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The curvature matrix, which is equal to one-half time the Hessian matrix, is evaluated and not the covariance matrix. To make this clean, all covar terms have been renamed to curvature.
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The likelihood computation has been removed from GObservations::likelihood and has been put in the virtual GObservation::likelihood method. This method implements standard likelihood computations for binned and unbinned analysis. It may be overloaded to implement observation specific likelihood computations.
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The abstract pointing class has been removed as so far no abstract pointing interface is needed.
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The events() set method now takes a const reference instead of a const pointer as argument. Some methods have now been defined inline.
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The GFunction::eval interface has been revised and all affected GammaLib classes have been adapted.
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Add GChatter argument to print() method. The print() method now takes an argument of type GChatter to control the chattiness of the output in a homogenous manner. Pass NORMAL chatter level in __str__ method. Add chatter argument to print() methods. Use GLog::chatter() method to control the chattiness of the log stream operator. Add chatter() methods and provide member access through const references. Add chatter() methods, provide member access through const references, and declare one liners as inline methods. The chatter() methods control the new m_chatter attribute that is used to control the chattiness of the object's print() methods. name() and version() methods return const references. logFileOpen() method now sets the chattiness from the applications's chatter parameter, and name() and version() methods now return a const reference.
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The ostream and GLog functions are not defined at the GBase level.
