Increase tolerance for linear_to_srgb_fast_arb.

libjxl · Jan 1, 2025 · 7603191 · 7603191
1 parent e235367
commit 7603191
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/jxl/src/color/tf.rs b/jxl/src/color/tf.rs
@@ -12,7 +12,7 @@ const SRGB_POWTABLE_LOWER: [u8; 16] = [
 ];
 
 /// Converts the linear samples with the sRGB transfer curve.
-// Fast linear to sRGB conversion, ported from libjxl. Max error ~1.2e-4
+// Fast linear to sRGB conversion, ported from libjxl. Max error ~1.7e-4
 pub fn linear_to_srgb_fast(samples: &mut [f32]) {
     for s in samples {
         let v = s.to_bits() & 0x7fff_ffff;
@@ -146,7 +146,7 @@ mod test {
 
             linear_to_srgb(&mut samples);
             linear_to_srgb_fast(&mut fast);
-            assert_all_almost_eq!(&samples, &fast, 1.2e-4);
+            assert_all_almost_eq!(&samples, &fast, 1.7e-4);
             Ok(())
         });
     }