gcc/testsuite/gcc.dg/builtins-33.c

   1 /* Copyright (C) 2004 Free Software Foundation.
   2
   3    Check that log10, log10f, log10l, log2, log2f and log2l
   4    built-in functions compile.
   5
   6    Written by Uros Bizjak, 11th February 2004.  */
   7
   8 /* { dg-do compile } */
   9 /* { dg-options "-O2 -ffast-math" } */
  10
  11 extern double log10(double);
  12 extern double log2(double);
  13 extern double log1p(double);
  14 extern float log10f(float);
  15 extern float log2f(float);
  16 extern float log1pf(float);
  17 extern long double log10l(long double);
  18 extern long double log2l(long double);
  19 extern long double log1pl(long double);
  20
  21
  22 double test1(double x)
  23 {
  24   return log10(x);
  25 }
  26
  27 double test2(double x)
  28 {
  29   return log2(x);
  30 }
  31
  32 double test3(double x)
  33 {
  34   return log1p(x);
  35 }
  36
  37 float test1f(float x)
  38 {
  39   return log10f(x);
  40 }
  41
  42 float test2f(float x)
  43 {
  44   return log2f(x);
  45 }
  46
  47 float test3f(float x)
  48 {
  49   return log1pf(x);
  50 }
  51
  52 long double test1l(long double x)
  53 {
  54   return log10l(x);
  55 }
  56
  57 long double test2l(long double x)
  58 {
  59   return log2l(x);
  60 }
  61
  62 long double test3l(long double x)
  63 {
  64   return log1pl(x);
  65 }