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consolidate binary() member functions of Comm and Balance into utils::binary_search()

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This commit is contained in:
Axel Kohlmeyer
2021-09-06 16:58:14 -04:00
parent 801cd647c3
commit 898f8086db
7 changed files with 71 additions and 80 deletions
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18
unittest/utils/test_utils.cpp
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@ -875,6 +875,24 @@ TEST(Utils, date2num)
ASSERT_EQ(utils::date2num("31December100"), 1001231);
}
TEST(Utils, binary_search)
{
double data[] = {-2.0, -1.8, -1.0, -1.0, -1.0, -0.5, -0.2, 0.0, 0.1, 0.1,
0.2, 0.3, 0.5, 0.5, 0.6, 0.7, 1.0, 1.2, 1.5, 2.0};
const int n = sizeof(data) / sizeof(double);
ASSERT_EQ(utils::binary_search(-5.0, n, data), 0);
ASSERT_EQ(utils::binary_search(-2.0, n, data), 0);
ASSERT_EQ(utils::binary_search(-1.9, n, data), 0);
ASSERT_EQ(utils::binary_search(-1.0, n, data), 4);
ASSERT_EQ(utils::binary_search(0.0, n, data), 7);
ASSERT_EQ(utils::binary_search(0.1, n, data), 9);
ASSERT_EQ(utils::binary_search(0.4, n, data), 11);
ASSERT_EQ(utils::binary_search(1.1, n, data), 16);
ASSERT_EQ(utils::binary_search(1.5, n, data), 18);
ASSERT_EQ(utils::binary_search(2.0, n, data), 19);
ASSERT_EQ(utils::binary_search(2.5, n, data), 19);
}
static int compare(int a, int b, void *)
{
if (a < b)