Add a unit test for MatButterfly::getNonZeros and getNBytes().

misc/test/src/C++/faust_butterfly_mat.cpp.in

@@ -5,6 +5,7 @@
 typedef @TEST_FPP@ FPP;
 
 using namespace Faust;
+using namespace std;
 
 void testClone(MatButterfly<FPP, Cpu>& butterflyMat)
 {
@@ -97,6 +98,19 @@ void testTranspose(MatButterfly<FPP, Cpu>& butterflyMat, MatSparse<FPP, Cpu>& sp
 	std::cout << "MatButterfly transpose OK" << std::endl;
 }
 
+void testNNZSize(MatButterfly<FPP, Cpu>& butterflyMat, MatSparse<FPP, Cpu>& spButterflyMat)
+{
+
+	assert(butterflyMat.getNonZeros() == spButterflyMat.getNonZeros());
+//	cout << "nbytes sp, butter:" << spButterflyMat.getNBytes() << " " << butterflyMat.getNBytes()  << endl;
+	assert(butterflyMat.getNBytes() == (butterflyMat.getNbRow() * (2 * sizeof(FPP) + sizeof(int))));
+	MatButterfly<FPP, Cpu> tbutterflyMat(butterflyMat);
+	tbutterflyMat.transpose();
+//	cout << "nbytes sp, tbutter:" << spButterflyMat.getNBytes() << " " << tbutterflyMat.getNBytes()  << endl;
+	assert(tbutterflyMat.getNBytes() == (tbutterflyMat.getNbRow() * (3 * sizeof(FPP) + sizeof(int))));
+	std::cout << "MatButterfly getNonZeros() and getNBytes() OK" << std::endl;
+}
+
 int main(int argc, char** argv)
 {
 	int log2size = 4;
@@ -159,6 +173,8 @@ int main(int argc, char** argv)
 	testClone(butterflyMat);
 
 	testTranspose(butterflyMat, spButterflyMat);
+	testNNZSize(butterflyMat, spButterflyMat);
+
 
 	return EXIT_SUCCESS;
 }