jiri/LA_library
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

debugged bitvector mantissa

Browse Source
This commit is contained in:
Jiri Pittner 2022-07-05 21:19:09 +02:00
parent 31858216be
commit bcec9491f7
2 changed files with 15 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
bitvector.h
View File

@ -101,10 +101,10 @@ if(x<0||x>=1) laerror("number not normalized in bitvector mantissa");
bitvector b(nbits); bitvector b(nbits);
b.clear(); b.clear();
T y= x+x; T y= x+x;
for(int i=0; i<nbits; ++i) for(int i=0; i<nbits-1; ++i)
{ {
int n= (int) y; int n= (int) y;
if(n&1) b.set(i); if(n&1) b.set(i+1);
y += y; y += y;
} }
return b; return b;

14
t.cc
View File

@ -2585,11 +2585,23 @@ x.concatme(y);
cout <<x; cout <<x;
} }
if(1) if(0)
{ {
double x; double x;
cin>>x; cin>>x;
cout <<mantissa(x,20)<<endl; cout <<mantissa(x,20)<<endl;
} }
if(1)
{
double t,t2;
cin>>t;
bitvector m = mantissa(t,64);
cout <<m<<std::endl;
bitvector_decimal(t2,m);
cout <<t2;
}
} }