A = size 3 by 3 Matrix of double:
[ 1 3 5 ]
[ 4 6 8 ]
[ 9 7 2 ]

B = size 3 by 3 Matrix of double:
[ 0.1 3.4 6.7 ]
[ 1.2 4.5 7.8 ]
[ 2.3 5.6 8.9 ]

C = size 3 by 3 Matrix of double:
[ 0 0 0 ]
[ 0 0 0 ]
[ 0 0 0 ]

C = gemm(A,B) = size 3 by 3 Matrix of double:
[ 15.2 44.9 74.6 ]
[ 26 85.4 144.8 ]
[ 13.9 73.3 132.7 ]

C_values[0] = 15.2
C_values[1] = 26
C_values[2] = 13.9
C_values[3] = 44.9
C_values[4] = 85.4
C_values[5] = 73.3
C_values[6] = 74.6
C_values[7] = 144.8
C_values[8] = 132.7

