Hi Joe, the //[fftwPlanSize] basically tells rootcint how to generate a streamer for your class. The generated code will stream fftwPlanSize floats assuming a float array of size fftwPlanSize at the address fftwPlan. So you have to keep fftwPlanSize in sync with the size of the array, e.g. like this: ... fftwPlanSize = 10; fftwPlan = new float[fftwPlanSize]; ... cheers, Kurt P.S.: We can hear you, no need to shout. > Now to my main question, I saw that you have to add > something like this below, but what if i dont KNOW the > size yet ??Can I just specify some MAX size and root > will take care if the array is later smaller ?? > > class MGraph { > .... > int fftwPlanSize; > float *fftwPlan; //[fftwPlanSize] pointer to an > array of suze > fftwPlanSize > .... > }; -- Kurt Rinnert, University of Karlsruhe (TH) - Faculty for Physics
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