Marked input matrices for maxChar(), minChar() and meanChar() as const matrices (read only)
Marked input matrices for maxChar(), minChar() and meanChar() as const matrices (read only)


Former-commit-id: 7e02e19a844fbbf1ca77eb6194f6c5e1cda3fa87
rbaghdadi/pencil-benchmark,pencil-language/pencil-benchmark,dividiti/pencil-benchmark,pencil-language/pencil-benchmark,rbaghdadi/pencil-benchmark,dividiti/pencil-benchmark,pencil-language/pencil-benchmark,dividiti/pencil-benchmark,rbaghdadi/pencil-benchmark