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let ncom;
let nnodes;
let narcs;
let ncaps;
{
let mut data = buffer.split_whitespace();
ncom = data.next().ok_or_else(|| MissingNodField("ncom"))?.parse::<usize>()?;
nnodes = data.next().ok_or_else(|| MissingNodField("nnodes"))?.parse::<usize>()?;
narcs = data.next().ok_or_else(|| MissingNodField("narcs"))?.parse::<usize>()?;
ncaps = data.next().ok_or_else(|| MissingNodField("ncaps"))?.parse::<usize>()?;
if data.next().is_some() {
return Err(ExtraNodField);
}
}
// read nodes
let mut nets = Vec::with_capacity(ncom);
for i in 0..ncom {
nets.push(mcf::Solver::new(i, nnodes)?)
}
{
let mut f = File::open(&format!("{}.sup", basename))?;
buffer.clear();
f.read_to_string(&mut buffer)?;
}
for line in buffer.lines() {
let mut data = line.split_whitespace();
let node = data.next().ok_or_else(|| MissingSupField("node"))?.parse::<usize>()?;
let com = data.next().ok_or_else(|| MissingSupField("com"))?.parse::<usize>()?;
let supply = data.next().ok_or_else(|| MissingSupField("supply"))?.parse::<Real>()?;
if data.next().is_some() {
return Err(ExtraSupField);
}
if node < 1 || node > nnodes {
return Err(InvalidNode(node, nnodes));
}
if com < 1 || com > ncom {
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let ncom;
let nnodes;
let narcs;
let ncaps;
{
let mut data = buffer.split_whitespace();
ncom = data.next().ok_or(MissingNodField("ncom"))?.parse::<usize>()?;
nnodes = data.next().ok_or(MissingNodField("nnodes"))?.parse::<usize>()?;
narcs = data.next().ok_or(MissingNodField("narcs"))?.parse::<usize>()?;
ncaps = data.next().ok_or(MissingNodField("ncaps"))?.parse::<usize>()?;
if data.next().is_some() {
return Err(ExtraNodField);
}
}
// read nodes
let mut nets = Vec::with_capacity(ncom);
for i in 0..ncom {
nets.push(mcf::Solver::new(i, nnodes)?)
}
{
let mut f = File::open(&format!("{}.sup", basename))?;
buffer.clear();
f.read_to_string(&mut buffer)?;
}
for line in buffer.lines() {
let mut data = line.split_whitespace();
let node = data.next().ok_or(MissingSupField("node"))?.parse::<usize>()?;
let com = data.next().ok_or(MissingSupField("com"))?.parse::<usize>()?;
let supply = data.next().ok_or(MissingSupField("supply"))?.parse::<Real>()?;
if data.next().is_some() {
return Err(ExtraSupField);
}
if node < 1 || node > nnodes {
return Err(InvalidNode(node, nnodes));
}
if com < 1 || com > ncom {
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{
let mut f = File::open(&format!("{}.arc", basename))?;
buffer.clear();
f.read_to_string(&mut buffer)?;
}
for line in buffer.lines() {
let mut data = line.split_whitespace();
let arc = data.next().ok_or_else(|| MissingArcField("arc"))?.parse::<usize>()?;
let src = data.next().ok_or_else(|| MissingArcField("src"))?.parse::<usize>()?;
let snk = data.next().ok_or_else(|| MissingArcField("snk"))?.parse::<usize>()?;
let com = data.next().ok_or_else(|| MissingArcField("com"))?.parse::<usize>()?;
let cost = data.next().ok_or_else(|| MissingArcField("cost"))?.parse::<Real>()?;
let cap = data.next().ok_or_else(|| MissingArcField("cap"))?.parse::<Real>()?;
let mt = data.next().ok_or_else(|| MissingArcField("mt"))?.parse::<usize>()?;
if data.next().is_some() {
return Err(ExtraArcField);
}
if arc < 1 || arc > narcs {
return Err(InvalidArc(arc, narcs));
}
if src < 1 || src > nnodes {
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{
let mut f = File::open(&format!("{}.arc", basename))?;
buffer.clear();
f.read_to_string(&mut buffer)?;
}
for line in buffer.lines() {
let mut data = line.split_whitespace();
let arc = data.next().ok_or(MissingArcField("arc"))?.parse::<usize>()?;
let src = data.next().ok_or(MissingArcField("src"))?.parse::<usize>()?;
let snk = data.next().ok_or(MissingArcField("snk"))?.parse::<usize>()?;
let com = data.next().ok_or(MissingArcField("com"))?.parse::<usize>()?;
let cost = data.next().ok_or(MissingArcField("cost"))?.parse::<Real>()?;
let cap = data.next().ok_or(MissingArcField("cap"))?.parse::<Real>()?;
let mt = data.next().ok_or(MissingArcField("mt"))?.parse::<usize>()?;
if data.next().is_some() {
return Err(ExtraArcField);
}
if arc < 1 || arc > narcs {
return Err(InvalidArc(arc, narcs));
}
if src < 1 || src > nnodes {
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let mut f = File::open(&format!("{}.mut", basename))?;
buffer.clear();
f.read_to_string(&mut buffer)?;
}
let mut rhs = dvec![0.0; ncaps];
for line in buffer.lines() {
let mut data = line.split_whitespace();
let mt = data.next().ok_or_else(|| MissingMutField("mt"))?.parse::<usize>()?;
let cap = data.next().ok_or_else(|| MissingMutField("cap"))?.parse::<Real>()?;
if data.next().is_some() {
return Err(ExtraMutField);
}
if mt < 1 || mt > ncaps {
return Err(InvalidMut(mt, ncaps));
}
rhs[mt - 1] = cap;
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let mut f = File::open(&format!("{}.mut", basename))?;
buffer.clear();
f.read_to_string(&mut buffer)?;
}
let mut rhs = dvec![0.0; ncaps];
for line in buffer.lines() {
let mut data = line.split_whitespace();
let mt = data.next().ok_or(MissingMutField("mt"))?.parse::<usize>()?;
let cap = data.next().ok_or(MissingMutField("cap"))?.parse::<Real>()?;
if data.next().is_some() {
return Err(ExtraMutField);
}
if mt < 1 || mt > ncaps {
return Err(InvalidMut(mt, ncaps));
}
rhs[mt - 1] = cap;
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})
.collect::<Vec<_>>();
let subdatas = cbase
.into_iter()
.zip(lhs)
.zip(std::iter::once(rhs).chain(std::iter::repeat(dvec![])))
.map(|((cbase, lhs), rhs)| SubData { cbase, lhs, rhs })
.map(Arc::new)
.collect();
let subproblems = nets
.into_iter()
.map(|net| Subproblem { net, c: dvec![] })
.map(RwLock::new)
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})
.collect::<Vec<_>>();
let subdatas = cbase
.into_iter()
.zip(lhs)
.zip(std::iter::once(rhs).chain(std::iter::repeat(dvec![])))
.map(|((cbase, lhs), rhs)| SubData { lhs, rhs, cbase })
.map(Arc::new)
.collect();
let subproblems = nets
.into_iter()
.map(|net| Subproblem { net, c: dvec![] })
.map(RwLock::new)
|
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