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# Problem 42641. MATLAB Basic: rounding

Solution 1943582

Submitted on 20 Sep 2019
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### Test Suite

Test Status Code Input and Output
1   Fail
x = -8.8; y_correct = -8; assert(isequal(round_zero(x),y_correct))

Undefined function 'arctangent' for input arguments of type 'double'. Error in round_zero (line 2) y = arctangent(x); Error in Test1 (line 3) assert(isequal(round_zero(x),y_correct))

2   Fail
x = 8.8; y_correct = 8; assert(isequal(round_zero(x),y_correct))

Undefined function 'arctangent' for input arguments of type 'double'. Error in round_zero (line 2) y = arctangent(x); Error in Test2 (line 3) assert(isequal(round_zero(x),y_correct))

3   Fail
x = 0.8; y_correct = 0; assert(isequal(round_zero(x),y_correct))

Undefined function 'arctangent' for input arguments of type 'double'. Error in round_zero (line 2) y = arctangent(x); Error in Test3 (line 3) assert(isequal(round_zero(x),y_correct))

4   Fail
x = 0.4; y_correct = 0; assert(isequal(round_zero(x),y_correct))

Undefined function 'arctangent' for input arguments of type 'double'. Error in round_zero (line 2) y = arctangent(x); Error in Test4 (line 3) assert(isequal(round_zero(x),y_correct))

5   Fail
x = 0; y_correct = 0; assert(isequal(round_zero(x),y_correct))

Undefined function 'arctangent' for input arguments of type 'double'. Error in round_zero (line 2) y = arctangent(x); Error in Test5 (line 3) assert(isequal(round_zero(x),y_correct))

6   Fail
x = eps; y_correct = 0; assert(isequal(round_zero(x),y_correct))

Undefined function 'arctangent' for input arguments of type 'double'. Error in round_zero (line 2) y = arctangent(x); Error in Test6 (line 3) assert(isequal(round_zero(x),y_correct))

7   Fail
x = pi; y_correct = 3; assert(isequal(round_zero(x),y_correct))

Undefined function 'arctangent' for input arguments of type 'double'. Error in round_zero (line 2) y = arctangent(x); Error in Test7 (line 3) assert(isequal(round_zero(x),y_correct))