_weight, new_weight, sum_weight;
24  double delta_freq1, delta_freq2;
25  double skew1, skew2;
26
27  previous_skew = our_skew;
28  skew1 = sqrt((Sqr(delta_freq1) * old_weight + Sqr(delta_freq2) * new_weight) / sum_weight);
29  skew2 = (previous_skew * old_weight + new_skew * new_weight) / sum_weight;
30  our_skew = skew1 + skew2;
31}
32