full double precision lanczossharp blur value (computed with axiom)
diff --git a/magick/resize.c b/magick/resize.c
index f533ede..947d6c4 100644
--- a/magick/resize.c
+++ b/magick/resize.c
@@ -536,12 +536,13 @@
% (or cylindrical promoted Jinc-Jinc filter). This filter is
% probably the most popular windowed filter.
%
-% LanczosSharp is a slightly sharpened (blur=0.9830391168464) form of
-% the Lanczos filter. It was designed specifically for cylindrical
-% EWA (Elliptical Weighted Average) distortion (as a Jinc-Jinc
-% filter), but can used as a slightly sharper orthogonal Lanczos
-% (Sinc-Sinc) filter. The blur value, the corresponding EWA filter
-% comes as close as possible to satisfying the following condition:
+% LanczosSharp is a slightly sharpened (blur=0.98303932214489908)
+% form of the Lanczos filter. It was designed specifically for
+% cylindrical EWA (Elliptical Weighted Average) distortion (as a
+% Jinc-Jinc filter), but can used as a slightly sharper orthogonal
+% Lanczos (Sinc-Sinc) filter. The blur value, the corresponding EWA
+% filter comes as close as possible to satisfying the following
+% condition:
%
% 'No-Op' Vertical and Horizontal Line Preservation Condition:
% Images with only vertical or horizontal features are preserved
@@ -918,7 +919,7 @@
switch (filter_type)
{
case LanczosSharpFilter:
- resize_filter->blur *= 0.9830391168464;
+ resize_filter->blur *= 0.98303932214489908;
break;
case Lanczos2SharpFilter:
resize_filter->blur *= 0.958027803631219;