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 
test1(double x)19 double test1(double x)
20 {
21   return logb(x);
22 }
23 
test1f(float x)24 float test1f(float x)
25 {
26   return logbf(x);
27 }
28 
test1l(long double x)29 long double test1l(long double x)
30 {
31   return logbl(x);
32 }
33 
test2(double x)34 int test2(double x)
35 {
36   return ilogb(x);
37 }
38 
test2f(float x)39 int test2f(float x)
40 {
41   return ilogbf(x);
42 }
43 
test2l(long double x)44 int test2l(long double x)
45 {
46   return ilogbl(x);
47 }
48 
49