#include "test_I.h" int test_I_logcount (int iterations) { int error = 0; int i; // Check additivity. for (i = iterations; i > 0; i--) { cl_I a = testrandom_I(); cl_I b = testrandom_I(); if (a >= 0 && b >= 0) ASSERT2(logcount(a) == logcount(logand(a,b)) + logcount(logandc2(a,b)), a,b); } // Check behaviour on sign change. for (i = iterations; i > 0; i--) { cl_I a = testrandom_I(); ASSERT1(logcount(lognot(a)) == logcount(a), a); } // Check shift invariance. for (i = iterations; i > 0; i--) { cl_I a = testrandom_I(); sintL b = random32() % 1024; ASSERT2(logcount(ash(a,b)) == logcount(a) + (minusp(a) ? b : 0), a,b); } return error; }