add FFTS to cmake and fix some codingstyle issues

1 files changed, 14 insertions, 16 deletions

diff --git a/sdrbase/dsp/fftsengine.cpp b/sdrbase/dsp/fftsengine.cpp
index e719065..5c1b2df 100644
--- a/sdrbase/dsp/fftsengine.cpp
+++ b/sdrbase/dsp/fftsengine.cpp
@@ -2,45 +2,43 @@
 #include "dsp/fftsengine.h"
 
 FFTSEngine::FFTSEngine() :
-    m_currentplan(ffts_init_1d(1024, 1))
+	m_currentplan(ffts_init_1d(1024, -1))
 {
-    allocate(4096);
+	allocate(8192);
 }
 
 FFTSEngine::~FFTSEngine()
 {
-    ffts_free(m_currentplan);
-    free(imem);
-    free(omem);
+	ffts_free(m_currentplan);
+	free(m_imem);
+	free(m_omem);
 }
 
 void FFTSEngine::allocate(int n)
 {
-    imem = malloc(n*4*2+15);
-    iptr = (void*)(((unsigned long)imem+15) & (unsigned long)(~ 0x0F));
-    omem = malloc(n*4*2+15);
-    optr = (void*)(((unsigned long)omem+15) & (unsigned long)(~ 0x0F));
+	m_imem = malloc(n * sizeof(Real) * 2 + 15);
+	m_iptr = (void*)(((unsigned long)m_imem + 15) & (unsigned long)(~0x0f));
+	m_omem = malloc(n * sizeof(Real) * 2 + 15);
+	m_optr = (void*)(((unsigned long)m_omem + 15) & (unsigned long)(~0x0f));
 }
 
 void FFTSEngine::configure(int n, bool inverse)
 {
-    ffts_free(m_currentplan);
-    m_currentplan = ffts_init_1d(n, 1);
+	ffts_free(m_currentplan);
+	m_currentplan = ffts_init_1d(n, inverse ? 1 : -1);
 }
 
 void FFTSEngine::transform()
 {
-    ffts_execute(m_currentplan, iptr, optr);
+	ffts_execute(m_currentplan, m_iptr, m_optr);
 }
 
-
 Complex* FFTSEngine::in()
 {
-    return reinterpret_cast<Complex*>(iptr);
+	return reinterpret_cast<Complex*>(m_iptr);
 }
 
 Complex* FFTSEngine::out()
 {
-    return reinterpret_cast<Complex*>(optr);
+	return reinterpret_cast<Complex*>(m_optr);
 }
-