From 6bf2363c1aba57f13cd8e0591d33658637d5c330 Mon Sep 17 00:00:00 2001
From: Matiq <kokagishi@proton.me>
Date: Sun, 30 Aug 2026 16:05:32 +0300
Subject: [PATCH] DIVIDE poly: fix truncated poly_0 0.207*8 -> 9 coeff
 0.207/-0.241/0.288/-0.36/0.48/0.24/0.055, Q 0.80022

---
 dsp/rt_div_tables.hpp  | 4 ++--
 scripts/cascade_sim.py | 2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/dsp/rt_div_tables.hpp b/dsp/rt_div_tables.hpp
index c01cd43..83c5830 100644
--- a/dsp/rt_div_tables.hpp
+++ b/dsp/rt_div_tables.hpp
@@ -9,6 +9,6 @@ constexpr std::array<float,32> tbl_1269c0 = {
 127.0f,126.830078f,126.67807f,126.540558f,126.415039f,126.299561f,126.192642f,126.093109f,127.0f,126.830078f,126.67807f,126.540558f,126.415039f,126.299561f,126.192642f,126.093109f,0.0f,-3.12644238e-06f,1.8367532e-06f,1.05200343e-05f,-1.56322119e-06f,-2.65016098e-07f,2.86602835e-06f,2.73532123e-07f,0.0f,-3.12644238e-06f,1.8367532e-06f,1.05200343e-05f,-1.56322119e-06f,-2.65016098e-07f,2.86602835e-06f,2.73532123e-07f};
 constexpr std::array<float,32> tbl_126a00 = {
 0.0f,-3.12644238e-06f,1.8367532e-06f,1.05200343e-05f,-1.56322119e-06f,-2.65016098e-07f,2.86602835e-06f,2.73532123e-07f,0.0f,-3.12644238e-06f,1.8367532e-06f,1.05200343e-05f,-1.56322119e-06f,-2.65016098e-07f,2.86602835e-06f,2.73532123e-07f,0.20751521f,0.20751521f,0.20751521f,0.20751521f,0.20751521f,0.20751521f,0.20751521f,0.20751521f,0.0f,0.0f,0.0f,0.0f,0.0f,0.0f,0.0f,0.0f};
-constexpr std::array<float,8> poly_0 = {
-0.20751521f,0.20751521f,0.20751521f,0.20751521f,0.20751521f,0.20751521f,0.20751521f,0.20751521f};
+constexpr std::array<float,9> poly_0 = {
+0.20751521f,-0.24168693f,0.28853500f,-0.36067134f,0.48089835f,0.24026407f,0.05551192f,0.69314718f,1.92590424e-08f};
 }
\ No newline at end of file
diff --git a/scripts/cascade_sim.py b/scripts/cascade_sim.py
index a36e9d1..047c873 100644
--- a/scripts/cascade_sim.py
+++ b/scripts/cascade_sim.py
@@ -130,7 +130,7 @@ def win_periodic_hann(N):
 # ------------------------------------------------ FIR-цепь (24mm9) --------
 NFRAME = 4096          # n=[ctx+0x540534]
 NBINS_FIR = NFRAME // 2 + 1
-Q_EXP = 0.80           # скаляр аргумента EXP; источник в 1803831c0 (ОТКРЫТО)
+Q_EXP = 0.8002203702926636  # .rdata 1820013f0, refines 0.80 (BLOCKMAP 52b716)
 
 
 def winfreq_fall():