Exercises_MarkusSchmidt/sheet3/345/mylib.h
Markus Schmidt 2195a9db0a sheet3
2025-11-12 00:14:28 +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