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authorAnton Samokhvalov <pg83@yandex.ru>2022-02-10 16:45:15 +0300
committerDaniil Cherednik <dcherednik@yandex-team.ru>2022-02-10 16:45:15 +0300
commit72cb13b4aff9bc9cf22e49251bc8fd143f82538f (patch)
treeda2c34829458c7d4e74bdfbdf85dff449e9e7fb8 /library/cpp/pop_count/popcount_ut.cpp
parent778e51ba091dc39e7b7fcab2b9cf4dbedfb6f2b5 (diff)
downloadydb-72cb13b4aff9bc9cf22e49251bc8fd143f82538f.tar.gz
Restoring authorship annotation for Anton Samokhvalov <pg83@yandex.ru>. Commit 1 of 2.
Diffstat (limited to 'library/cpp/pop_count/popcount_ut.cpp')
-rw-r--r--library/cpp/pop_count/popcount_ut.cpp126
1 files changed, 63 insertions, 63 deletions
diff --git a/library/cpp/pop_count/popcount_ut.cpp b/library/cpp/pop_count/popcount_ut.cpp
index 5cd6605411..df2d246de2 100644
--- a/library/cpp/pop_count/popcount_ut.cpp
+++ b/library/cpp/pop_count/popcount_ut.cpp
@@ -1,70 +1,70 @@
-#include "popcount.h"
-
+#include "popcount.h"
+
#include <library/cpp/testing/unittest/registar.h>
-
-#include <util/random/random.h>
-
+
+#include <util/random/random.h>
+
Y_UNIT_TEST_SUITE(TestPopCount) {
- template <class T>
- static inline ui32 SlowPopCount(T t) {
- ui32 ret = 0;
-
- while (t) {
- if (t & T(1)) {
- ++ret;
- }
-
- t = t >> 1;
- }
-
- return ret;
- }
-
- template <class T>
- static inline void Test() {
- for (size_t i = 0; i < 10000; ++i) {
- const T rndv = RandomNumber<T>();
-
- UNIT_ASSERT_VALUES_EQUAL(SlowPopCount(rndv), PopCount(rndv));
- }
- }
-
+ template <class T>
+ static inline ui32 SlowPopCount(T t) {
+ ui32 ret = 0;
+
+ while (t) {
+ if (t & T(1)) {
+ ++ret;
+ }
+
+ t = t >> 1;
+ }
+
+ return ret;
+ }
+
+ template <class T>
+ static inline void Test() {
+ for (size_t i = 0; i < 10000; ++i) {
+ const T rndv = RandomNumber<T>();
+
+ UNIT_ASSERT_VALUES_EQUAL(SlowPopCount(rndv), PopCount(rndv));
+ }
+ }
+
Y_UNIT_TEST(Test8) {
- Test<ui8>();
- }
-
+ Test<ui8>();
+ }
+
Y_UNIT_TEST(Test16) {
- Test<ui16>();
- }
-
+ Test<ui16>();
+ }
+
Y_UNIT_TEST(Test32) {
- Test<ui32>();
- }
-
+ Test<ui32>();
+ }
+
Y_UNIT_TEST(Test64) {
- Test<ui64>();
- }
-
+ Test<ui64>();
+ }
+
Y_UNIT_TEST(TestPopCount) {
- UNIT_ASSERT_VALUES_EQUAL(PopCount(0), 0);
- UNIT_ASSERT_VALUES_EQUAL(PopCount(1), 1);
- UNIT_ASSERT_VALUES_EQUAL(PopCount(1 << 10), 1);
- UNIT_ASSERT_VALUES_EQUAL(PopCount((1 << 10) + 1), 2);
- UNIT_ASSERT_VALUES_EQUAL(PopCount(0xFFFF), 16);
- UNIT_ASSERT_VALUES_EQUAL(PopCount(0xFFFFFFFF), 32);
- UNIT_ASSERT_VALUES_EQUAL(PopCount(0x55555555), 16);
-
- UNIT_ASSERT_VALUES_EQUAL(0, PopCount(0ULL));
- UNIT_ASSERT_VALUES_EQUAL(1, PopCount(1ULL));
- UNIT_ASSERT_VALUES_EQUAL(16, PopCount(0xAAAAAAAAULL));
- UNIT_ASSERT_VALUES_EQUAL(32, PopCount(0xFFFFFFFFULL));
- UNIT_ASSERT_VALUES_EQUAL(32, PopCount(0xAAAAAAAAAAAAAAAAULL));
- UNIT_ASSERT_VALUES_EQUAL(64, PopCount(0xFFFFFFFFFFFFFFFFULL));
-
- ui64 v = 0;
-
- for (int i = 0; i < 64; v |= 1ULL << i, ++i) {
- UNIT_ASSERT_VALUES_EQUAL(i, PopCount(v));
- }
- }
-}
+ UNIT_ASSERT_VALUES_EQUAL(PopCount(0), 0);
+ UNIT_ASSERT_VALUES_EQUAL(PopCount(1), 1);
+ UNIT_ASSERT_VALUES_EQUAL(PopCount(1 << 10), 1);
+ UNIT_ASSERT_VALUES_EQUAL(PopCount((1 << 10) + 1), 2);
+ UNIT_ASSERT_VALUES_EQUAL(PopCount(0xFFFF), 16);
+ UNIT_ASSERT_VALUES_EQUAL(PopCount(0xFFFFFFFF), 32);
+ UNIT_ASSERT_VALUES_EQUAL(PopCount(0x55555555), 16);
+
+ UNIT_ASSERT_VALUES_EQUAL(0, PopCount(0ULL));
+ UNIT_ASSERT_VALUES_EQUAL(1, PopCount(1ULL));
+ UNIT_ASSERT_VALUES_EQUAL(16, PopCount(0xAAAAAAAAULL));
+ UNIT_ASSERT_VALUES_EQUAL(32, PopCount(0xFFFFFFFFULL));
+ UNIT_ASSERT_VALUES_EQUAL(32, PopCount(0xAAAAAAAAAAAAAAAAULL));
+ UNIT_ASSERT_VALUES_EQUAL(64, PopCount(0xFFFFFFFFFFFFFFFFULL));
+
+ ui64 v = 0;
+
+ for (int i = 0; i < 64; v |= 1ULL << i, ++i) {
+ UNIT_ASSERT_VALUES_EQUAL(i, PopCount(v));
+ }
+ }
+}