/* test66: test a whole bunch of basic comparisons. * * this test can be used both to generate test cases and run the test * case. all the results to be computed are in myresults[] on each iteration. * invoke the test with an argument, e.g. "./test66 gen" to generate * test66expected.h. then recompile, and run the result. so all you * have to do to add a (integer-valued) test expression as a function * of an int, float or double, is increase SUBRESULTS, add the expression * to myresults[], and regenerate the desired results file. */ #include #include int max_error = 10; #include "common.h" #define RESULTSNAME desired #define SUBRESULTS 131 int desired[][SUBRESULTS] = { #include "test66expected.h" }; #define CASES (sizeof(desired)/sizeof(desired[0])) int main(int argc, char *argv[]) { int a, b; int gen = 0; int n = 0; if(argc != 1) gen = 1; else start(66); for(a = -10; a < 10; a++) { for(b = -10; b < 10; b++) { float fa = a/4.0, fb = b/4.0; double da = a/4.0, db = b/4.0; signed long long a64s = a, b64s = b, ds, ms; unsigned long long a64u = a, b64u = b, mu; signed long a32s = a, b32s = b, ds32, ms32; unsigned long a32u = a, b32u = b, mu32; /* indicate no result */ mu32 = ds32 = ms32 = mu = ds = ms = 31337; if(b64s != 0) { /* some 64-bit arithmetic */ ds = a64s/b64s; ms = a64s%b64s; mu = a64u%b64u; ds32 = a32s/b32s; ms32 = a32s%b32s; mu32 = a32u%b32u; } int myresults[SUBRESULTS] = { /* these results lots of combinations of float, double, int * and signed and unsigned 64-bit comparisons (and therefore * also conversions). */ a < b, a <= b, a == b, a >= b, a > b, a < fb, a <= fb, a == fb, a >= fb, a > fb, a < db, a <= db, a == db, a >= db, a > db, a < b64s, a <= b64s, a == b64s, a >= b64s, a > b64s, a < b64u, a <= b64u, a == b64u, a >= b64u, a > b64u, fa < b, fa <= b, fa == b, fa >= b, fa > b, fa < fb, fa <= fb, fa == fb, fa >= fb, fa > fb, fa < db, fa <= db, fa == db, fa >= db, fa > db, fa < b64s, fa <= b64s, fa == b64s, fa >= b64s, fa > b64s, fa < b64u, fa <= b64u, fa == b64u, fa >= b64u, fa > b64u, da < b, da <= b, da == b, da >= b, da > b, da < fb, da <= fb, da == fb, da >= fb, da > fb, da < db, da <= db, da == db, da >= db, da > db, da < b64s, da <= b64s, da == b64s, da >= b64s, da > b64s, da < b64u, da <= b64u, da == b64u, da >= b64u, da > b64u, a64s < b, a64s <= b, a64s == b, a64s >= b, a64s > b, a64s < fb, a64s <= fb, a64s == fb, a64s >= fb, a64s > fb, a64s < db, a64s <= db, a64s == db, a64s >= db, a64s > db, a64s < b64s, a64s <= b64s, a64s == b64s, a64s >= b64s, a64s > b64s, a64s < b64u, a64s <= b64u, a64s == b64u, a64s >= b64u, a64s > b64u, a64u < b, a64u <= b, a64u == b, a64u >= b, a64u > b, a64u < fb, a64u <= fb, a64u == fb, a64u >= fb, a64u > fb, a64u < db, a64u <= db, a64u == db, a64u >= db, a64u > db, a64u < b64s, a64u <= b64s, a64u == b64s, a64u >= b64s, a64u > b64s, a64u < b64u, a64u <= b64u, a64u == b64u, a64u >= b64u, a64u > b64u, /* 64-bit divison, modulo operations */ (int) ds, (int) ms, (int) mu, /* 32-bit divison, modulo operations */ (int) ds32, (int) ms32, (int) mu32 }; if(gen) { int r; printf("{ "); for(r = 0; r < SUBRESULTS; r++) { printf("%d, ", myresults[r]); } printf(" }, \n"); } else { int subresults; int s; subresults = sizeof(desired[n])/ sizeof(desired[n][0]); assert(subresults == SUBRESULTS); for(s = 0; s < subresults; s++) { if(desired[n][s] != myresults[s]) { printf("a, b = %d, %d: %d != %d\n", a, b, desired[n][s], myresults[s]); e(n); } else { assert(desired[n][s] == myresults[s]); } } } n++; } } if(!gen) { assert(n == CASES); quit(); } return 0; }