// Create and print a matrix in GF(2^w)
func CreateAndPrint(r, c, w int) {
matrix := make([]int, r*c)
n := 1
for i := 0; i < r*c; i++ {
matrix[i] = n
n = int(C.galois_single_multiply(C.int(n), 2, C.int(w)))
}
C.jerasure_print_matrix((*C.int)(unsafe.Pointer(&matrix[0])), C.int(r), C.int(c), C.int(w))
}
//PrintMatrix prints the contents of a coding matrix.
func PrintMatrix(matrix []int, r, c, w int) {
C.jerasure_print_matrix(intSliceToC(matrix), C.int(r), C.int(c), C.int(w))
}