1 /* Copyright (C) 2003 Free Software Foundation.
2 
3    Check that built-in cabs, cabsf and cabsl functions don't
4    break anything and produces the expected results.
5 
6    Written by Roger Sayle, 1st June 2003.  */
7 
8 /* { dg-do link } */
9 /* { dg-options "-O2 -ffast-math" } */
10 
11 #include "builtins-config.h"
12 
13 extern void link_error(void);
14 
15 extern float cabsf (float _Complex);
16 extern double cabs (double _Complex);
17 extern long double cabsl (long double _Complex);
18 
19 int
main(void)20 main (void)
21 {
22   /* For each type, test both runtime and compile time (constant folding)
23      optimization.  */
24   float _Complex fc = 3.0F + 4.0iF;
25   double _Complex dc = 3.0 + 4.0i;
26   long double _Complex ldc = 3.0L + 4.0iL;
27 
28 #ifdef HAVE_C99_RUNTIME
29   /* Test floats.  */
30   if (cabsf (fc) != 5.0F)
31     link_error ();
32   if (__builtin_cabsf (fc) != 5.0F)
33     link_error ();
34   if (cabsf (3.0F + 4.0iF) != 5.0F)
35     link_error ();
36   if (__builtin_cabsf (3.0F + 4.0iF) != 5.0F)
37     link_error ();
38 #endif
39 
40   /* Test doubles.  */
41   if (cabs (dc) != 5.0)
42     link_error ();
43   if (__builtin_cabs (dc) != 5.0)
44     link_error ();
45   if (cabs (3.0 + 4.0i) != 5.0)
46     link_error ();
47   if (__builtin_cabs (3.0 + 4.0i) != 5.0)
48     link_error ();
49 
50 #ifdef HAVE_C99_RUNTIME
51   /* Test long doubles.  */
52   if (cabsl (ldc) != 5.0L)
53     link_error ();
54   if (__builtin_cabsl (ldc) != 5.0L)
55     link_error ();
56   if (cabsl (3.0L + 4.0iL) != 5.0L)
57     link_error ();
58   if (__builtin_cabsl (3.0L + 4.0iL) != 5.0L)
59     link_error ();
60 #endif
61 
62   return 0;
63 }
64 
65