?? jm1.c
字號:
#include <stdio.h>
#include <math.h>
int n=50,m=1,k=4,count,cnt=1;
int z,z1,b,f,i;
double a,s;
double x[50]={29.3,29.3,29.3,29.3,29.4,29.3,29.5,29.5,29.3,29.5,29.5,29.6,29.8,29.6,29.3,29.5,29.6,29.5,29.3,29.6,29.5,29.7,29.7,29.6,29.7,29.6,29.5,29.5,29.5,29.5,29.6,29.5,29.6,29.6,29.6,29.6,29.6,29.7,29.5,29.6,29.5,29.6,29.7,29.8,29.6,29.7,29.7,29.6,29.7,29.7};
char y[100];
double J[100];
double *p1;
char *p2;
double *p3;
main()
{
p1=x;
p2=y;
p3=J;
a=x[0];
z=floor(a);
b=10*(a-z);
*p2=z;
p2++;
*p2=b;
while(m<n)
{
p1++;m++;
z1=floor(*p1);
if(z==z1)
{
b=10*(*p1-z);
if((k%2)!=0)
{
*p2=(b<<4)|*p2;
k++;
}
else
{
p2++;
*p2=b;
k++;
}
}
else
{
if((k%2)!=0)
{
*p2=240|*p2;
k++;
}
else
{
p2++;
*p2=255;
k=k+2;
}
p2++;
*p2=z1;
z=z1;
p2++;
b=10*(*p1-z);
*p2=b;
k=k+3;
}
}
if((k%2)==0)
count=k/2;
else
count=(k+1)/2;
printf("%d",count);
p2=y;//解壓 基本完全正確解壓,最大誤差正負(fù)0.1
s=*p2;
p2++;
f=*p2;
*p3=s+0.1*f;
while(cnt<count)
{
f=15&(*p2);
if(f==15)
{
p2++;
s=*p2;
cnt=cnt+2;
}
else
{
p3++;
*p3=s+0.1*f;
f=(240&(*p2))>>4;
if(f==15)
{
p2++;
s=*p2;
cnt=cnt+2;
}
else
{
p3++;
*p3=s+0.1*f;
cnt++;
}
}
}
for(i=0;i<n;i++)
printf("J[%d]=%f",i+1,J[i]);
}
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