From 3570ca268f415d9c2cf2714d97955571ae346d82 Mon Sep 17 00:00:00 2001
From: rs1729 <rs1729@users.noreply.github.com>
Date: Thu, 28 Feb 2019 10:11:55 +0100
Subject: [PATCH] dft_detect: floating-point precision ...

---
 scan/dft_detect.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/scan/dft_detect.c b/scan/dft_detect.c
index d61579c..7d421bd 100644
--- a/scan/dft_detect.c
+++ b/scan/dft_detect.c
@@ -547,8 +547,8 @@ static int init_buffers() {
     M -= 1;
     N_DFT <<= 1;
 #endif
-    LOG2N = log(N_DFT)/log(2);
-    //while ((1 << LOG2N) < N_DFT) LOGN++;
+    LOG2N = log(N_DFT)/log(2)+0.1; // 32bit cpu ... intermediate floating-point precision
+    //while ((1 << LOG2N) < N_DFT) LOG2N++;  // better N_DFT = (1 << LOG2N) ...
 
     K = M-NN - delay; // N+K < M