18     static SkMatrix gMatrices[5];  in test_matrix()  local
23         gMatrices[0].reset();  in test_matrix()
24         gMatrices[1].setTranslate(SkIntToScalar(-100), SkIntToScalar(100));  in test_matrix()
25         gMatrices[2].setRotate(SkIntToScalar(17));  in test_matrix()
26         gMatrices[3].setRotate(SkIntToScalar(185));  in test_matrix()
27         gMatrices[3].postTranslate(SkIntToScalar(66), SkIntToScalar(-33));  in test_matrix()
28         gMatrices[3].postScale(SkIntToScalar(2), SK_ScalarHalf);  in test_matrix()
31         gMatrices[4].setRotate(SkIntToScalar(215));  in test_matrix()
32         gMatrices[4].set(SkMatrix::kMPersp0, 0.00013f);  in test_matrix()
33         gMatrices[4].set(SkMatrix::kMPersp1, -0.000039f);  in test_matrix()
36     uint32_t count = static_cast<uint32_t>(SK_ARRAY_COUNT(gMatrices));  in test_matrix()
38         return gMatrices[random->nextULessThan(count)];  in test_matrix()
40         return gMatrices[random->nextULessThan(count - kPerspectiveCount)];  in test_matrix()
48     static SkMatrix gMatrices[5];  in TestMatrixPreservesRightAngles()  local
53         gMatrices[0].reset();  in TestMatrixPreservesRightAngles()
55         gMatrices[1].setTranslate(SkIntToScalar(-100), SkIntToScalar(100));  in TestMatrixPreservesRightAngles()
57         gMatrices[2].setScale(SkIntToScalar(17), SkIntToScalar(17));  in TestMatrixPreservesRightAngles()
59         gMatrices[3].setScale(SkIntToScalar(-17), SkIntToScalar(-17));  in TestMatrixPreservesRightAngles()
60         gMatrices[3].postTranslate(SkIntToScalar(66), SkIntToScalar(-33));  in TestMatrixPreservesRightAngles()
62         gMatrices[4].reset();  in TestMatrixPreservesRightAngles()
63         gMatrices[4].setScale(SkIntToScalar(-1), SkIntToScalar(-1));  in TestMatrixPreservesRightAngles()
64         gMatrices[4].setRotate(47);  in TestMatrixPreservesRightAngles()
66         for (size_t i = 0; i < SK_ARRAY_COUNT(gMatrices); i++) {  in TestMatrixPreservesRightAngles()
67             SkASSERT(gMatrices[i].preservesRightAngles());  in TestMatrixPreservesRightAngles()
70     return gMatrices[random->nextULessThan(static_cast<uint32_t>(SK_ARRAY_COUNT(gMatrices)))];  in TestMatrixPreservesRightAngles()
74     static SkMatrix gMatrices[6];  in TestMatrixRectStaysRect()  local
79         gMatrices[0].reset();  in TestMatrixRectStaysRect()
81         gMatrices[1].setTranslate(SkIntToScalar(-100), SkIntToScalar(100));  in TestMatrixRectStaysRect()
83         gMatrices[2].setScale(SkIntToScalar(17), SkIntToScalar(17));  in TestMatrixRectStaysRect()
85         gMatrices[3].setScale(SkIntToScalar(-17), SkIntToScalar(-17));  in TestMatrixRectStaysRect()
86         gMatrices[3].postTranslate(SkIntToScalar(66), SkIntToScalar(-33));  in TestMatrixRectStaysRect()
88         gMatrices[4].setScale(SkIntToScalar(-1), SkIntToScalar(-1));  in TestMatrixRectStaysRect()
90         gMatrices[5].setRotate(90);  in TestMatrixRectStaysRect()
92         for (size_t i = 0; i < SK_ARRAY_COUNT(gMatrices); i++) {  in TestMatrixRectStaysRect()
93             SkASSERT(gMatrices[i].rectStaysRect());  in TestMatrixRectStaysRect()
96     return gMatrices[random->nextULessThan(static_cast<uint32_t>(SK_ARRAY_COUNT(gMatrices)))];  in TestMatrixRectStaysRect()