2026-05-26 11:12:44 +08:00
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/*
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* MIT License
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*
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* Copyright (c) 2026 YuYuKunKun
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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2026-05-25 02:16:35 +08:00
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use crate::structure::dash_line::虚线;
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use crate::structure::feat_fractal::特征分型;
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use crate::structure::fractal_obj::分型;
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use crate::types::{分型结构, 相对方向};
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use std::rc::Rc;
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/// 线段特征 — 特征序列元素(内部是虚线的集合)
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#[derive(Debug, Clone)]
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pub struct 线段特征 {
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pub 序号: i64,
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pub 标识: String,
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pub 线段方向: 相对方向,
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pub 元素: Vec<Rc<虚线>>,
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}
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impl 线段特征 {
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pub fn new(标识: String, 基础序列: Vec<Rc<虚线>>, 线段方向: 相对方向) -> Self {
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Self {
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序号: 0,
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标识,
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线段方向,
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元素: 基础序列,
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}
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}
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pub fn 图表标题(&self) -> String {
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self.标识.clone()
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}
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/// 文 — 取特征序列元素中分型特征值最大/最小的文分型
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/// tiebreaker: later时间戳 wins when特征值 equal (matches Python)
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pub fn 文(&self) -> Rc<分型> {
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if self.线段方向.是否向上() {
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self.元素
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.iter()
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.max_by(|a, b| {
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a.文
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.分型特征值
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.partial_cmp(&b.文.分型特征值)
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.unwrap_or(std::cmp::Ordering::Equal)
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.then_with(|| a.文.时间戳.cmp(&b.文.时间戳))
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2026-05-25 02:16:35 +08:00
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})
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.map(|x| Rc::clone(&x.文))
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.unwrap_or_else(|| Rc::clone(&self.元素[0].文))
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} else {
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self.元素
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.iter()
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.min_by(|a, b| {
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a.文
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.分型特征值
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.partial_cmp(&b.文.分型特征值)
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.unwrap_or(std::cmp::Ordering::Equal)
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2026-05-25 04:26:15 +08:00
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.then_with(|| b.文.时间戳.cmp(&a.文.时间戳))
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2026-05-25 02:16:35 +08:00
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})
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.map(|x| Rc::clone(&x.文))
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.unwrap_or_else(|| Rc::clone(&self.元素[0].文))
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}
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}
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/// 武 — 取特征序列元素中分型特征值最大/最小的武分型
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/// tiebreaker: later时间戳 wins when特征值 equal (matches Python)
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2026-05-25 02:16:35 +08:00
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pub fn 武(&self) -> Rc<分型> {
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if self.线段方向.是否向上() {
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self.元素
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.iter()
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.max_by(|a, b| {
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a.武
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.分型特征值
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.partial_cmp(&b.武.分型特征值)
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.unwrap_or(std::cmp::Ordering::Equal)
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.then_with(|| a.武.时间戳.cmp(&b.武.时间戳))
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})
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.map(|x| Rc::clone(&x.武))
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.unwrap_or_else(|| Rc::clone(&self.元素[0].武))
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} else {
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self.元素
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.iter()
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.min_by(|a, b| {
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a.武
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.分型特征值
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.partial_cmp(&b.武.分型特征值)
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.unwrap_or(std::cmp::Ordering::Equal)
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.then_with(|| b.武.时间戳.cmp(&a.武.时间戳))
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2026-05-25 02:16:35 +08:00
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})
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.map(|x| Rc::clone(&x.武))
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.unwrap_or_else(|| Rc::clone(&self.元素[0].武))
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}
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}
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pub fn 高(&self) -> f64 {
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let 文 = self.文();
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let 武 = self.武();
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文.分型特征值.max(武.分型特征值)
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}
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pub fn 低(&self) -> f64 {
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let 文 = self.文();
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let 武 = self.武();
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文.分型特征值.min(武.分型特征值)
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}
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/// 方向 — 线段方向的翻转
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pub fn 方向(&self) -> 相对方向 {
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self.线段方向.翻转()
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}
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/// 向特征序列元素中添加虚线
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pub fn 添加(&mut self, 待添加虚线: Rc<虚线>) -> Result<(), String> {
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if 待添加虚线.方向() == self.线段方向 {
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return Err("添加方向与线段方向相同".into());
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}
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self.元素.push(待添加虚线);
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Ok(())
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}
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2026-05-25 04:26:15 +08:00
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/// 从特征序列元素中删除虚线
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pub fn 删除(&mut self, 待删除虚线: &Rc<虚线>) -> Result<(), String> {
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if 待删除虚线.方向() == self.方向() {
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return Err("删除方向与特征序列方向相同".into());
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}
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if let Some(pos) = self
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.元素
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.iter()
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.position(|x| Rc::as_ptr(x) == Rc::as_ptr(待删除虚线))
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{
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self.元素.remove(pos);
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Ok(())
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} else {
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Err("待删除虚线不在特征序列中".into())
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}
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}
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2026-05-25 02:16:35 +08:00
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/// 新建特征序列元素
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pub fn 新建(虚线序列: Vec<Rc<虚线>>, 线段方向: 相对方向) -> Self {
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let 标识 = format!("特征<虚线>");
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Self::new(标识, 虚线序列, 线段方向)
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}
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/// 静态分析 — 从虚线序列生成特征序列元素列表
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pub fn 静态分析(
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虚线序列: &[Rc<虚线>],
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线段方向: 相对方向,
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四象: &str,
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是否忽视: bool,
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) -> Vec<Rc<线段特征>> {
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let mut 结果: Vec<Rc<线段特征>> = Vec::new();
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// 需要被合并的方向集合
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let 需要合并: Vec<相对方向> = match 四象 {
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"老阳" | "老阴" if !是否忽视 => vec![相对方向::顺, 相对方向::逆, 相对方向::同],
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_ => vec![相对方向::顺, 相对方向::同],
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};
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for 虚线 in 虚线序列 {
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// 情况1:方向相同(可能触发分型替换)
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if 虚线.方向() == 线段方向 {
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if 结果.len() >= 3 {
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let 左 = Rc::clone(&结果[结果.len() - 3]);
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let 中 = Rc::clone(&结果[结果.len() - 2]);
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let 右 = Rc::clone(&结果[结果.len() - 1]);
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if let Some(结构) = 分型结构::分析(&*左, &*中, &*右, true, true) {
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let 应替换 = (线段方向 == 相对方向::向上
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&& 结构 == 分型结构::顶
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&& 虚线.高() > 中.高())
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|| (线段方向 == 相对方向::向下
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&& 结构 == 分型结构::底
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&& 虚线.低() < 中.低());
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if 应替换 {
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2026-05-25 04:26:15 +08:00
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let 小号虚线 = 中.元素.iter().min_by_key(|o| o.序号).unwrap();
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let 大号虚线 = 右.元素.iter().max_by_key(|o| o.序号).unwrap();
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2026-05-25 02:16:35 +08:00
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let fake = 虚线::创建笔(
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Rc::clone(&小号虚线.文),
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Rc::clone(&大号虚线.武),
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false,
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);
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结果.pop();
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let idx = 结果.len() - 1;
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结果[idx] = Rc::new(Self::新建(vec![Rc::new(fake)], 线段方向));
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}
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}
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}
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continue;
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}
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// 情况2:方向不同(执行特征序列的合并/添加)
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if 结果.is_empty() {
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结果.push(Rc::new(Self::新建(vec![Rc::clone(虚线)], 线段方向)));
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continue;
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}
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// 检查与最后一个特征序列的方向关系
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let 最后_idx = 结果.len() - 1;
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let 之前线段特征 = &*结果[最后_idx];
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if 需要合并.contains(&相对方向::分析(
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之前线段特征.高(),
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之前线段特征.低(),
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虚线.高(),
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虚线.低(),
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)) {
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// Clone-modify-replace
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let mut 新特征 = (*结果[最后_idx]).clone();
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let _ = 新特征.添加(Rc::clone(虚线));
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结果[最后_idx] = Rc::new(新特征);
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} else {
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结果.push(Rc::new(Self::新建(vec![Rc::clone(虚线)], 线段方向)));
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}
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}
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结果
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}
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/// 获取分型序列
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pub fn 获取分型序列(特征序列: &[Rc<线段特征>]) -> Vec<特征分型> {
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let mut 结果 = Vec::new();
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if 特征序列.len() < 3 {
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return 结果;
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}
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for i in 2..特征序列.len() {
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let 左 = Rc::clone(&特征序列[i - 2]);
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let 中 = Rc::clone(&特征序列[i - 1]);
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let 右 = Rc::clone(&特征序列[i]);
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2026-05-25 04:26:15 +08:00
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let 结构 = 分型结构::分析_对象(
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2026-05-25 02:16:35 +08:00
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&*左 as &dyn crate::types::fractal::有高低,
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&*中 as &dyn crate::types::fractal::有高低,
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&*右 as &dyn crate::types::fractal::有高低,
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true,
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true,
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2026-05-25 04:26:15 +08:00
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);
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结果.push(特征分型::new(左, 中, 右, 结构.unwrap_or(分型结构::散)));
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2026-05-25 02:16:35 +08:00
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}
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结果
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}
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}
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impl crate::types::fractal::有高低 for 线段特征 {
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fn 高(&self) -> f64 {
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self.高()
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}
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fn 低(&self) -> f64 {
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self.低()
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}
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}
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impl std::fmt::Display for 线段特征 {
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fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
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if self.元素.is_empty() {
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write!(f, "{}<{}, 空>", self.标识, self.线段方向)
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} else {
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write!(
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f,
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"{}<{}, {}, {}, {}>",
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self.标识,
|
|
|
|
|
self.线段方向,
|
|
|
|
|
self.文(),
|
|
|
|
|
self.武(),
|
|
|
|
|
self.元素.len()
|
|
|
|
|
)
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|