新增math库

packages/math/tests/setup.ts

@@ -0,0 +1,23 @@
+/**
+ * Jest测试设置文件
+ * 用于配置全局测试环境
+ */
+
+// 设置测试超时
+jest.setTimeout(10000);
+
+// 全局数学常量和工具函数
+(global as any).EPSILON = 1e-10;
+
+// 浮点数比较助手函数
+(global as any).expectFloatsEqual = (actual: number, expected: number, epsilon = (global as any).EPSILON) => {
+  expect(Math.abs(actual - expected)).toBeLessThan(epsilon);
+};
+
+// 声明全局类型扩展
+declare global {
+  var EPSILON: number;
+  var expectFloatsEqual: (actual: number, expected: number, epsilon?: number) => void;
+}
+
+export {};