| <script src="../../resources/js-test.js"></script> |
| <body> |
| <script> |
| description("DOMMatrix.invers() should not return NaN for small but normal values."); |
| |
| const matrix = new DOMMatrix([9.780006597705043e-07, 3.532646825298159e-07, -2.528174268419108e-07, 1.326003454762908e-06, 42.05985792398261, -76.82054904789567]); |
| const svgMatrix = document.createElementNS('http://www.w3.org/2000/svg', 'svg').createSVGMatrix(); |
| |
| svgMatrix.a = matrix.a; |
| svgMatrix.b = matrix.b; |
| svgMatrix.c = matrix.c; |
| svgMatrix.d = matrix.d; |
| svgMatrix.e = matrix.e; |
| svgMatrix.f = matrix.f; |
| |
| const matrixInverse = matrix.inverse(); |
| const svgMatrixInverse = svgMatrix.inverse(); |
| |
| shouldNotBe("matrixInverse.a", "NaN"); |
| shouldNotBe("matrixInverse.b", "NaN"); |
| shouldNotBe("matrixInverse.c", "NaN"); |
| shouldNotBe("matrixInverse.d", "NaN"); |
| shouldNotBe("matrixInverse.e", "NaN"); |
| shouldNotBe("matrixInverse.f", "NaN"); |
| |
| shouldBeTrue("Math.abs(matrixInverse.a - svgMatrixInverse.a) < 0.0000001"); |
| shouldBeTrue("Math.abs(matrixInverse.b - svgMatrixInverse.b) < 0.0000001"); |
| shouldBeTrue("Math.abs(matrixInverse.c - svgMatrixInverse.c) < 0.0000001"); |
| shouldBeTrue("Math.abs(matrixInverse.d - svgMatrixInverse.d) < 0.0000001"); |
| shouldBeTrue("Math.abs(matrixInverse.e - svgMatrixInverse.e) < 0.0000001"); |
| shouldBeTrue("Math.abs(matrixInverse.f - svgMatrixInverse.f) < 0.0000001"); |
| </script> |
| </body> |
