View Compilation Error

0_0_14202428_10286.cpp: In function 'double calc(double, double, double)':
0_0_14202428_10286.cpp:70:32: error: invalid operands of types 'double' and 'int' to binary 'operator%'
     double d = (sqr(a) + sqr(b%2
                                ^
0_0_14202428_10286.cpp:70:32: error: expected ')' at end of input
0_0_14202428_10286.cpp:70:32: error: expected ',' or ';' at end of input
0_0_14202428_10286.cpp:70:32: error: expected '}' at end of input