Cody

Problem 42641. MATLAB Basic: rounding

Solution 2804881

Submitted on 7 Aug 2020
This solution is locked. To view this solution, you need to provide a solution of the same size or smaller.

Test Suite

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

Error using str2num (line 35) Input must be a character vector or string scalar. Error in round_zero (line 4) y = str2num(strr(1)); 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))

Error using str2num (line 35) Input must be a character vector or string scalar. Error in round_zero (line 4) y = str2num(strr(1)); 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))

Error using str2num (line 35) Input must be a character vector or string scalar. Error in round_zero (line 4) y = str2num(strr(1)); 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))

Error using str2num (line 35) Input must be a character vector or string scalar. Error in round_zero (line 4) y = str2num(strr(1)); 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))

Error using str2num (line 35) Input must be a character vector or string scalar. Error in round_zero (line 4) y = str2num(strr(1)); 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))

Error using str2num (line 35) Input must be a character vector or string scalar. Error in round_zero (line 4) y = str2num(strr(1)); 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))

Error using str2num (line 35) Input must be a character vector or string scalar. Error in round_zero (line 4) y = str2num(strr(1)); Error in Test7 (line 3) assert(isequal(round_zero(x),y_correct))