Hi, Rooters: I have one problem about Root: for each event, I want to generate two particles and I have written the class Particle (this class works very well), for the event loop, the code is as followed: for (Int_t i = 0; i < 2; i ++){ Particle MCpart[i] = new Particle(emcid[i], emcpx[i], emcpy[i], emcpz[i],emcE[i]); } cout << "MCpart[0] -> pt() = " << MCpart[0] -> pt() << endl; cout << "MCpart[1] -> pt() = " << MCpart[1] -> pt() << endl; // pt() is a member function of Particle Then I run it, and got the following error message: Error: Non-static-const variable in array dimention FILE:electron.C LINE:80 (cint allows this only in interactive command and special form macro which is special extension. It is not allowed in source code. Please ignore subsequent errors.) It seems that this is a syntax problem, but I do not know how to solve it, any idea about it? ROOT Version: 2.23/11 CINT/ROOT C/C++ Interpreter version: 5.14.25 Jim
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