comparison data/fft/FFTCacheWriter.h @ 540:a38f0db6b41d

* take a bit more care about peaks cache sizing

 #include <stddef.h>
 
 class FFTCacheWriter
 {
 public:
+    virtual ~FFTCacheWriter() { }
+
     virtual size_t getWidth() const = 0;
     virtual size_t getHeight() const = 0;
 
     virtual void setColumnAt(size_t x, float *mags, float *phases, float factor) = 0;
     virtual void setColumnAt(size_t x, float *reals, float *imags) = 0;