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repo: rxvt-unicode-sixel
action: commit
revision:
path_from:
revision_from: 71c4be5665abfa9e52ccec9369dcca057602a7b4:
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commit 71c4be5665abfa9e52ccec9369dcca057602a7b4
Author: Emanuele Giaquinta <emanuele.giaquinta@gmail.com>
Date:   Fri Apr 12 07:54:15 2013 +0000

    Simplify and correct lerp expression.

diff --git a/src/screen.C b/src/screen.C

--- a/src/screen.C
+++ b/src/screen.C
@@ -1899,7 +1899,8 @@ rxvt_term::scr_touch (bool refresh) NOTHROW
 void
 rxvt_term::scr_move_to (int y, int len) NOTHROW
 {
-  scr_changeview ((top_row - nrow) * (len - y) / len + (nrow - 1));
+  // lerp (y, 0, len, top_row, nrow - 1)
+  scr_changeview (top_row + (nrow - 1 - top_row) * y / len);
 }

 /* ------------------------------------------------------------------------- */

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