Helper

Definitions of helper functions.

Author

Venkata Mukund Kashyap Yedunuthala

Date

23 January 2024

Functions

void printinfo(unsigned int &numRows, unsigned int &numCols, unsigned short int &maxVal)

Prints out introductory info to terminal.

Parameters:

• numRows – Number of rows present in input image file.

• numCols – Number of columns present in input image file.

• maxVal – Maximum value as seen in input image file.

void set_kernels(int **&edgeDetection, int **&identity, int **&sharpen, double **&gaussBlur)

Initiates convolution kernels.

Parameters:

• edgeDetection – Edge detection kernel.

• identity – Identity kernel.

• sharpen – Sharpening kernel.

• gaussBlur – Gaussian blur kernel.

void set_input(int *&array, unsigned long int &N, std::stringstream &strStream)

Initiates a given array with values present in stringstream.

Parameters:

• array – Array to which values are written to.

• N – Size of the array.

• strStream – Input stringstream.

void set_array(int *&array, unsigned long int &size, int *&inputArr)

Initiates a given array with values present in another array.

Parameters:

• array – Array to which values are written to.

• size – Size of the array.

• inputArr – Input array.

void set_array(int *&array, unsigned long int &size, int &value)

Initiates a given array with a constant value.

Parameters:

• array – Array to which values are written to.

• size – Size of the array.

• value – Constant value.

void print_time_info(double &time)

Prints total time taken to terminal.

Parameters:

time – Calculated wall time taken.

void print_max_value(const int *const &buffer, int bufferSize)

Prints maximum value present in a 1-d array as used in this project.

Parameters:

• buffer – The array

• bufferSize – The size of the array