1/* Test for builtin abs, labs, llabs, imaxabs. */ 2/* Origin: Joseph Myers <jsm28@cam.ac.uk> */ 3 4#include <limits.h> 5typedef __INTMAX_TYPE__ intmax_t; 6#define INTMAX_MAX __INTMAX_MAX__ 7 8extern int abs (int); 9extern long labs (long); 10extern long long llabs (long long); 11extern intmax_t imaxabs (intmax_t); 12extern void abort (void); 13extern void link_error (void); 14 15void 16main_test (void) 17{ 18 /* For each type, test both runtime and compile time (constant folding) 19 optimization. */ 20 volatile int i0 = 0, i1 = 1, im1 = -1, imin = -INT_MAX, imax = INT_MAX; 21 volatile long l0 = 0L, l1 = 1L, lm1 = -1L, lmin = -LONG_MAX, lmax = LONG_MAX; 22 volatile long long ll0 = 0LL, ll1 = 1LL, llm1 = -1LL; 23 volatile long long llmin = -__LONG_LONG_MAX__, llmax = __LONG_LONG_MAX__; 24 volatile intmax_t imax0 = 0, imax1 = 1, imaxm1 = -1; 25 volatile intmax_t imaxmin = -INTMAX_MAX, imaxmax = INTMAX_MAX; 26 if (abs (i0) != 0) 27 abort (); 28 if (abs (0) != 0) 29 link_error (); 30 if (abs (i1) != 1) 31 abort (); 32 if (abs (1) != 1) 33 link_error (); 34 if (abs (im1) != 1) 35 abort (); 36 if (abs (-1) != 1) 37 link_error (); 38 if (abs (imin) != INT_MAX) 39 abort (); 40 if (abs (-INT_MAX) != INT_MAX) 41 link_error (); 42 if (abs (imax) != INT_MAX) 43 abort (); 44 if (abs (INT_MAX) != INT_MAX) 45 link_error (); 46 if (labs (l0) != 0L) 47 abort (); 48 if (labs (0L) != 0L) 49 link_error (); 50 if (labs (l1) != 1L) 51 abort (); 52 if (labs (1L) != 1L) 53 link_error (); 54 if (labs (lm1) != 1L) 55 abort (); 56 if (labs (-1L) != 1L) 57 link_error (); 58 if (labs (lmin) != LONG_MAX) 59 abort (); 60 if (labs (-LONG_MAX) != LONG_MAX) 61 link_error (); 62 if (labs (lmax) != LONG_MAX) 63 abort (); 64 if (labs (LONG_MAX) != LONG_MAX) 65 link_error (); 66 if (llabs (ll0) != 0LL) 67 abort (); 68 if (llabs (0LL) != 0LL) 69 link_error (); 70 if (llabs (ll1) != 1LL) 71 abort (); 72 if (llabs (1LL) != 1LL) 73 link_error (); 74 if (llabs (llm1) != 1LL) 75 abort (); 76 if (llabs (-1LL) != 1LL) 77 link_error (); 78 if (llabs (llmin) != __LONG_LONG_MAX__) 79 abort (); 80 if (llabs (-__LONG_LONG_MAX__) != __LONG_LONG_MAX__) 81 link_error (); 82 if (llabs (llmax) != __LONG_LONG_MAX__) 83 abort (); 84 if (llabs (__LONG_LONG_MAX__) != __LONG_LONG_MAX__) 85 link_error (); 86 if (imaxabs (imax0) != 0) 87 abort (); 88 if (imaxabs (0) != 0) 89 link_error (); 90 if (imaxabs (imax1) != 1) 91 abort (); 92 if (imaxabs (1) != 1) 93 link_error (); 94 if (imaxabs (imaxm1) != 1) 95 abort (); 96 if (imaxabs (-1) != 1) 97 link_error (); 98 if (imaxabs (imaxmin) != INTMAX_MAX) 99 abort (); 100 if (imaxabs (-INTMAX_MAX) != INTMAX_MAX) 101 link_error (); 102 if (imaxabs (imaxmax) != INTMAX_MAX) 103 abort (); 104 if (imaxabs (INTMAX_MAX) != INTMAX_MAX) 105 link_error (); 106} 107