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RboxPoints.cpp
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Sun, Nov 10, 09:30

RboxPoints.cpp
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/****************************************************************************
**
** Copyright (c) 2008-2011 C.B. Barber. All rights reserved.
** $Id: //main/2011/qhull/src/libqhullcpp/RboxPoints.cpp#2 $$Change: 1342 $
** $DateTime: 2011/03/07 21:55:47 $$Author: bbarber $
**
****************************************************************************/
#include "QhullError.h"
#include "RboxPoints.h"
#include <iostream>
using std::cerr;
using std::endl;
using std::istream;
using std::ostream;
using std::ostringstream;
using std::string;
using std::vector;
using std::ws;
#ifdef _MSC_VER // Microsoft Visual C++ -- warning level 4
#pragma warning( disable : 4996) // function was declared deprecated(strcpy, localtime, etc.)
#endif
namespace orgQhull {
#//! RboxPoints -- generate random PointCoordinates for qhull (rbox)
#//Global
//! pointer to RboxPoints for qh_fprintf callback
RboxPoints *rbox_output= 0;
#//Construct
RboxPoints::
RboxPoints()
: PointCoordinates("rbox")
, rbox_new_count(0)
, rbox_status(qh_ERRnone)
, rbox_message()
{}
RboxPoints::
RboxPoints(const char *rboxCommand)
: PointCoordinates("rbox")
, rbox_new_count(0)
, rbox_status(qh_ERRnone)
, rbox_message()
{
appendPoints(rboxCommand);
}
RboxPoints::
RboxPoints(const RboxPoints &other)
: PointCoordinates(other)
, rbox_new_count(0)
, rbox_status(other.rbox_status)
, rbox_message(other.rbox_message)
{}
RboxPoints & RboxPoints::
operator=(const RboxPoints &other)
{
PointCoordinates::operator=(other);
rbox_new_count= other.rbox_new_count;
rbox_status= other.rbox_status;
rbox_message= other.rbox_message;
return *this;
}//operator=
RboxPoints::
~RboxPoints()
{}
#//Error
void RboxPoints::
clearRboxMessage()
{
rbox_status= qh_ERRnone;
rbox_message.clear();
}//clearRboxMessage
std::string RboxPoints::
rboxMessage() const
{
if(rbox_status!=qh_ERRnone){
return rbox_message;
}
if(isEmpty()){
return "rbox warning: no points generated\n";
}
return "rbox: OK\n";
}//rboxMessage
int RboxPoints::
rboxStatus() const
{
return rbox_status;
}
bool RboxPoints::
hasRboxMessage() const
{
return (rbox_status!=qh_ERRnone);
}
#//Modify
void RboxPoints::
appendPoints(const char *rboxCommand)
{
string s("rbox ");
s += rboxCommand;
char *command= const_cast<char*>(s.c_str());
if(rbox_output){
throw QhullError(10001, "Qhull error: Two simultaneous calls to RboxPoints::appendPoints(). Prevent two processes calling appendPoints() at the same time. Other RboxPoints '%s'", 0, 0, 0, rbox_output->comment().c_str());
}
if(extraCoordinatesCount()!=0){
throw QhullError(10067, "Qhull error: Extra coordinates (%d) prior to calling RboxPoints::appendPoints. Was %s", extraCoordinatesCount(), 0, 0.0, comment().c_str());
}
int previousCount= count();
rbox_output= this; // set rbox_output for qh_fprintf()
int status= ::qh_rboxpoints(0, 0, command);
rbox_output= 0;
if(rbox_status==qh_ERRnone){
rbox_status= status;
}
if(rbox_status!=qh_ERRnone){
throw QhullError(rbox_status, rbox_message);
}
if(extraCoordinatesCount()!=0){
throw QhullError(10002, "Qhull error: extra coordinates (%d) for PointCoordinates (%x)", extraCoordinatesCount(), 0, 0.0, coordinates());
}
if(previousCount+newCount()!=count()){
throw QhullError(10068, "Qhull error: rbox specified %d points but got %d points for command '%s'", newCount(), count()-previousCount, 0.0, comment().c_str());
}
}//appendPoints
}//namespace orgQhull
#//Global functions
/*-<a href="qh-user.htm#TOC"
>-------------------------------</a><a name="qh_fprintf_rbox">-</a>
qh_fprintf_rbox(fp, msgcode, format, list of args )
fp is ignored (replaces qh_fprintf_rbox() in userprintf.c)
rbox_output == RboxPoints
notes:
only called from qh_rboxpoints()
same as fprintf() and Qhull::qh_fprintf()
fgets() is not trapped like fprintf()
Do not throw errors from here. Use qh_errexit_rbox;
*/
extern "C"
void qh_fprintf_rbox(FILE*, int msgcode, const char *fmt, ... ) {
va_list args;
using namespace orgQhull;
RboxPoints *out= rbox_output;
va_start(args, fmt);
if(msgcode<MSG_OUTPUT){
char newMessage[MSG_MAXLEN];
// RoadError provides the message tag
vsnprintf(newMessage, sizeof(newMessage), fmt, args);
out->rbox_message += newMessage;
if(out->rbox_status<MSG_ERROR || out->rbox_status>=MSG_STDERR){
out->rbox_status= msgcode;
}
va_end(args);
return;
}
switch(msgcode){
case 9391:
case 9392:
out->rbox_message += "RboxPoints error: options 'h', 'n' not supported.\n";
qh_errexit_rbox(10010);
/* never returns */
case 9393:
{
int dimension= va_arg(args, int);
string command(va_arg(args, char*));
int count= va_arg(args, int);
out->setDimension(dimension);
out->appendComment(" \"");
out->appendComment(command.substr(command.find(' ')+1));
out->appendComment("\"");
out->setNewCount(count);
out->reservePoints();
}
break;
case 9407:
*out << va_arg(args, int);
// fall through
case 9405:
*out << va_arg(args, int);
// fall through
case 9403:
*out << va_arg(args, int);
break;
case 9408:
*out << va_arg(args, double);
// fall through
case 9406:
*out << va_arg(args, double);
// fall through
case 9404:
*out << va_arg(args, double);
break;
}
va_end(args);
} /* qh_fprintf_rbox */

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