0_0_27802975_31957.cpp: In function 'void Gauss(int)':
0_0_27802975_31957.cpp:31:21: error: 'fabs' was not declared in this scope
if(fabs(A[k][col]) > fabs(A[row][col]))
^
0_0_27802975_31957.cpp:34:20: error: 'fabs' was not declared in this scope
if(fabs(A[r][col]) > eps)
^
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