diff_sq_acc.cpp

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Copyright (c) 2016, Xilinx, Inc.
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EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.// Copyright (c) 2016 Xilinx, Inc.
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#include "../src/diff_sq_acc.h"

void diff_sq_acc(din_t a[N], din_t b[N], dout_t *dout)
{
        int i;
        int acc= 0;
        int a_reg, b_reg, sub, sub2;

        for(i=0; i<N; i++)
        {
                #pragma HLS PIPELINE II=1

                a_reg  = a[i];
                b_reg  = b[i];
                sub = a_reg - b_reg;
                sub2 = sub*sub;
                acc += sub2;
        }

        *dout = acc;
}