Update tests for MAD scale

Author: kornelski

dssim-core/src/dssim.rs

@@ -412,7 +412,7 @@ fn png_compare() {
     let img2 = d.create_image(&Img::new(buf2, file2.width, file2.height)).unwrap();
 
     let (res, _) = d.compare(&img1, img2);
-    assert!((0.002214 - res).abs() < 0.001, "res is {}", res);
+    assert!((0.001 - res).abs() < 0.0005, "res is {}", res);
 
     let img1b = d.create_image(&Img::new(buf1, file1.width, file1.height)).unwrap();
     let (res, _) = d.compare(&img1, img1b);

src/main.rs

@@ -170,11 +170,11 @@ fn image_load1() {
 
     let strip_jpg = dssim::load_image(&attr, "tests/profile-stripped.jpg").unwrap();
     let (diff, _) = attr.compare(&strip_jpg, prof_jpg);
-    assert!(diff > 0.011, "{}", diff);
+    assert!(diff > 0.008, "{}", diff);
 
     let strip_png = dssim::load_image(&attr, "tests/profile-stripped.png").unwrap();
     let (diff, _) = attr.compare(&strip_jpg, strip_png);
-    assert!(diff > 0.012, "{}", diff)
+    assert!(diff > 0.009, "{}", diff)
 }
 
 #[test]