1uniform half4 colorGreen, colorRed; 2 3half4 main(float2 coords) { 4 bool ok = true; 5 ok = ok && (half4(int4(0, 0, 1, 2)) == half4(int4(half4(0.01, 0.99, 1.49, 2.75)))); 6 ok = ok && (half4(int4(0, 0, -1, -2)) == half4(int4(half4(-0.01, -0.99, -1.49, -2.75)))); 7 8 return ok ? colorGreen : colorRed; 9} 10