Function div_image

encoder/basisu_ssim.cpp:275–301

	}

	void div_image(const imagef &src1, const imagef &src2, imagef &dst, const vec4F &scale)
	{
		dst.resize(src1);

//#pragma omp parallel for
		for (int y = 0; y < (int)dst.get_height(); y++)
		{
			for (uint32_t x = 0; x < dst.get_width(); x++)
			{
				const vec4F &s1 = src1(x, y);
				const vec4F &s2 = src2(x, y);

				vec4F d;

				for (uint32_t c = 0; c < 4; c++)
				{
					float v = s2[c];
					if (v == 0.0f)
						d[c] = 0.0f;
					else
						d[c] = (s1[c] * scale[c]) / v;
				}

				dst(x, y) = d;
			}
		}
	}

	vec4F avg_image(const imagef &src)
	{