From cf99bb0a5e4ff796dbede334e66cad4a0682baf4 Mon Sep 17 00:00:00 2001
From: David Fioramonti <dafioram@gmail.com>
Date: Sat, 25 Aug 2018 04:16:13 -0700
Subject: [PATCH] COMMON: Update RDFT and DCT cos/sin table constructor usage

When the constructor for the cos/sin table was changed from
number of bits to number of points all usages thoughout the
code should of been changed, but this was missed in RDFT and DCT.

Fixes Trac#10683.
---
 common/dct.cpp  | 2 +-
 common/rdft.cpp | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/common/dct.cpp b/common/dct.cpp
index 9d551b95bac..374eee03fcb 100644
--- a/common/dct.cpp
+++ b/common/dct.cpp
@@ -30,7 +30,7 @@
 
 namespace Common {
 
-DCT::DCT(int bits, TransformType trans) : _bits(bits), _cos(_bits + 2), _trans(trans), _rdft(nullptr) {
+DCT::DCT(int bits, TransformType trans) : _bits(bits), _cos(1 << (_bits + 2) ), _trans(trans), _rdft(nullptr) {
 	int n = 1 << _bits;
 
 	_tCos = _cos.getTable();
diff --git a/common/rdft.cpp b/common/rdft.cpp
index b6af6cb4cde..f09f983731f 100644
--- a/common/rdft.cpp
+++ b/common/rdft.cpp
@@ -28,7 +28,7 @@
 
 namespace Common {
 
-RDFT::RDFT(int bits, TransformType trans) : _bits(bits), _sin(bits), _cos(bits), _fft(nullptr) {
+RDFT::RDFT(int bits, TransformType trans) : _bits(bits), _sin(1 << bits), _cos(1 << bits), _fft(nullptr) {
 	assert((_bits >= 4) && (_bits <= 16));
 
 	_inverse        = trans == IDFT_C2R || trans == DFT_C2R;