該樓層疑似違規已被系統折疊 隐藏此樓檢視此樓
#include "stdafx.h"
#include
#include
#include
#include
#define PI 3.14159265358979
using namespace std;
void main()
{
double point[100][3];
char name[100][1];
int i;
FILE *fp=fopen("D:\\作業\\大地坐标.txt","r");
if(fp!=NULL)
for(i=0;fscanf(fp,"%c%lf%lf%lf",&name[i][0],&point[i][0],&point[i][1],&point[i][2])!=EOF;i++);
fclose(fp);
double a=6378137.00,b,e,N;
double X[100],Y[100],Z[100];
char A[100];
int j;
e=sqrt(0.00669437999013);
b=e*e;
FILE *nw;
nw=fopen("D:\\作業\\大地坐标轉換.txt","w");
fprintf(nw,"點号\t\tX\t\tY\t\tZ\n");
for (j=0;j<=i;j++)
{
N=a/(sqrt(1-b*(sin(point[j][0]*PI/180))*(sin(point[j][0]*PI/180))));
A[j]=name[j][0];
X[j]=(N+point[j][2])*cos(point[j][0]*PI/180)*cos(point[j][1]*PI/180);
Y[j]=(N+point[j][2])*cos(point[j][0]*PI/180)*sin(point[j][1]*PI/180);
Z[j]=((1-b)*N+point[j][2])*sin(point[j][0]*PI/180);
fprintf(nw,"%c\t%lf\t%lf\t%lf\n",A[j],X[j],Y[j],Z[j]);
}
fclose(nw);
這是我的程式，為什麼産生的結果裡面卻多出來好多數
點号 X Y Z
A -2235714.338406 4583893.696709 3817435.287400 -23654007456993444000000000000000000000000000000000000000000000.000000 -40371947455848931000000000000000000000000000000000000000000000.000000 -79861624985773307000000000000000000000000000000000000000000000.000000
B -2202842.424937 4598907.632492 3818461.269224 -23654007456993444000000000000000000000000000000000000000000000.000000 -40371947455848931000000000000000000000000000000000000000000000.000000 -79861624985773307000000000000000000000000000000000000000000000.000000
C -2247709.318822 4607966.477709 3781475.984384 -23654007456993444000000000000000000000000000000000000000000000.000000 -40371947455848931000000000000000000000000000000000000000000000.000000 -79861624985773307000000000000000000000000000000000000000000000.000000
?-23654007456993444000000000000000000000000000000000000000000000.000000 -40371947455848931000000000000000000000000000000000000000000000.000000 -79861624985773307000000000000000000000000000000000000000000000.000000
每一行帶有好多0的都是多出來的，求解啊