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Maltab之求两条直线相交的锐角
function theta=getAcuteAngleOfTwoLines(point1,point2,point3,point4) [x1,y1]=deal(point1(1),point1(2)); [x2,y2]=deal(point2(1),point2(2)); [x3,y3]=deal(point3(1),point3(2)); [x4,y4]=deal(point4(1),point4(2)); t =[x2-x1,y2-y1]; s =[x4-x3,y4-y3]; theta=acosKuangbin的计算几何模板
7 计算几何 7.1 二维几何 // `计算几何模板` const double eps = 1e-8; const double inf = 1e20; const double pi = acos(-1.0); const int maxp = 1010; //`Compares a double to zero` int sgn(double x){ if(fabs(x) < eps)return 0; if(x < 0)return -1; else return 1;计算几何模板
#include <bits/stdc++.h> using namespace std; const double pi = acos(-1.0); //高精度圆周率 const double eps = 1e-8; //偏差值 const int maxp = 1010; //点的数量 int sgn(double x){ //判断x是否等于0 if(fabs(x) < eps) return 0; else r(转)计算几何模板 - kuangbin
转自:https://kuangbin.github.io/2019/04/28/20190428/#more 二维几何 // `计算几何模板` const double eps = 1e-8; const double inf = 1e20; const double pi = acos(-1.0); const int maxp = 1010; //`Compares a double to zero` int sgn(double x){ if(fabs(x) < eps)r计算几何模板
#include #include <math.h> #include #define eps 1e-8 #define zero(x) (((x)>0?(x):-(x))<eps) #define pi acos(-1.0) struct point { double x, y; }; struct line { point a, b; }; struct point3 { double x, y, z; }; struct line3 { point3 a, b; }; sPotato的暑期训练day#2 ——计算几何模板
目录 计算几何 二维几何: 点与向量 线 多边形 圆 半平面交 平面直线图(PSGL) 旋转卡壳 三维几何 基础点面 凸包 计算几何 二维几何: 点与向量 const double eps=1e-10; const double PI=acos(-1.0); struct Point{ double x,y; Point(double x=0,double y=0):x(x),y(