#ifndef osml_matrix_h
#define osml_matrix_h

#include <osml_vector.h>

OSML_INLINE matrix_t matrix_identity(void)
{
    matrix_t identity;
    identity.rows[0] = vector3(1.0f, 0.0f, 0.0f);
    identity.rows[1] = vector3(0.0f, 1.0f, 0.0f);
    identity.rows[2] = vector3(0.0f, 0.0f, 1.0f);
    return identity;
}

OSML_INLINE matrix_t matrix_scale(float x_scale, float y_scale, float z_scale)
{
    matrix_t scale;
    scale.rows[0] = vector3(x_scale, 0.0f, 0.0f);
    scale.rows[1] = vector3(0.0f, y_scale, 0.0f);
    scale.rows[2] = vector3(0.0f, 0.0f, z_scale);
    return scale;
}

OSML_INLINE vector_t matrix_vector_product(matrix_t matrix, vector_t vector)
{
    return vector3(vector_dot_product(matrix.rows[0], vector),
                   vector_dot_product(matrix.rows[1], vector),
                   vector_dot_product(matrix.rows[2], vector));
}

#endif