void expect_equal(const float *ref, const float *result, unsigned width, unsigned height, float largest_difference_limit = 1.5 / 255.0, float rms_limit = 0.2 / 255.0);
void expect_equal(const unsigned char *ref, const unsigned char *result, unsigned width, unsigned height, unsigned largest_difference_limit = 1, float rms_limit = 0.2);
void expect_equal(const float *ref, const float *result, unsigned width, unsigned height, float largest_difference_limit = 1.5 / 255.0, float rms_limit = 0.2 / 255.0);
void expect_equal(const unsigned char *ref, const unsigned char *result, unsigned width, unsigned height, unsigned largest_difference_limit = 1, float rms_limit = 0.2);