kfr

commit 5c291923b9f3b9071e5980ca2493839f2cbaa606
parent 8934b088c603d3796b7e83ee73d265271671bb10
Author: [email protected] <[email protected]>
Date:   Fri, 23 Nov 2018 09:25:10 +0000

Fix real DFT memory error

Diffstat:
M
include/kfr/dft/dft-src.cpp
 | 
2
+-
M
include/kfr/dft/fft.hpp
 | 
4
++--

2 files changed, 3 insertions(+), 3 deletions(-)
diff --git a/include/kfr/dft/dft-src.cpp b/include/kfr/dft/dft-src.cpp
@@ -1044,7 +1044,7 @@ void dft_plan_real<T>::from_fmt(complex<T>* out, const complex<T>* in, dft_pack_
     constexpr size_t width = platform<T>::vector_width * 2;
     const size_t count     = csize / 2;
 
-    block_process(count, csizes_t<width, 1>(), [=](size_t i, auto w) {
+    block_process(count - 1, csizes_t<width, 1>(), [&](size_t i, auto w) {
         i++;
         constexpr size_t width    = val_of(decltype(w)());
         constexpr size_t widthm1  = width - 1;
diff --git a/include/kfr/dft/fft.hpp b/include/kfr/dft/fft.hpp
@@ -114,8 +114,8 @@ protected:
 
 enum class dft_pack_format
 {
-    Perm,
-    CCs
+    Perm, // {X[0].r, X[N].r}, ... {X[i].r, X[i].i}, ... {X[N-1].r, X[N-1].i}
+    CCs // {X[0].r, 0}, ... {X[i].r, X[i].i}, ... {X[N-1].r, X[N-1].i},  {X[N].r, 0}
 };
 
 template <typename T>