32 lines
779 B
C
32 lines
779 B
C
/* PR target/10114 */
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/* Originator: James Troup <james@nocrew.org> */
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/* { dg-do compile { target sparc-*-linux* } } */
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/* { dg-options "-g -O1" } */
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extern __inline double sqrt (double __x)
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{
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register double __r;
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__asm ("fsqrtd %1,%0" : "=f" (__r) : "f" (__x));
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return __r;
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}
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static double our_skew, max_update_skew;
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static double Sqr(double x)
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{
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return x*x;
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}
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void REF_SetReference(double skew)
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{
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double previous_skew, new_skew;
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double old_weight, new_weight, sum_weight;
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double delta_freq1, delta_freq2;
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double skew1, skew2;
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previous_skew = our_skew;
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skew1 = sqrt((Sqr(delta_freq1) * old_weight + Sqr(delta_freq2) * new_weight) / sum_weight);
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skew2 = (previous_skew * old_weight + new_skew * new_weight) / sum_weight;
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our_skew = skew1 + skew2;
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}
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