this is basically a design document version - it sets the scenery for upcoming additions

src/core/tests/CMakeLists.txt

@@ -0,0 +1,29 @@
+add_executable(pwcore_test_matrix
+	pwcore_test_matrix.cpp
+	)
+
+target_link_libraries(pwcore_test_matrix
+	pwcore)
+
+add_executable(pwcore_test_vector
+	pwcore_test_vector.cpp
+	)
+
+target_link_libraries(pwcore_test_vector
+	pwcore)
+
+
+add_executable(pwcore_test_quaternion
+	pwcore_test_quaternion.cpp
+	)
+
+target_link_libraries(pwcore_test_quaternion
+	pwcore)
+
+
+add_executable(pwcore_test_axisangle
+	pwcore_test_axisangle.cpp
+	)
+
+target_link_libraries(pwcore_test_axisangle
+	pwcore)

src/core/tests/pwcore_test_axisangle.cpp

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+#include <pw/core/axisangle.hpp>
+#include <pw/core/quaternion.hpp>
+#include <pw/core/serialize.hpp>
+
+#include <iostream>
+
+int main(int argc,char **argv) {
+
+    pw::axisangle<float> aa = pw::axisangle<float>();
+
+    pw::quaternionf qf = pw::quaternionf::from_axisangle(aa);
+
+    std::cout << "aa as quaternion as vector = " << pw::serialize::matrix(qf.as_vector()) << std::endl;
+
+//    std::cout << "aa.matrix() = " << pw::serialize::matrix(qf.to_matrix()) << std::endl;
+
+
+    return 0;
+}

src/core/tests/pwcore_test_matrix.cpp

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+
+#include <pw/core/matrix.hpp>
+#include <pw/core/serialize.hpp>
+
+#include <iostream>
+
+int main(int argc,char **argv) {
+
+    pw::matrix44d m;
+
+    m.set_identity();
+
+    std::cout << "m = " << pw::serialize::matrix(m) << std::endl;
+
+
+    std::cout << "row_stride() : " << m.row_stride() << std::endl;
+    std::cout << "col_stride() : " << m.col_stride() << std::endl;
+    std::cout << "rows()       : " << m.rows() << std::endl;
+    std::cout << "cols()       : " << m.cols() << std::endl;
+    std::cout << "data()       : " << m.data() << std::endl;
+    std::cout << "data()[0]    : " << m.data()[0] << std::endl;
+    std::cout << "at(0,0)      : " << m.at(0,0) << std::endl;
+    std::cout << "determinant(): " << m.determinant() << std::endl;
+
+
+    pw::matrix44d mi = m.get_inverse();
+
+    std::cout << "mi.at(0,0)   : " << mi.at(0,0) << std::endl;
+
+
+    pw::matrix44d mscale = m * 4.2;
+
+
+    std::cout << "mscale = " << pw::serialize::matrix(mscale) << std::endl;
+
+
+    return 0;
+}

src/core/tests/pwcore_test_quaternion.cpp

@@ -0,0 +1,15 @@
+#include <pw/core/quaternion.hpp>
+#include <pw/core/serialize.hpp>
+
+#include <iostream>
+
+int main(int argc,char **argv) {
+
+    pw::quaternion<float> qf = pw::quaternionf::rotate_180_degree_around_x();
+
+    std::cout << "qf = " << pw::serialize::matrix(qf.as_vector()) << std::endl;
+    std::cout << "qf.matrix() = " << pw::serialize::matrix(qf.to_matrix()) << std::endl;
+
+
+    return 0;
+}

src/core/tests/pwcore_test_vector.cpp

@@ -0,0 +1,29 @@
+
+#include <pw/core/vector.hpp>
+#include <pw/core/serialize.hpp>
+
+#include <iostream>
+
+int main(int argc,char **argv) {
+
+    pw::vector4<float> v4;
+
+    v4.fill(1.5);
+
+    std::cout << "v4 = " << pw::serialize::matrix(v4) << std::endl;
+
+    std::cout << "row_stride() : " << v4.row_stride() << std::endl;
+    std::cout << "col_stride() : " << v4.col_stride() << std::endl;
+    std::cout << "rows()       : " << v4.rows() << std::endl;
+    std::cout << "cols()       : " << v4.cols() << std::endl;
+    std::cout << "data()       : " << v4.data() << std::endl;
+    std::cout << "data()[0]    : " << v4.data()[0] << std::endl;
+    std::cout << "at(0,0)      : " << v4.at(0,0) << std::endl;
+
+    pw::vector3f v3 = v4.xyz();
+
+    std::cout << "v3 = " << pw::serialize::matrix(v3) << std::endl;
+
+
+    return 0;
+}