View Compilation Error

0_0_20170115_18464.cpp: In function 'indices_and_value findMaxCrossingSubarray(int*, int, int, int)':
0_0_20170115_18464.cpp:11:23: error: 'OxFFFFFFFF' was not declared in this scope
 #define neg_infinity -OxFFFFFFFF
                       ^
0_0_20170115_18464.cpp:32:20: note: in expansion of macro 'neg_infinity'
     int left_sum = neg_infinity;//最大子数组在中点左边的值的和
                    ^