[mlpack-git] master: Test sparse iterators, when we can. (10d40be)
gitdub at big.cc.gt.atl.ga.us
gitdub at big.cc.gt.atl.ga.us
Thu Mar 5 21:56:49 EST 2015
Repository : https://github.com/mlpack/mlpack
On branch : master
Link : https://github.com/mlpack/mlpack/compare/904762495c039e345beba14c1142fd719b3bd50e...f94823c800ad6f7266995c700b1b630d5ffdcf40
>---------------------------------------------------------------
commit 10d40be120263465f0e8d3bde4251fc2322fed04
Author: Ryan Curtin <ryan at ratml.org>
Date: Tue Aug 5 15:34:20 2014 +0000
Test sparse iterators, when we can.
>---------------------------------------------------------------
10d40be120263465f0e8d3bde4251fc2322fed04
src/mlpack/tests/arma_extend_test.cpp | 97 +++++++++++++++++++++++++++++++++++
1 file changed, 97 insertions(+)
diff --git a/src/mlpack/tests/arma_extend_test.cpp b/src/mlpack/tests/arma_extend_test.cpp
index f523d4e..b3c6c69 100644
--- a/src/mlpack/tests/arma_extend_test.cpp
+++ b/src/mlpack/tests/arma_extend_test.cpp
@@ -145,4 +145,101 @@ BOOST_AUTO_TEST_CASE(RowColIteratorTest)
it = X.begin_row(0);
}
+// These tests don't work when the sparse iterators hold references and not
+// pointers internally because of the lack of default constructor.
+#if ARMA_VERSION_MAJOR > 4 || \
+ (ARMA_VERSION_MAJOR == 4 && ARMA_VERSION_MINOR > 320)
+
+/**
+ * Test sparse const_row_col_iterator for basic functionality.
+ */
+BOOST_AUTO_TEST_CASE(ConstSpRowColIteratorTest)
+{
+ sp_mat X(5, 5);
+ for (size_t i = 0; i < 5; ++i)
+ X.col(i) += i;
+
+ for (size_t i = 0; i < 5; ++i)
+ X.row(i) += 3 * i;
+
+ // Make sure default constructor works okay.
+ sp_mat::const_row_col_iterator it;
+ // Make sure ++ operator, operator* and comparison operators work fine.
+ size_t count = 1;
+ for (it = X.begin_row_col(); it != X.end_row_col(); it++)
+ {
+ // Check iterator value.
+ BOOST_REQUIRE_EQUAL(*it, (count % 5) * 3 + (count / 5));
+
+ // Check iterator position.
+ BOOST_REQUIRE_EQUAL(it.row(), count % 5);
+ BOOST_REQUIRE_EQUAL(it.col(), count / 5);
+
+ count++;
+ }
+ BOOST_REQUIRE_EQUAL(count, 25);
+ it = X.end_row_col();
+ do
+ {
+ it--;
+ count--;
+
+ // Check iterator value.
+ BOOST_REQUIRE_EQUAL(*it, (count % 5) * 3 + (count / 5));
+
+ // Check iterator position.
+ BOOST_REQUIRE_EQUAL(it.row(), count % 5);
+ BOOST_REQUIRE_EQUAL(it.col(), count / 5);
+ } while (it != X.begin_row_col());
+
+ BOOST_REQUIRE_EQUAL(count, 1);
+}
+
+/**
+ * Test sparse row_col_iterator for basic functionality.
+ */
+BOOST_AUTO_TEST_CASE(SpRowColIteratorTest)
+{
+ sp_mat X(5, 5);
+ for (size_t i = 0; i < 5; ++i)
+ X.col(i) += i;
+
+ for (size_t i = 0; i < 5; ++i)
+ X.row(i) += 3 * i;
+
+ // Make sure default constructor works okay.
+ sp_mat::row_col_iterator it;
+ // Make sure ++ operator, operator* and comparison operators work fine.
+ size_t count = 1;
+ for (it = X.begin_row_col(); it != X.end_row_col(); it++)
+ {
+ // Check iterator value.
+ BOOST_REQUIRE_EQUAL(*it, (count % 5) * 3 + (count / 5));
+
+ // Check iterator position.
+ BOOST_REQUIRE_EQUAL(it.row(), count % 5);
+ BOOST_REQUIRE_EQUAL(it.col(), count / 5);
+
+ count++;
+ }
+ BOOST_REQUIRE_EQUAL(count, 25);
+ it = X.end_row_col();
+ do
+ {
+ it--;
+ count--;
+
+ // Check iterator value.
+ BOOST_REQUIRE_EQUAL(*it, (count % 5) * 3 + (count / 5));
+
+ // Check iterator position.
+ BOOST_REQUIRE_EQUAL(it.row(), count % 5);
+ BOOST_REQUIRE_EQUAL(it.col(), count / 5);
+ } while (it != X.begin_row_col());
+
+ BOOST_REQUIRE_EQUAL(count, 1);
+}
+
+#endif
+
BOOST_AUTO_TEST_SUITE_END();
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