core.cpp

#define H 3
float sum_arr(float* A)
{
	//interfaces
	#pragma HLS INTERFACE m_axi depth=9 port=A offset=slave
	#pragma HLS INTERFACE s_axilite port=return

	int i,j;
	static float Ain[H*H];
  
	//copying values from memory
	for(i=0; i<H; i++)
	{
		#pragma HLS pipeline
		for(j=0; j<H; j++)
		{
			#pragma HLS unroll
			Ain[i+(H*j)]=*(A+H*i+j);
		}
	}
  
	float sum=0;
	
	//computing sum
	for(i=0; i<H; i++)
	{
		for(j=0; j<H; j++)
		{
			#pragma HLS pipeline
			sum = sum+ Ain[i+(H*j)];
		}
	}
return sum;
}