1  /* Copyright (C) 2004 Free Software Foundation.
       2  
       3     Check that logb, logbf, logbl, ilogb, ilogbf and ilogbl
       4     built-in functions compile.
       5  
       6     Written by Uros Bizjak, 14th April 2004.  */
       7  
       8  /* { dg-do compile } */
       9  /* { dg-options "-O2 -ffast-math" } */
      10  
      11  extern double logb(double);
      12  extern float logbf(float);
      13  extern long double logbl(long double);
      14  extern int ilogb(double);
      15  extern int ilogbf(float);
      16  extern int ilogbl(long double);
      17  
      18  
      19  double test1(double x)
      20  {
      21    return logb(x);
      22  }
      23  
      24  float test1f(float x)
      25  {
      26    return logbf(x);
      27  }
      28  
      29  long double test1l(long double x)
      30  {
      31    return logbl(x);
      32  }
      33  
      34  int test2(double x)
      35  {
      36    return ilogb(x);
      37  }
      38  
      39  int test2f(float x)
      40  {
      41    return ilogbf(x);
      42  }
      43  
      44  int test2l(long double x)
      45  {
      46    return ilogbl(x);
      47  }
      48