/
githubmirror
/
glibc
Обзор
Документация
Войти
/
githubmirror
/
glibc
Код
Запросы
0
Пакеты
0
Релизы
0
Аналитика
Безопасность
master
stdlib/tst-rand48.c
393 строки
9 KB
Adhemerval Zanella
stdlib: Fix tst-rand48.c printf types
31 мар 2022, 15:13
31 мар 2022, 15:13
3ff447f
Код
Авторство
О чём код?
#include <float.h> #include <stdio.h> #include <stdlib.h> #include <string.h> #ifndef DECIMAL_DIG # define DECIMAL_DIG 21 #endif static int do_test (void) { unsigned short int xs[3] = { 0x0001, 0x0012, 0x0123 }; unsigned short int lxs[7]; unsigned short int *xsp; int result = 0; long int l; double d; double e; /* Test srand48. */ srand48 (0x98765432); /* Get the values of the internal Xi array. */ xsp = seed48 (xs); if (xsp[0] != 0x330e || xsp[1] != 0x5432 || xsp[2] != 0x9876) { puts ("srand48(0x98765432) didn't set correct value"); printf (" expected: { %04x, %04x, %04x }\n", 0x330e, 0x5432, 0x9876); printf (" seen: { %04hx, %04hx, %04hx }\n", xsp[0], xsp[1], xsp[2]); result = 1; } /* Put the values back. */ memcpy (xs, xsp, sizeof (xs)); (void) seed48 (xs); /* See whether the correct values are installed. */ l = lrand48 (); if (l != 0x2fed1413l) { printf ("lrand48() in line %d failed: expected %lx, seen %lx\n", __LINE__ - 4, 0x2fed1413l, l); result = 1; } l = mrand48 (); if (l != -0x5d73effdl) { printf ("mrand48() in line %d failed: expected %lx, seen %lx\n", __LINE__ - 4, -0x5d73effdl, l); result = 1; } l = lrand48 (); if (l != 0x585fcfb7l) { printf ("lrand48() in line %d failed: expected %lx, seen %lx\n", __LINE__ - 4, 0x585fcfb7l, l); result = 1; } l = mrand48 (); if (l != -0x61770b8cl) { printf ("mrand48() in line %d failed: expected %lx, seen %lx\n", __LINE__ - 4, -0x61770b8cl, l); result = 1; } /* Test seed48. The previous call should have install the values in the initialization of `xs' above. */ xs[0] = 0x1234; xs[1] = 0x5678; xs[2] = 0x9012; xsp = seed48 (xs); if (xsp[0] != 0x62f2 || xsp[1] != 0xf474 || xsp[2] != 0x9e88) { puts ("seed48() did not install the values correctly"); printf (" expected: { %04x, %04x, %04x }\n", 0x62f2, 0xf474, 0x9e88); printf (" seen: { %04hx, %04hx, %04hx }\n", xsp[0], xsp[1], xsp[2]); result = 1; } /* Test lrand48 and mrand48. We continue from the seed established above. */ l = lrand48 (); if (l != 0x017e48b5l) { printf ("lrand48() in line %d failed: expected %lx, seen %lx\n", __LINE__ - 4, 0x017e48b5l, l); result = 1; } l = mrand48 (); if (l != -0x1485e05dl) { printf ("mrand48() in line %d failed: expected %lx, seen %lx\n", __LINE__ - 4, -0x1485e05dl, l); result = 1; } l = lrand48 (); if (l != 0x6b6a3f95l) { printf ("lrand48() in line %d failed: expected %lx, seen %lx\n", __LINE__ - 4, 0x6b6a3f95l, l); result = 1; } l = mrand48 (); if (l != 0x175c0d6fl) { printf ("mrand48() in line %d failed: expected %lx, seen %lx\n", __LINE__ - 4, 0x175c0d6fl, l); result = 1; } /* Test lcong48. */ lxs[0] = 0x4567; lxs[1] = 0x6789; lxs[2] = 0x8901; lxs[3] = 0x0123; lxs[4] = 0x2345; lxs[5] = 0x1111; lxs[6] = 0x2222; lcong48 (lxs); /* See whether the correct values are installed. */ l = lrand48 (); if (l != 0x6df63d66l) { printf ("lrand48() in line %d failed: expected %lx, seen %lx\n", __LINE__ - 4, 0x6df63d66l, l); result = 1; } l = mrand48 (); if (l != 0x2f92c8e1l) { printf ("mrand48() in line %d failed: expected %lx, seen %lx\n", __LINE__ - 4, 0x2f92c8e1l, l); result = 1; } l = lrand48 (); if (l != 0x3b4869ffl) { printf ("lrand48() in line %d failed: expected %lx, seen %lx\n", __LINE__ - 4, 0x3b4869ffl, l); result = 1; } l = mrand48 (); if (l != 0x5cd4cc3el) { printf ("mrand48() in line %d failed: expected %lx, seen %lx\n", __LINE__ - 4, 0x5cd4cc3el, l); result = 1; } /* Check whether srand48() restores the A and C parameters. */ srand48 (0x98765432); /* See whether the correct values are installed. */ l = lrand48 (); if (l != 0x2fed1413l) { printf ("lrand48() in line %d failed: expected %lx, seen %lx\n", __LINE__ - 4, 0x2fed1413l, l); result = 1; } l = mrand48 (); if (l != -0x5d73effdl) { printf ("mrand48() in line %d failed: expected %lx, seen %lx\n", __LINE__ - 4, -0x5d73effdl, l); result = 1; } l = lrand48 (); if (l != 0x585fcfb7l) { printf ("lrand48() in line %d failed: expected %lx, seen %lx\n", __LINE__ - 4, 0x585fcfb7l, l); result = 1; } l = mrand48 (); if (l != -0x61770b8cl) { printf ("mrand48() in line %d failed: expected %lx, seen %lx\n", __LINE__ - 4, -0x61770b8cl, l); result = 1; } /* And again to see whether seed48() does the same. */ lcong48 (lxs); /* See whether lxs wasn't modified. */ l = lrand48 (); if (l != 0x6df63d66l) { printf ("lrand48() in line %d failed: expected %lx, seen %lx\n", __LINE__ - 4, 0x6df63d66l, l); result = 1; } /* Test seed48. The previous call should have install the values in the initialization of `xs' above. */ xs[0] = 0x1234; xs[1] = 0x5678; xs[2] = 0x9012; xsp = seed48 (xs); if (xsp[0] != 0x0637 || xsp[1] != 0x7acd || xsp[2] != 0xdbec) { puts ("seed48() did not install the values correctly"); printf (" expected: { %04x, %04x, %04x }\n", 0x0637, 0x7acd, 0xdbec); printf (" seen: { %04hx, %04hx, %04hx }\n", xsp[0], xsp[1], xsp[2]); result = 1; } /* Test lrand48 and mrand48. We continue from the seed established above. */ l = lrand48 (); if (l != 0x017e48b5l) { printf ("lrand48() in line %d failed: expected %lx, seen %lx\n", __LINE__ - 4, 0x017e48b5l, l); result = 1; } l = mrand48 (); if (l != -0x1485e05dl) { printf ("mrand48() in line %d failed: expected %lx, seen %lx\n", __LINE__ - 4, -0x1485e05dl, l); result = 1; } l = lrand48 (); if (l != 0x6b6a3f95l) { printf ("lrand48() in line %d failed: expected %lx, seen %lx\n", __LINE__ - 4, 0x6b6a3f95l, l); result = 1; } l = mrand48 (); if (l != 0x175c0d6fl) { printf ("mrand48() in line %d failed: expected %lx, seen %lx\n", __LINE__ - 4, 0x175c0d6fl, l); result = 1; } /* Test drand48. */ d = drand48 (); if (d != 0.0908832261858485424) { printf ("drand48() in line %d failed: expected %.*g, seen %.*g\n", __LINE__ - 4, DECIMAL_DIG, 0.0908832261858485424, DECIMAL_DIG, d); result = 1; } d = drand48 (); if (d != 0.943149381730059133133) { printf ("drand48() in line %d failed: expected %.*g, seen %.*g\n", __LINE__ - 4, DECIMAL_DIG, 0.943149381730059133133, DECIMAL_DIG, d); result = 1; } /* Now the functions which get the Xis passed. */ xs[0] = 0x3849; xs[1] = 0x5061; xs[2] = 0x7283; l = nrand48 (xs); if (l != 0x1efe61a1l) { printf ("nrand48() in line %d failed: expected %lx, seen %lx\n", __LINE__ - 4, 0x1efe61a1l, l); result = 1; } l = jrand48 (xs); if (l != -0xa973860l) { printf ("jrand48() in line %d failed: expected %lx, seen %lx\n", __LINE__ - 4, -0xa973860l, l); result = 1; } l = nrand48 (xs); if (l != 0x2a5e57fel) { printf ("nrand48() in line %d failed: expected %lx, seen %lx\n", __LINE__ - 4, 0x2a5e57fel, l); result = 1; } l = jrand48 (xs); if (l != 0x71a779a8l) { printf ("jrand48() in line %d failed: expected %lx, seen %lx\n", __LINE__ - 4, 0x71a779a8l, l); result = 1; } /* Test whether the global A and C are used. */ lcong48 (lxs); l = nrand48 (xs); if (l != 0x32beee9fl) { printf ("nrand48() in line %d failed: expected %lx, seen %lx\n", __LINE__ - 4, 0x32beee9fl, l); result = 1; } l = jrand48 (xs); if (l != 0x7bddf3bal) { printf ("jrand48() in line %d failed: expected %lx, seen %lx\n", __LINE__ - 4, 0x7bddf3bal, l); result = 1; } l = nrand48 (xs); if (l != 0x85bdf28l) { printf ("nrand48() in line %d failed: expected %lx, seen %lx\n", __LINE__ - 4, 0x85bdf28l, l); result = 1; } l = jrand48 (xs); if (l != 0x7b433e47l) { printf ("jrand48() in line %d failed: expected %lx, seen %lx\n", __LINE__ - 4, 0x7b433e47l, l); result = 1; } /* Test erand48. Also compare with the drand48 results. */ (void) seed48 (xs); d = drand48 (); e = erand48 (xs); if (d != e) { printf ("\ drand48() and erand48 in lines %d and %d produce different results\n", __LINE__ - 6, __LINE__ - 5); printf (" drand48() = %g, erand48() = %g\n", d, e); result = 1; } else if (e != 0.640650904452755298735) { printf ("erand48() in line %d failed: expected %.*g, seen %.*g\n", __LINE__ - 4, DECIMAL_DIG, 0.640650904452755298735, DECIMAL_DIG, e); result = 1; } d = drand48 (); e = erand48 (xs); if (d != e) { printf ("\ drand48() and erand48 in lines %d and %d produce different results\n", __LINE__ - 6, __LINE__ - 5); printf (" drand48() = %g, erand48() = %g\n", d, e); result = 1; } else if (e != 0.115372323508150742555) { printf ("erand48() in line %d failed: expected %.*g, seen %.*g\n", __LINE__ - 4, DECIMAL_DIG, 0.0115372323508150742555, DECIMAL_DIG, e); result = 1; } return result; } #define TEST_FUNCTION do_test () #include "../test-skeleton.c"