From e1d62e2e77186e5603b4d58d7fa6354cd493a64b Mon Sep 17 00:00:00 2001
From: Chris Robinson <chris.kcat@gmail.com>
Date: Tue, 23 Feb 2021 21:07:34 -0800
Subject: Avoid an unnecessary loop iteration

---
 core/bsinc_tables.cpp | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

(limited to 'core/bsinc_tables.cpp')

diff --git a/core/bsinc_tables.cpp b/core/bsinc_tables.cpp
index 334822f5..919bc60b 100644
--- a/core/bsinc_tables.cpp
+++ b/core/bsinc_tables.cpp
@@ -161,9 +161,10 @@ struct BSincFilterArray {
         auto filter = std::make_unique<filter_type>(BSincScaleCount);
 
         /* Calculate the Kaiser-windowed Sinc filter coefficients for each
-         * scale and phase index.
+         * scale and phase index. The output of scale index 0 is all 0s, so
+         * start at 1.
          */
-        for(uint si{0};si < BSincScaleCount;++si)
+        for(uint si{1};si < BSincScaleCount;++si)
         {
             const uint m{hdr.a[si] * 2};
             const size_t o{(BSincPointsMax-m) / 2};
-- 
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