void alg2_recommon_n(Term a2)
{
List m2l,l,l1,nl;
int cnum,n,d;
m2l=CompoundArgN(a2,5);
nl=NewList();
l=m2l;
if(is_empty_list(l))
return;
while(!is_empty_list(l))
{
nl=AppendLast(nl,CompoundArg1(ListFirst(l)));
l=ListTail(l);
}
cnum=gcf_list(nl);
if(IntegerValue(ListFirst(nl))<0)
cnum*=-1;
if(cnum==1)
{
RemoveList(nl);
return;
}
l1=m2l;
l=nl;
while(!is_empty_list(l))
{
SetCompoundArg(ListFirst(l1),1,
NewInteger(IntegerValue(ListFirst(l))/cnum));
l=ListTail(l);
l1=ListTail(l1);
}
RemoveList(nl);
n=IntegerValue(CompoundArg1(CompoundArg2(a2)));
d=IntegerValue(CompoundArg2(CompoundArg2(a2)));
n*=cnum;
cnum=gcf(n,d);
n/=cnum;
d/=cnum;
SetCompoundArg(CompoundArg2(a2),1,NewInteger(n));
SetCompoundArg(CompoundArg2(a2),2,NewInteger(d));
return ;
}
int main(int argc, char *argv[]){
HREinitBegin(argv[0]);
HREaddOptions(options,"Tool for creating and extracting GCF archives\n\nOperations");
HREinitStart(&argc,&argv,0,-1,NULL,"<operation> <arguments>");
compression_policy=SSMcreateSWP(gcf_policy);
coding_policy=SSMcreateSWP(zip_policy);
switch(operation){
case GCF_CREATE:
gcf_create();
break;
case GCF_EXTRACT:
gcf_extract();
break;
case GCF_LIST:
gcf_list();
break;
case GCF_COPY:
gcf_copy();
break;
case GCF_COMPRESS:
gcf_compress();
break;
case GCF_DECOMPRESS:
gcf_decompress();
break;
case GCF_TO_ZIP:
gcf_copy_zip();
break;
case ZIP_TO_GCF:
zip_copy_gcf();
break;
default:
Abort("Illegal arguments, type gcf -h for help");
}
HREexit(EXIT_SUCCESS);
}
void alg2_common_n(Term a2)
{
List m2l,l,l1,nl,dl;
int cnum,cden,ti;
m2l=CompoundArgN(a2,5);
nl=dl=NewList();
l=m2l;
if(is_empty_list(l))
return;
while(!is_empty_list(l))
{
Term t;
t=ConsumeCompoundArg(ListFirst(l),1);
nl=AppendLast(nl,CompoundArg1(t));
dl=AppendLast(dl,CompoundArg2(t));
FreeAtomic(t);
l=ListTail(l);
}
cnum=gcf_list(nl);
cden=gcf_list(dl);
if(IntegerValue(ListFirst(nl))<0)
cnum*=-1;
l=nl;
l1=dl;
while(!is_empty_list(l))
{
ChangeList(l,NewInteger(IntegerValue(ListFirst(l))/cnum));
ChangeList(l1,NewInteger(IntegerValue(ListFirst(l1))/cden));
l=ListTail(l);
l1=ListTail(l1);
}
ti=mlt_list1(dl);
l=nl;
l1=dl;
while(!is_empty_list(l))
{
ChangeList(l,
NewInteger(IntegerValue(ListFirst(l))*ti/IntegerValue(ListFirst(l1))));
l=ListTail(l);
l1=ListTail(l1);
}
cden*=ti;
ti=gcf_list(nl);
cnum*=ti;
l=nl;
while(!is_empty_list(l))
{
ChangeList(l,NewInteger(IntegerValue(ListFirst(l))/ti));
l=ListTail(l);
}
ti=gcf(cnum,cden);
cnum/=ti;
cden/=ti;
RemoveList(dl);
SetCompoundArg(a2,2,MakeCompound2(OPR_DIV,NewInteger(cnum),NewInteger(cden)));
l=m2l;
l1=nl;
while(!is_empty_list(l))
{
SetCompoundArg(ListFirst(l),1,ListFirst(l1));
l1=ListTail(l1);
l=ListTail(l);
}
RemoveList(nl);
return ;
}
