void LUforw ( ptrdiff_t first, ptrdiff_t last, ptrdiff_t n, ptrdiff_t nu, ptrdiff_t maxmod,
double eps, double *L, double *U, double *y )
{
/* ------------------------------------------------------------------
LUforw updates the factors LC = U by performing a forward sweep
to eliminate subdiagonals in a row spike in row 'last' of U.
L is n by n.
U is n by nu.
y[*] contains the row spike. The first nonzero to be eliminated
is in y[first] or later.
The 'spike' row of L begins at L[ls].
18 Mar 1990: First version with L and U stored row-wise.
------------------------------------------------------------------ */
ptrdiff_t lu, ll, ls, incu, ly, numu;
double cs, sn;
lu = (first - 1)*maxmod + (3 - first)*first/2;
ll = (first - 1)*maxmod + 1;
ls = (last - 1)*maxmod + 1;
incu = maxmod + 1 - first;
for (ly = first; ly<last; ly++) {
/* See if this element of y is worth eliminating.
We compare y[ly] with the corresponding diagonal of U. */
if ( fabs(y[ly]) > eps * fabs(U[lu]) ) {
/* Generate a 2x2 elimination and apply it to U and L. */
numu = nu - ly;
elmgen( &U[lu], &y[ly] , eps , &cs, &sn );
if (numu > 0)
elm ( 1, numu , &U[lu], &y[ly], cs, sn );
elm ( 1, n, &L[subvec(ll)], &L[subvec(ls)], cs, sn );
}
ll += maxmod;
lu += incu;
incu--;
}
/* Copy the remaining part of y into U. */
numu = nu - last + 1;
if (numu > 0)
LUdcopy ( numu, &y[subvec(last)], 1, &U[subvec(lu)], 1 );
/* End of LUforw */
}
gMatrixSparse gMatrixSparse::eVect(int index, int length, bool transpose)
{
vector<elm> vect;
if (transpose) {
vect.push_back(elm(0, index - 1, 1.0));
return gMatrixSparse(1, length, vect);
} else {
vect.push_back(elm(index - 1, 0, 1.0));
return gMatrixSparse(length, 1, vect);
}
}
wxString pgsRecord::value() const
{
wxString data;
pgsVarMap vars;
// Go through each line and enclose it into braces
for (USHORT i = 0; i < count_lines(); i++)
{
data += wxT("(");
// Go through each column and separate them with commas
for (USHORT j = 0; j < count_columns(); j++)
{
wxString elm(m_record[i][j]->eval(vars)->value());
if (!m_record[i][j]->is_number())
{
elm.Replace(wxT("\\"), wxT("\\\\"));
elm.Replace(wxT("\""), wxT("\\\""));
elm = wxT("\"") + elm + wxT("\"");
}
data += elm + (j != count_columns() - 1 ? wxT(",") : wxT(""));
}
data += (i == count_lines() - 1) ? wxT(")") : wxT(")\n");
}
// Return the string representation of the record
return data;
}
virtual bool assembleSystem(const TimeDomain& time,
const Vectors& prevSol,
bool newLHSmatrix, bool)
{
const double M = 10.0; // Mass of the oscillator
const double K = 1000.0; // Stiffness of the oscillator
const double F = 1.0; // External load (constant)
myEqSys->initialize(newLHSmatrix);
bool ok;
if (myProblem->getMode() == SIM::MASS_ONLY) {
ElmMats elm;
elm.resize(1,1); elm.redim(1);
elm.A[0].fill(M); // Mass Matrix
ok = myEqSys->assemble(&elm,1);
}
else {
const double* intPrm = static_cast<Problem*>(myProblem)->getIntPrm();
NewmarkMats elm(intPrm[0],intPrm[1],intPrm[2],intPrm[3]);
elm.resize(3,1); elm.redim(1); elm.vec.resize(3);
elm.setStepSize(time.dt,0);
elm.A[1].fill(M); // Mass matrix
elm.A[2].fill(K); // Stiffness matrix
elm.b[0] = -K*prevSol.front(); // Elastic forces
for (int i = 0; i < 3; i++) elm.vec[i] = prevSol[i];
ok = myEqSys->assemble(&elm,1);
}
// Add in the external load
ok &= mySam->assembleSystem(*myEqSys->getVector(),&F,1);
return ok && myEqSys->finalize(newLHSmatrix);
}
gMatrixSparse gMatrixSparse::operator*(gMatrixSparse &right)
{
assert(numCols == right.numRows);
vector<elm> vect;
gMatrixSparse trans = getTranspose();
bool nempty[numRows];
std::map<int, gMatrixSparse::gColumnSparse> rowMap;
for (int i = 0; i < numRows; i++) {
nempty[i] = !trans.colIsEmpty(i);
if (nempty[i]) rowMap[i] = trans.getColumn(i);
}
for (int c = 0; c < right.numCols; c++) {
if (right.colIsEmpty(c)) continue;
gColumnSparse col = right.getColumn(c);
for (int r = 0; r < numRows; r++) {
if (nempty[r]) {
double val = col.dot(rowMap[r]);
vect.push_back(elm(r, c, val));
}
}
}
return gMatrixSparse(numRows, right.numCols, vect, true);
}
virtual bool assembleSystem(const TimeDomain& time,
const Vectors& prevSol,
bool newLHSmatrix, bool)
{
const double M = 1.0; // Mass of the oscillator
const double K = 1000.0; // Stiffness of the oscillator
myEqSys->initialize(newLHSmatrix);
bool ok;
if (myProblem->getMode() == SIM::MASS_ONLY) {
ElmMats elm;
elm.resize(1,1); elm.redim(2);
elm.A[0](1,1) = elm.A[0](2,2) = M; // Mass matrix
ok = myEqSys->assemble(&elm,1);
}
else {
const double* intPrm = static_cast<Problem*>(myProblem)->getIntPrm();
NewmarkMats elm(intPrm[0],intPrm[1],intPrm[2],intPrm[3]);
elm.resize(3,1); elm.redim(2); elm.vec.resize(3);
elm.setStepSize(time.dt,0);
elm.A[1](1,1) = elm.A[1](2,2) = M; // Mass Matrix
elm.A[2](1,1) = elm.A[2](2,2) = K; // Stiffness matrix
elm.A[2](2,1) = elm.A[2](1,2) = -K;
elm.b[0] = elm.A[2]*prevSol.front(); // Elastic forces
elm.b[0] *= -1.0;
for (int i = 0; i < 3; i++) elm.vec[i] = prevSol[i];
ok = myEqSys->assemble(&elm,1);
}
return ok && myEqSys->finalize(newLHSmatrix);
}
void rels_file::write(const std::wstring & RootPath)
{
std::wstringstream resStream;
rels_.xml_to_stream(resStream);
simple_element elm(filename_, resStream.str());
elm.write(RootPath);
}
// SXADDLQSI = SXAddl_SXCQsi_SXDId SXADDLDBQUERY *UNKNOWNFRT SXAddl_SXCQsi_SXDEnd
const bool SXADDLQSI::loadContent(BinProcessor& proc)
{
bool result = false;
int level = 0;
while (true)
{
CFRecordType::TypeId type = proc.getNextRecordType();
if (type != rt_SXAddl) break;
proc.optional<SXAddl>();
SXAddl* addl = dynamic_cast<SXAddl*>(elements_.back().get());
if (!addl) continue;
if (result && addl->bStartElement)
{
level++;
_sxAddl elm(current, level);
current = ¤t->back().levels;
current->push_back(elm);
elements_.pop_back();
continue;
}
result = true;
if (addl->bEndElement)
{
elements_.pop_back();
if (level == 0)
break;
else level--;
current = current->back().prev;
continue;
}
if (level == 0)
{
SXAddl_SXCQsi_SXDId* p0 = dynamic_cast<SXAddl_SXCQsi_SXDId*>(addl->content.get());
if (p0)
{
m_SXAddl_SXCQsi_SXDId = addl->content;
}
}
current->back().elements.push_back(elements_.back());
elements_.pop_back();
}
current = NULL;
return result;
}
Handler<WidgetObject> WorldObject::findWidgetById(const std::string& widgetid)
{
Handler<World> const world = this->world();
Handler<WidgetElement> elm(world->findWidgetById(widgetid));
if( !elm ) {
return Handler<WidgetObject>();
}
return elm->widget()->donutObject();
}
gMatrixSparse gMatrixSparse::getIdentity(int numRows, int numCols)
{
vector<elm> vect;
int d = min(numRows, numCols);
for (int i = 0; i < d; i++)
vect.push_back(elm(i, i, 1.0));
return gMatrixSparse(numRows, numCols, vect);
}
Handler<Element> TabCombo::removeChild(std::size_t const& idx)
{
Handler<Element> elm(this->frame_->removeChild(idx));
auto const it = this->buttonMap_.find(elm);
Handler<TabButton> btn(it->second);
this->buttonMap_.erase(it);
this->buttons_->removeChild(btn);
if(Handler<Element> front = this->frontChild()){ //もうボタンが残っていない場合、nullが帰ってくるので
updateButtonState(front, Handler<TabButton>());
}
return elm;
}
void core_file::write(const std::wstring & RootPath)
{
std::wstringstream resStream;
resStream << L"<cp:coreProperties xmlns:cp=\"http://schemas.openxmlformats.org/package/2006/metadata/core-properties\" "
L"xmlns:dc=\"http://purl.org/dc/elements/1.1/\" xmlns:dcmitype=\"http://purl.org/dc/dcmitype/\" "
L"xmlns:dcterms=\"http://purl.org/dc/terms/\" xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\" >";
//resStream << L"<dc:creator>ONLYOFFICE</dc:creator>";
//resStream << L"<cp:lastModifiedBy>ONLYOFFICE</cp:lastModifiedBy>";
resStream << L"<cp:revision>1</cp:revision>";
resStream << L"</cp:coreProperties>";
simple_element elm(L"core.xml", resStream.str());
elm.write(RootPath);
}
void app_file::write(const std::wstring & RootPath)
{
std::wstringstream resStream;
resStream << L"<Properties xmlns=\"http://schemas.openxmlformats.org/officeDocument/2006/extended-properties\" "
L"xmlns:vt=\"http://schemas.openxmlformats.org/officeDocument/2006/docPropsVTypes\" >";
resStream << L"<Application>";
std::wstring sApplication = NSSystemUtils::GetEnvVariable(NSSystemUtils::gc_EnvApplicationName);
if (sApplication.empty())
sApplication = NSSystemUtils::gc_EnvApplicationNameDefault;
resStream << sApplication;
#if defined(INTVER)
std::string s = VALUE2STR(INTVER);
resStream << L"/" << std::wstring(s.begin(), s.end()) ;
#endif
resStream << L"</Application></Properties>";
simple_element elm(L"app.xml", resStream.str());
elm.write(RootPath);
}
// computes the current 13 3-node circuits of s1-t1+neighbours
// and s2-t2+neighbours. Puts results in sub-a 13*1 vector.
// computes the future 13 3-node circuits of s1-t2 and neighbours
// and s2-t1+neighbours. Puts results in add-a 13*1 vector.
// Takes into account that double edges are switched
void fill_13_dbl(Network *N,int s1,int t1,int s2,int t2,int sub[14],int add[14])
{
int sarr1[ARR_NUM];
int tarr1[ARR_NUM];
int sarr2[ARR_NUM];
int tarr2[ARR_NUM];
int sarr1_len,tarr1_len,sarr2_len,tarr2_len;
register int i;
int state_var;
int index;
int old_triple[ARR_NUM][4];
int new_triple[ARR_NUM][4];
int old_len=0;
int new_len=0;
int first,second,third;
zero_neighbours(sarr1,&sarr1_len);
zero_neighbours(tarr1,&tarr1_len);
zero_neighbours(sarr2,&sarr2_len);
zero_neighbours(tarr2,&tarr2_len);
fill_neighbours(N,s1,t1,1,sarr1,&sarr1_len);
fill_neighbours(N,t1,s1,0,tarr1,&tarr1_len);
fill_neighbours(N,s2,t2,1,sarr2,&sarr2_len);
fill_neighbours(N,t2,s2,0,tarr2,&tarr2_len);
for (i=0;i<14;i++)
{
sub[i]=0;
add[i]=0;
}
for (i=0;i<ARR_NUM;i++)
{
old_triple[i][0]=0;old_triple[i][1]=0;old_triple[i][2]=0;old_triple[i][3]=0;
new_triple[i][0]=0;new_triple[i][1]=0;new_triple[i][2]=0;new_triple[i][3]=0;
}
old_len=0;
new_len=0;
// fprintf(GNRL_ST.mat_metrop_fp,"starting old set\n");
/* update sub with the circuits of sarr1,s1,t1 */
for (i=0;i<sarr1_len;i++)
{
refine(old_triple,&old_len,sarr1[i],s1,t1);
}
/* update sub with the circuits of s1,t1,tarr1 */
for (i=0;i<tarr1_len;i++)
{
refine(old_triple,&old_len,s1,t1,tarr1[i]);
}
/* update sub with the circuits of sarr2,s2,t2 */
for (i=0;i<sarr2_len;i++)
{
refine(old_triple,&old_len,sarr2[i],s2,t2);
}
/* update sub with the circuits of s2,t2,tarr2 */
for (i=0;i<tarr2_len;i++)
{
refine(old_triple,&old_len,s2,t2,tarr2[i]);
}
/********* New bug fix - when a node connects to both s1 and t2 **********/
/* update sub with the circuits of sarr1,s1,t2 */
for (i=0;i<sarr1_len;i++)
{
refine(old_triple,&old_len,sarr1[i],s1,t2);
}
/* update sub with the circuits of s1,t2,tarr2 */
for (i=0;i<tarr2_len;i++)
{
refine(old_triple,&old_len,s1,t2,tarr2[i]);
}
/* update sub with the circuits of sarr2,s2,t1 */
for (i=0;i<sarr2_len;i++)
{
refine(old_triple,&old_len,sarr2[i],s2,t1);
}
/* update sub with the circuits of s2,t1,tarr1 */
for (i=0;i<tarr1_len;i++)
{
refine(old_triple,&old_len,s2,t1,tarr1[i]);
}
for (i=0;i<old_len;i++)
{
first=old_triple[i][1];
second=old_triple[i][2];
third=old_triple[i][3];
state_var=32*is_edge(N,first,second)+16*is_edge(N,second,third)+8*is_edge(N,third,first)
+4*is_edge(N,second,first)+2*is_edge(N,third,second)+is_edge(N,first,third);
index=elm(state_var);
if ((index>0)&&(index<=13))
sub[index]=sub[index]+1;
state_var=32*is_edge2_dbl(N,first,second,s1,t1,s2,t2)+16*is_edge2_dbl(N,second,third,s1,t1,s2,t2)+8*is_edge2(N,third,first,s1,t1,s2,t2)
+4*is_edge2_dbl(N,second,first,s1,t1,s2,t2)+2*is_edge2_dbl(N,third,second,s1,t1,s2,t2)+is_edge2_dbl(N,first,third,s1,t1,s2,t2);
index=elm(state_var);
if ((index>0)&&(index<=13))
add[index]=add[index]+1;
}
}
void operator()( const element& e ) {
Element elm( e.symbol_, e.name_, e.atomicNumber_, e.valence_ );
for ( int i = 0; i < e.isotopeCount_; ++i )
elm.addIsotope( Element::Isotope( e.ma_[i].mass_, e.ma_[i].abund_ ) );
vec_.push_back( elm );
}
virtual void map(int row, int col, double valLeft, double valRight) {
vect.push_back(elm(row, col, (valLeft + valRight) * .5));
}
NS_IMETHODIMP
nsXMLDocument::Load(const nsAString& aUrl, bool *aReturn)
{
bool hasHadScriptObject = true;
nsIScriptGlobalObject* scriptObject =
GetScriptHandlingObject(hasHadScriptObject);
NS_ENSURE_STATE(scriptObject || !hasHadScriptObject);
ReportUseOfDeprecatedMethod(this, "UseOfDOM3LoadMethodWarning");
NS_ENSURE_ARG_POINTER(aReturn);
*aReturn = false;
nsCOMPtr<nsIDocument> callingDoc =
do_QueryInterface(nsContentUtils::GetDocumentFromContext());
nsIURI *baseURI = mDocumentURI;
nsAutoCString charset;
if (callingDoc) {
baseURI = callingDoc->GetDocBaseURI();
charset = callingDoc->GetDocumentCharacterSet();
}
// Create a new URI
nsCOMPtr<nsIURI> uri;
nsresult rv = NS_NewURI(getter_AddRefs(uri), aUrl, charset.get(), baseURI);
if (NS_FAILED(rv)) {
return rv;
}
// Check to see whether the current document is allowed to load this URI.
// It's important to use the current document's principal for this check so
// that we don't end up in a case where code with elevated privileges is
// calling us and changing the principal of this document.
// Enforce same-origin even for chrome loaders to avoid someone accidentally
// using a document that content has a reference to and turn that into a
// chrome document.
nsCOMPtr<nsIPrincipal> principal = NodePrincipal();
if (!nsContentUtils::IsSystemPrincipal(principal)) {
rv = principal->CheckMayLoad(uri, false, false);
NS_ENSURE_SUCCESS(rv, rv);
int16_t shouldLoad = nsIContentPolicy::ACCEPT;
rv = NS_CheckContentLoadPolicy(nsIContentPolicy::TYPE_XMLHTTPREQUEST,
uri,
principal,
callingDoc ? callingDoc.get() :
static_cast<nsIDocument*>(this),
NS_LITERAL_CSTRING("application/xml"),
nullptr,
&shouldLoad,
nsContentUtils::GetContentPolicy(),
nsContentUtils::GetSecurityManager());
NS_ENSURE_SUCCESS(rv, rv);
if (NS_CP_REJECTED(shouldLoad)) {
return NS_ERROR_CONTENT_BLOCKED;
}
} else {
// We're called from chrome, check to make sure the URI we're
// about to load is also chrome.
bool isChrome = false;
if (NS_FAILED(uri->SchemeIs("chrome", &isChrome)) || !isChrome) {
nsAutoCString spec;
if (mDocumentURI)
mDocumentURI->GetSpec(spec);
nsAutoString error;
error.AssignLiteral("Cross site loading using document.load is no "
"longer supported. Use XMLHttpRequest instead.");
nsCOMPtr<nsIScriptError> errorObject =
do_CreateInstance(NS_SCRIPTERROR_CONTRACTID, &rv);
NS_ENSURE_SUCCESS(rv, rv);
rv = errorObject->InitWithWindowID(error,
NS_ConvertUTF8toUTF16(spec),
EmptyString(),
0, 0, nsIScriptError::warningFlag,
"DOM",
callingDoc ?
callingDoc->InnerWindowID() :
this->InnerWindowID());
NS_ENSURE_SUCCESS(rv, rv);
nsCOMPtr<nsIConsoleService> consoleService =
do_GetService(NS_CONSOLESERVICE_CONTRACTID);
if (consoleService) {
consoleService->LogMessage(errorObject);
}
return NS_ERROR_DOM_SECURITY_ERR;
}
}
// Partial Reset, need to restore principal for security reasons and
// event listener manager so that load listeners etc. will
// remain. This should be done before the security check is done to
// ensure that the document is reset even if the new document can't
// be loaded. Note that we need to hold a strong ref to |principal|
// here, because ResetToURI will null out our node principal before
// setting the new one.
nsRefPtr<nsEventListenerManager> elm(mListenerManager);
mListenerManager = nullptr;
// When we are called from JS we can find the load group for the page,
// and add ourselves to it. This way any pending requests
// will be automatically aborted if the user leaves the page.
nsCOMPtr<nsILoadGroup> loadGroup;
if (callingDoc) {
loadGroup = callingDoc->GetDocumentLoadGroup();
}
ResetToURI(uri, loadGroup, principal);
mListenerManager = elm;
// Create a channel
nsCOMPtr<nsIInterfaceRequestor> req = nsContentUtils::GetSameOriginChecker();
NS_ENSURE_TRUE(req, NS_ERROR_OUT_OF_MEMORY);
nsCOMPtr<nsIChannel> channel;
// nsIRequest::LOAD_BACKGROUND prevents throbber from becoming active,
// which in turn keeps STOP button from becoming active
rv = NS_NewChannel(getter_AddRefs(channel), uri, nullptr, loadGroup, req,
nsIRequest::LOAD_BACKGROUND);
if (NS_FAILED(rv)) {
return rv;
}
// StartDocumentLoad asserts that readyState is uninitialized, so
// uninitialize it. SetReadyStateInternal make this transition invisible to
// Web content. But before doing that, assert that the current readyState
// is complete as it should be after the call to ResetToURI() above.
MOZ_ASSERT(GetReadyStateEnum() == nsIDocument::READYSTATE_COMPLETE,
"Bad readyState");
SetReadyStateInternal(nsIDocument::READYSTATE_UNINITIALIZED);
// Prepare for loading the XML document "into oneself"
nsCOMPtr<nsIStreamListener> listener;
if (NS_FAILED(rv = StartDocumentLoad(kLoadAsData, channel,
loadGroup, nullptr,
getter_AddRefs(listener),
false))) {
NS_ERROR("nsXMLDocument::Load: Failed to start the document load.");
return rv;
}
// After this point, if we error out of this method we should clear
// mChannelIsPending.
// Start an asynchronous read of the XML document
rv = channel->AsyncOpen(listener, nullptr);
if (NS_FAILED(rv)) {
mChannelIsPending = false;
return rv;
}
if (!mAsync) {
nsCOMPtr<nsIThread> thread = do_GetCurrentThread();
nsAutoSyncOperation sync(this);
mLoopingForSyncLoad = true;
while (mLoopingForSyncLoad) {
if (!NS_ProcessNextEvent(thread))
break;
}
// We set return to true unless there was a parsing error
nsCOMPtr<nsIDOMNode> node = do_QueryInterface(GetRootElement());
if (node) {
nsAutoString name, ns;
if (NS_SUCCEEDED(node->GetLocalName(name)) &&
name.EqualsLiteral("parsererror") &&
NS_SUCCEEDED(node->GetNamespaceURI(ns)) &&
ns.EqualsLiteral("http://www.mozilla.org/newlayout/xml/parsererror.xml")) {
//return is already false
} else {
*aReturn = true;
}
}
} else {
*aReturn = true;
}
return NS_OK;
}
/** \brief Set up input/output handling.
*
* Sets up the module for input/output handling, based on the options in the configuration file.
*
* \param conf Configuration file instance.
* \return Enum indicating the setup state.
*/
uint8_t Initializer::setUpIO(shared_ptr<Config> conf) {
// Child for managing sensor instances.
shared_ptr<SensorIO> sensors(new SensorIO);
// Get accelerometer options.
i2cDev acc;
uint8_t accType;
conf->getAcc(acc);
conf->getAccType(accType);
cerr << "Initializer: setup acc" << endl;
// Create accelerometer child.
if (accType == T_MPU6050) {
cerr << "Initializer: creating mpu" << endl;
// Create and set up MPU6050.
shared_ptr<MPU6050> mpu6050(new MPU6050(acc.addr, acc.path));
cerr << "Initializer: initializing mpu" << endl;
if (mpu6050->initialize()) {
printErr(INIT_ERR_DEV_SETUP, "imu (mpu6050)");
return INIT_ERR_DEV_SETUP;
}
cerr << "Initializer: adding child" << endl;
// Add child to sensors.
sensors->append(mpu6050);
cerr << "Initializer: acc done" << endl;
} else return INIT_ERR_DEV_UNKNOWN;
// Create gps receiver instance.
uartDev gps;
uint8_t gpsType;
conf->getGPS(gps);
conf->getGPSType(gpsType);
cerr << "Initializer: setup gps" << endl;
// Create gps child.
if (gpsType == T_ADAFRUIT) {
// Create and set up Adafruit receiver.
shared_ptr<GpsAdafruit> adafruit(new GpsAdafruit(gps.path, gps.baud));
if (adafruit->initialize()) {
printErr(INIT_ERR_DEV_SETUP, "gps (adafruit)");
return INIT_ERR_DEV_SETUP;
}
cerr << "Init: GPS adding" << endl;
// Add child to sensors.
sensors->append(adafruit);
} else return INIT_ERR_DEV_UNKNOWN;
// Create obd receiver instance.
uartDev obd;
conf->getOBD(obd);
cerr << "Initializer: obd path is " << obd.path << endl;
// Create and set up obd receiver.
shared_ptr<OBDReader> elm(new OBDReader(obd.path, obd.baud));
if (elm->reset()) {
printErr(INIT_ERR_DEV_SETUP, "obd module");
return INIT_ERR_DEV_SETUP;
} else if (elm->setup()) {
printErr(INIT_ERR_DEV_SETUP, "obd module");
return INIT_ERR_DEV_SETUP;
}
// Add child to sensors.
sensors->append(elm);
this->io.addChild(sensors);
this->io.setSensorIO(sensors);
return INIT_OK;
}
void LUback ( ptrdiff_t first, ptrdiff_t *last, ptrdiff_t n, ptrdiff_t nu,
ptrdiff_t maxmod, double eps,
double *L, double *U, double *y, double *z )
{
/* ------------------------------------------------------------------
LUback updates the factors LC = U by performing a backward sweep
to eliminate all but the 'last' nonzero in the column vector z[*],
stopping at z[first].
If 'last' is positive, LUback searches backwards for a nonzero
element in z and possibly alters 'last' accordingly.
Otherwise, 'last' will be reset to abs(last) and so used.
L is n by n.
U is n by nu.
y[*] will eventually contain a row spike in row 'last' of U.
The 'spike' row of L begins at L[ls].
18 Mar 1990: First version with L and U stored row-wise.
29 Jun 1999: Save w[last] = zlast at end so column replace
can do correct forward sweep.
------------------------------------------------------------------ */
ptrdiff_t i, lz, lu, ll,ls, incu, numu;
double zero = 0.0;
double zlast, cs, sn;
if ((*last) > 0) {
/* Find the last significant element in z[*]. */
for (i = (*last); i>first; i--)
if (fabs(z[i]) > eps) break;
(*last) = i;
}
else
(*last) = abs((*last));
/* Load the 'last' row of U into the end of y
and do the backward sweep. */
zlast = z[(*last)];
lu = ((*last) - 1)*maxmod + (3 - (*last))*(*last)/2;
ll = ((*last) - 1)*maxmod + 1;
ls = ll;
incu = maxmod + 1 - (*last);
numu = nu + 1 - (*last);
if (numu > 0)
LUdcopy ( numu, &U[subvec(lu)], 1, &y[subvec((*last))], 1 );
for (lz = (*last) - 1; lz>=first; lz--) {
ll -= maxmod;
incu++;
lu -= incu;
y[lz] = zero;
/* See if this element of z is worth eliminating.
We compare z[lz] with the current last nonzero, zlast. */
if ( fabs(z[lz]) <= eps * fabs(zlast) ) continue;
/* Generate a 2x2 elimination and apply it to U and L. */
numu = nu + 1 - lz;
elmgen( &zlast, &z[lz], eps , &cs, &sn );
elm ( 1, numu , &y[subvec(lz)], &U[subvec(lu)], cs, sn );
elm ( 1, n , &L[subvec(ls)], &L[subvec(ll)], cs, sn );
}
z[(*last)] = zlast;
/* End of LUback */
}
const T &
operator[](FgVect2UI coord) const
{return elm(coord[0],coord[1]); }
SXADDLQSI::SXADDLQSI() : current( &content)
{
_sxAddl elm(NULL, 0);
current->push_back(elm);
}
