1 /* Test for builtin abs, labs, llabs, imaxabs. Test for __builtin versions. */
2 /* Origin: Joseph Myers <jsm28@cam.ac.uk> */
3
4 #include <limits.h>
5 typedef __INTMAX_TYPE__ intmax_t;
6 #define INTMAX_MAX __INTMAX_MAX__
7
8 extern void abort (void);
9 extern void link_error (void);
10
11 void
main_test(void)12 main_test (void)
13 {
14 /* For each type, test both runtime and compile time (constant folding)
15 optimization. */
16 volatile int i0 = 0, i1 = 1, im1 = -1, imin = -INT_MAX, imax = INT_MAX;
17 volatile long l0 = 0L, l1 = 1L, lm1 = -1L, lmin = -LONG_MAX, lmax = LONG_MAX;
18 volatile long long ll0 = 0LL, ll1 = 1LL, llm1 = -1LL;
19 volatile long long llmin = -__LONG_LONG_MAX__, llmax = __LONG_LONG_MAX__;
20 volatile intmax_t imax0 = 0, imax1 = 1, imaxm1 = -1;
21 volatile intmax_t imaxmin = -INTMAX_MAX, imaxmax = INTMAX_MAX;
22 if (__builtin_abs (i0) != 0)
23 abort ();
24 if (__builtin_abs (0) != 0)
25 link_error ();
26 if (__builtin_abs (i1) != 1)
27 abort ();
28 if (__builtin_abs (1) != 1)
29 link_error ();
30 if (__builtin_abs (im1) != 1)
31 abort ();
32 if (__builtin_abs (-1) != 1)
33 link_error ();
34 if (__builtin_abs (imin) != INT_MAX)
35 abort ();
36 if (__builtin_abs (-INT_MAX) != INT_MAX)
37 link_error ();
38 if (__builtin_abs (imax) != INT_MAX)
39 abort ();
40 if (__builtin_abs (INT_MAX) != INT_MAX)
41 link_error ();
42 if (__builtin_labs (l0) != 0L)
43 abort ();
44 if (__builtin_labs (0L) != 0L)
45 link_error ();
46 if (__builtin_labs (l1) != 1L)
47 abort ();
48 if (__builtin_labs (1L) != 1L)
49 link_error ();
50 if (__builtin_labs (lm1) != 1L)
51 abort ();
52 if (__builtin_labs (-1L) != 1L)
53 link_error ();
54 if (__builtin_labs (lmin) != LONG_MAX)
55 abort ();
56 if (__builtin_labs (-LONG_MAX) != LONG_MAX)
57 link_error ();
58 if (__builtin_labs (lmax) != LONG_MAX)
59 abort ();
60 if (__builtin_labs (LONG_MAX) != LONG_MAX)
61 link_error ();
62 if (__builtin_llabs (ll0) != 0LL)
63 abort ();
64 if (__builtin_llabs (0LL) != 0LL)
65 link_error ();
66 if (__builtin_llabs (ll1) != 1LL)
67 abort ();
68 if (__builtin_llabs (1LL) != 1LL)
69 link_error ();
70 if (__builtin_llabs (llm1) != 1LL)
71 abort ();
72 if (__builtin_llabs (-1LL) != 1LL)
73 link_error ();
74 if (__builtin_llabs (llmin) != __LONG_LONG_MAX__)
75 abort ();
76 if (__builtin_llabs (-__LONG_LONG_MAX__) != __LONG_LONG_MAX__)
77 link_error ();
78 if (__builtin_llabs (llmax) != __LONG_LONG_MAX__)
79 abort ();
80 if (__builtin_llabs (__LONG_LONG_MAX__) != __LONG_LONG_MAX__)
81 link_error ();
82 if (__builtin_imaxabs (imax0) != 0)
83 abort ();
84 if (__builtin_imaxabs (0) != 0)
85 link_error ();
86 if (__builtin_imaxabs (imax1) != 1)
87 abort ();
88 if (__builtin_imaxabs (1) != 1)
89 link_error ();
90 if (__builtin_imaxabs (imaxm1) != 1)
91 abort ();
92 if (__builtin_imaxabs (-1) != 1)
93 link_error ();
94 if (__builtin_imaxabs (imaxmin) != INTMAX_MAX)
95 abort ();
96 if (__builtin_imaxabs (-INTMAX_MAX) != INTMAX_MAX)
97 link_error ();
98 if (__builtin_imaxabs (imaxmax) != INTMAX_MAX)
99 abort ();
100 if (__builtin_imaxabs (INTMAX_MAX) != INTMAX_MAX)
101 link_error ();
102 }
103