scf_celebic/ex3/seq/skalar_stl/mylib.h
dino.celebic 3882aee07a task8
2025-11-11 15:50:51 +01:00

30 lines
699 B
C++

#ifndef FILE_MYLIB
#define FILE_MYLIB
#include <vector>
/** Inner product
@param[in] x vector
@param[in] y vector
@return resulting Euclidian inner product <x,y>
*/
double scalar(std::vector<double> const &x, std::vector<double> const &y);
/** Inner product using BLAS routines
@param[in] x vector
@param[in] y vector
@return resulting Euclidian inner product <x,y>
*/
double scalar_cblas(std::vector<double> const &x, std::vector<double> const &y);
float scalar_cblas(std::vector<float> const &x, std::vector<float> const &y);
/** L_2 Norm of a vector
@param[in] x vector
@return resulting Euclidian norm <x,y>
*/
double norm(std::vector<double> const &x);
#endif