Fix GPU Matdense mul, multiplyLeft(MatSparse) tests and update to gpu_mod@47ad9601.

gpu_mod @ 47ad9601

-Subproject commit ef3d005614a96bf1eba01c4e8e3a138ea42e6279
+Subproject commit 47ad960169c5920c2b34da272171012f4a7850b8

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

@@ -87,7 +87,7 @@ void test_mul_gpu_dense()
 	Faust::Vect<FPP, Cpu> vec_copy(*vec);
 	cout << vec->norm() << endl;
 	cout << vec_copy.norm() << endl;
-	gpu_mat1.multiply(*vec);
+	*vec = gpu_mat1.multiply(*vec);
 	vec_copy = cpu_mat1->multiply(vec_copy);
 //	cout << vec->size() << endl;
 //	cout << vec_copy.size() << endl;
@@ -594,7 +594,7 @@ int main(int argc, char** argv)
 	test_add();
 	test_sub();
 	test_mul_eq_op();
-//	test_mul_spm(); //TODO: TOFIX
+	test_mul_spm();
 	test_get_device();
 	test_move();
 	test_mul_vec();