idioms/idiom/assets/core/util_class/SafeNumber.ts

/**
* 防内存调试变量数字类型
*/
class SafeVarNumber {
    private cache: number = 0;
    private scale: number = 2;
    private map: Object = {};
    private idx: number = 0;
    constructor(num: number = 0) {
        this.value = num;
    }
    /**数值 */
    get value() {
        if (Math.abs(this.map[this.idx] * this.scale - this.cache) > 0.000001) {
            this.map[this.idx] = this.cache / this.scale;
        }
        return this.map[this.idx];
    }
    set value(num: number) {
        delete this.map[this.idx];
        this.idx = Math.floor(Math.random() * 256);
        this.map[this.idx] = num;
        this.scale = Math.floor(Math.random() * 2) + 2;
        this.cache = num * this.scale;
    }
    valueOf() {
        return this.value;
    }
    toString() {
        return this.value.toString();
    }
    clone() {
        return new SafeVarNumber(this.value);
    }
}
/**
* 防内存调试常量数字类型
*/
class SafeConstNumber {
    private cache: number = 0;
    private scale: number = 2;
    private map: Object = {};
    private idx: number = 0;
    constructor(num: number = 0) {
        this.idx = Math.floor(Math.random() * 256);
        this.map[this.idx] = num;
        this.scale = Math.floor(Math.random() * 2) + 2;
        this.cache = num * this.scale;
    }
    /**数值 */
    get value() {
        let num = this.map[this.idx];
        if (Math.abs(num * this.scale - this.cache) > 0.000001) {
            num = this.cache / this.scale;
        }

        delete this.map[this.idx];
        this.idx = Math.floor(Math.random() * 256);
        this.map[this.idx] = num;

        return this.map[this.idx];
    }
    valueOf() {
        return this.value;
    }
    toString() {
        return this.value.toString();
    }
    clone() {
        return new SafeConstNumber(this.value);
    }
}
export function get_new_safe_number(num:number):SafeVarNumber { return new SafeVarNumber(num);}
export function get_new_safe_const_number(num:number):SafeConstNumber { return new SafeConstNumber(num);}