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sheet3

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Markus Schmidt 2025-11-12 00:14:28 +01:00
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#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