blob: f27d4b8c7f1b667780dcb7f79812a38e73b51c8e [file] [log] [blame]
 // Copyright (c) 2015, Google Inc. Please see the AUTHORS file for details. // All rights reserved. Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. import 'package:test/test.dart'; import 'package:vector_math/vector_math.dart'; Vector2 \$v2(double x, double y) => Vector2(x, y); Vector3 \$v3(double x, double y, double z) => Vector3(x, y, z); Vector4 \$v4(double x, double y, double z, double w) => Vector4(x, y, z, w); void relativeTest(dynamic output, dynamic expectedOutput) { final errorThreshold = 0.0005; final num error = relativeError(output, expectedOutput).abs(); expect(error >= errorThreshold, isFalse, reason: '\$output != \$expectedOutput : relativeError = \$error'); } void absoluteTest(dynamic output, dynamic expectedOutput) { final errorThreshold = 0.0005; final num error = absoluteError(output, expectedOutput).abs(); expect(error >= errorThreshold, isFalse, reason: '\$output != \$expectedOutput : absoluteError = \$error'); } dynamic makeMatrix(int rows, int cols) { if (rows != cols) { return null; } if (cols == 2) { return Matrix2.zero(); } if (cols == 3) { return Matrix3.zero(); } if (cols == 4) { return Matrix4.zero(); } return null; } T parseMatrix(String input) { input = input.trim(); final rows = input.split('\n'); final values = []; var col_count = 0; for (var i = 0; i < rows.length; i++) { rows[i] = rows[i].trim(); final cols = rows[i].split(' '); for (var j = 0; j < cols.length; j++) { cols[j] = cols[j].trim(); } for (var j = 0; j < cols.length; j++) { if (cols[j].isEmpty) { continue; } if (i == 0) { col_count++; } values.add(double.parse(cols[j])); } } final dynamic m = makeMatrix(rows.length, col_count); for (var j = 0; j < rows.length; j++) { for (var i = 0; i < col_count; i++) { m[m.index(j, i)] = values[j * col_count + i]; //m[i][j] = values[j*col_count+i]; } } return m as T; } T parseVector(String v) { v = v.trim(); final Pattern pattern = RegExp('[\\s]+', multiLine: true, caseSensitive: false); final rows = v.split(pattern); final values = []; for (var i = 0; i < rows.length; i++) { rows[i] = rows[i].trim(); if (rows[i].isEmpty) { continue; } values.add(double.parse(rows[i])); } Vector r; if (values.length == 2) { r = Vector2(values[0], values[1]); } else if (values.length == 3) { r = Vector3(values[0], values[1], values[2]); } else if (values.length == 4) { r = Vector4(values[0], values[1], values[2], values[3]); } else { throw UnimplementedError(); } return r as T; }