View Compilation Error

0_0_21749527_28379.cpp:69:17: error: macro "clr" requires 2 arguments, but only 1 given
         clr(mm.m);
                 ^
0_0_21749527_28379.cpp: In function 'int main()':
0_0_21749527_28379.cpp:69:9: error: 'clr' was not declared in this scope
         clr(mm.m);
         ^