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00006 #ifndef UTILITIES_H_
00007 #define UTILITIES_H_
00008
00009 #include <cassert>
00010 #include <cmath>
00011 #include <vector>
00012 #include "linalg.h"
00013 #include <vnl/vnl_matrix.h>
00014
00016 double l2fa(double l1, double l2, double l3) ;
00017
00019 double s2ga(const vnl_matrix<double>& signal) ;
00020
00022 double curve_radius(const std::vector<vec_t>& fiber) ;
00023
00024 #endif // UTILITIES_H_