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jiri 2006-10-24 22:09:23 +00:00
parent eb7e2370f3
commit 79e7a946dd
1 changed files with 29 additions and 0 deletions
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29
fourindex.h
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@ -285,6 +285,35 @@ public:
void setsymmetry(fourindexsymtype s) {symmetry=s;};
fourindexsymtype getsymmetry() const {return symmetry;}
void rewind() const {if(0!=lseek64(fd,0L,SEEK_SET)) {perror("seek error"); laerror("cannot seek in fourindex_ext");} };
//file output
void put(const matel4stored<I,T> x)
{
if(!current) current=buffer;
*current++ = x;
if(current-buffer >= bufsize ) flush();
}
void put(I i, I j, I k, I l, const T &elem)
{
if(!current) current=buffer;
current->index.indiv.i=i;
current->index.indiv.j=j;
current->index.indiv.k=k;
current->index.indiv.l=l;
current->elem = elem;
++current;
if(current-buffer >= bufsize ) flush();
}
void flush()
{
if(current)
{
ssize_t r=write(fd,buffer,(current-buffer)*sizeof(matel4stored<I,T>));
if(r!=(current-buffer)*sizeof(matel4stored<I,T>)) laerror("write error in fourindex_ext");
}
current=NULL;
}
inline I size() const {return nn;}