kfr

commit 663e313f7a3526e8972eb178b5c062cf4cef18a0
parent 397e03bce02d04516e49d4618cf4d49528237a9b
Author: d.levin256@gmail.com <d.levin256@gmail.com>
Date:   Tue,  6 Jun 2017 21:44:31 +0300

irealdft: fix incorrect size detection in wrapper

Diffstat:
M
include/kfr/dft/cache.hpp
 | 
2
+-

1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/include/kfr/dft/cache.hpp b/include/kfr/dft/cache.hpp
@@ -156,7 +156,7 @@ univector<complex<T>> realdft(const univector<T, Tag>& input)
 template <typename T, size_t Tag>
 univector<T> irealdft(const univector<complex<T>, Tag>& input)
 {
-    dft_plan_real_ptr<T> dft = dft_cache::instance().getreal(ctype_t<T>(), input.size());
+    dft_plan_real_ptr<T> dft = dft_cache::instance().getreal(ctype_t<T>(), (input.size() - 1) * 2);
     univector<T> output((input.size() - 1) * 2);
     univector<u8> temp(dft->temp_size);
     dft->execute(output, input, temp);