bool
Routing_Slip_Queue::dispatch_one (Guard & guard)
{
bool ok = false;
Routing_Slip_Ptr routing_slip;
if (this->queue_.dequeue_head (routing_slip) == 0)
{
++this->active_;
guard.release ();
routing_slip->at_front_of_persist_queue ();
guard.acquire ();
}
return ok;
}
bool handle_args(EnvT* e)
{
//T3D?
static int t3dIx = e->KeywordIx( "T3D");
doT3d=(e->KeywordSet(t3dIx)|| T3Denabled());
//note: Z (VALUE) will be used uniquely if Z is not effectively defined.
static int zvIx = e->KeywordIx( "ZVALUE");
zValue=0.0;
e->AssureDoubleScalarKWIfPresent ( zvIx, zValue );
zValue=min(zValue,0.999999); //to avoid problems with plplot
zValue=max(zValue,0.0);
// system variable !P.NSUM first
DLong nsum=(*static_cast<DLongGDL*>(SysVar::P()-> GetTag(SysVar::P()->Desc()->TagIndex("NSUM"), 0)))[0];
static int NSUMIx = e->KeywordIx( "NSUM");
e->AssureLongScalarKWIfPresent( NSUMIx, nsum);
static int polarIx = e->KeywordIx( "POLAR");
bool polar = (e->KeywordSet(polarIx));
// DDoubleGDL *yValBis, *xValBis;
// Guard<BaseGDL> xvalBis_guard, yvalBis_guard;
//test and transform eventually if POLAR and/or NSUM!
if( nParam() == 1)
{
yTemp = e->GetParAs< DDoubleGDL>( 0);
if (yTemp->Rank() == 0)
e->Throw("Expression must be an array in this context: "+e->GetParString(0));
yEl=yTemp->N_Elements();
xEl=yEl;
xTemp = new DDoubleGDL( dimension( xEl), BaseGDL::INDGEN);
xtemp_guard.Reset( xTemp); // delete upon exit
}
else
{
xTemp = e->GetParAs< DDoubleGDL>( 0);
if (xTemp->Rank() == 0)
e->Throw("Expression must be an array in this context: "+e->GetParString(0));
xEl=xTemp->N_Elements();
yTemp = e->GetParAs< DDoubleGDL>( 1);
if (yTemp->Rank() == 0)
e->Throw("Expression must be an array in this context: "+e->GetParString(1));
yEl=yTemp->N_Elements();
//silently drop unmatched values
if (yEl != xEl)
{
SizeT size;
size = min(xEl, yEl);
xEl = size;
yEl = size;
}
}
//check nsum validity
nsum=max(1,nsum);
nsum=min(nsum,(DLong)xEl);
if (nsum == 1)
{
if (polar)
{
xVal = new DDoubleGDL(dimension(xEl), BaseGDL::NOZERO);
xval_guard.Reset(xVal); // delete upon exit
yVal = new DDoubleGDL(dimension(yEl), BaseGDL::NOZERO);
yval_guard.Reset(yVal); // delete upon exit
for (int i = 0; i < xEl; i++) (*xVal)[i] = (*xTemp)[i] * cos((*yTemp)[i]);
for (int i = 0; i < yEl; i++) (*yVal)[i] = (*xTemp)[i] * sin((*yTemp)[i]);
}
else
{ //careful about previously set autopointers!
if (nParam() == 1) xval_guard.Init( xtemp_guard.release());
xVal = xTemp;
yVal = yTemp;
}
}
else
{
int i, j, k;
DLong size = (DLong)xEl / nsum;
xVal = new DDoubleGDL(size, BaseGDL::ZERO); //SHOULD BE ZERO, IS NOT!
xval_guard.Reset(xVal); // delete upon exit
yVal = new DDoubleGDL(size, BaseGDL::ZERO); //IDEM
yval_guard.Reset(yVal); // delete upon exit
for (i = 0, k = 0; i < size; i++)
{
(*xVal)[i] = 0.0;
(*yVal)[i] = 0.0;
for (j = 0; j < nsum; j++, k++)
{
(*xVal)[i] += (*xTemp)[k];
(*yVal)[i] += (*yTemp)[k];
}
}
for (i = 0; i < size; i++) (*xVal)[i] /= nsum;
for (i = 0; i < size; i++) (*yVal)[i] /= nsum;
if (polar)
{
DDouble x, y;
for (i = 0; i < size; i++)
{
x = (*xVal)[i] * cos((*yVal)[i]);
y = (*xVal)[i] * sin((*yVal)[i]);
(*xVal)[i] = x;
(*yVal)[i] = y;
}
}
}
return false;
}
