www.gusucode.com > matlab 案例源码 matlab代码程序 > matlab/rightTriTest.m
% test triangles tri = [7 9]; triIso = [4 4]; tri306090 = [2 2*sqrt(3)]; triSkewed = [1 1500]; % preconditions angles = rightTri(tri); assert(angles(3) == 90,'Fundamental problem: rightTri not producing right triangle') %% Test 1: sum of angles angles = rightTri(tri); assert(sum(angles) == 180) angles = rightTri(triIso); assert(sum(angles) == 180) angles = rightTri(tri306090); assert(sum(angles) == 180) angles = rightTri(triSkewed); assert(sum(angles) == 180) %% Test 2: isosceles triangles angles = rightTri(triIso); assert(angles(1) == 45) assert(angles(1) == angles(2)) %% Test 3: 30-60-90 triangle angles = rightTri(tri306090); assert(angles(1) == 30) assert(angles(2) == 60) assert(angles(3) == 90) %% Test 4: Small angle approximation angles = rightTri(triSkewed); smallAngle = (pi/180)*angles(1); % radians approx = sin(smallAngle); assert(approx == smallAngle, 'Problem with small angle approximation')