GFitsTableFltCol.cpp
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/***************************************************************************
* GFitsTableFltCol.cpp - FITS table float column class *
* ----------------------------------------------------------------------- *
* copyright : (C) 2008 by Jurgen Knodlseder *
* ----------------------------------------------------------------------- *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* ----------------------------------------------------------------------- *
***************************************************************************/
/* __ Includes ___________________________________________________________ */
#include "GException.hpp"
#include "GFitsTableFltCol.hpp"
#include <iostream> // cout, cerr
/* __ Namespaces _________________________________________________________ */
/* __ Method name definitions ____________________________________________ */
#define G_STRING "GFitsTableFltCol::string(const int&, const int&)"
#define G_REAL "GFitsTableFltCol::real(const int&, const int&)"
#define G_INTEGER "GFitsTableFltCol::integer(const int&, const int&)"
#define G_PTR_FLOAT "GFitsTableFltCol::ptr_float()"
#define G_PTR_DOUBLE "GFitsTableFltCol::ptr_double()"
#define G_PTR_SHORT "GFitsTableFltCol::ptr_short()"
#define G_PTR_LONG "GFitsTableFltCol::ptr_long()"
#define G_PTR_INT "GFitsTableFltCol::ptr_int()"
#define G_LOAD "GFitsTableFltCol::load()"
/* __ Macros _____________________________________________________________ */
/* __ Coding definitions _________________________________________________ */
/* __ Debug definitions __________________________________________________ */
/*==========================================================================
= =
= GFitsTableFltCol constructors/destructors =
= =
==========================================================================*/
/***************************************************************************
* Constructor *
* ----------------------------------------------------------------------- *
***************************************************************************/
GFitsTableFltCol::GFitsTableFltCol() : GFitsTableCol()
{
// Initialise class members for clean destruction
init_members();
// Return
return;
}
/***************************************************************************
* Copy constructor *
* ----------------------------------------------------------------------- *
***************************************************************************/
GFitsTableFltCol::GFitsTableFltCol(const GFitsTableFltCol& column) : GFitsTableCol(column)
{
// Initialise class members for clean destruction
init_members();
// Copy members
copy_members(column);
// Return
return;
}
/***************************************************************************
* Destructor *
* ----------------------------------------------------------------------- *
***************************************************************************/
GFitsTableFltCol::~GFitsTableFltCol()
{
// Free members
free_members();
// Return
return;
}
/*==========================================================================
= =
= GFitsTableFltCol operators =
= =
==========================================================================*/
/***************************************************************************
* Assignment operator *
* ----------------------------------------------------------------------- *
***************************************************************************/
GFitsTableFltCol& GFitsTableFltCol::operator= (const GFitsTableFltCol& column)
{
// Execute only if object is not identical
if (this != &column) {
// Copy base class members
this->GFitsTableCol::operator=(column);
// Free members
free_members();
// Initialise private members for clean destruction
init_members();
// Copy members
copy_members(column);
} // endif: object was not identical
// Return this object
return *this;
}
/*==========================================================================
= =
= GFitsTableFltCol public methods =
= =
==========================================================================*/
/***************************************************************************
* Get string value *
* ----------------------------------------------------------------------- *
***************************************************************************/
std::string GFitsTableFltCol::string(const int& row, const int& col)
{
// Make sure that data are loaded
if (m_data == NULL)
load();
// Check row value
if (row < 0 || row >= m_length)
throw GException::out_of_range(G_STRING, row, 0, m_length-1);
// Check col value
if (col < 0 || col >= m_repeat)
throw GException::out_of_range(G_STRING, col, 0, m_repeat-1);
// Get index
int inx = row * m_repeat + col;
// Convert double into string
ostringstream s_value;
s_value << scientific << m_data[inx];
// Return value
return s_value.str();
}
/***************************************************************************
* Get real value *
* ----------------------------------------------------------------------- *
***************************************************************************/
double GFitsTableFltCol::real(const int& row, const int& col)
{
// Make sure that data are loaded
if (m_data == NULL)
load();
// Check row value
if (row < 0 || row >= m_length)
throw GException::out_of_range(G_REAL, row, 0, m_length-1);
// Check col value
if (col < 0 || col >= m_repeat)
throw GException::out_of_range(G_REAL, col, 0, m_repeat-1);
// Get index
int inx = row * m_repeat + col;
// Convert float into double
double value = (double)m_data[inx];
// Return value
return value;
}
/***************************************************************************
* Get int value *
* ----------------------------------------------------------------------- *
***************************************************************************/
int GFitsTableFltCol::integer(const int& row, const int& col)
{
// Make sure that data are loaded
if (m_data == NULL)
load();
// Check row value
if (row < 0 || row >= m_length)
throw GException::out_of_range(G_INTEGER, row, 0, m_length-1);
// Check col value
if (col < 0 || col >= m_repeat)
throw GException::out_of_range(G_INTEGER, col, 0, m_repeat-1);
// Get index
int inx = row * m_repeat + col;
// Convert float into int
int value = (int)m_data[inx];
// Return value
return value;
}
/***************************************************************************
* Access to invalid data pointers *
* ----------------------------------------------------------------------- *
***************************************************************************/
double* GFitsTableFltCol::ptr_double(void)
{
throw GException::fits_invalid_type(G_PTR_DOUBLE,
"No <double> pointer allowed to <float> array");
}
short* GFitsTableFltCol::ptr_short(void)
{
throw GException::fits_invalid_type(G_PTR_SHORT,
"No <short> pointer allowed to <float> array");
}
long* GFitsTableFltCol::ptr_long(void)
{
throw GException::fits_invalid_type(G_PTR_LONG,
"No <long> pointer allowed to <float> array");
}
int* GFitsTableFltCol::ptr_int(void)
{
throw GException::fits_invalid_type(G_PTR_INT,
"No <int> pointer allowed to <float> array");
}
/***************************************************************************
* Set NULL string *
* ----------------------------------------------------------------------- *
***************************************************************************/
void GFitsTableFltCol::set_nullval(const float* value)
{
// If NULL value is empty then reset the NULL value
if (value == NULL) {
if (m_nulval != NULL) delete m_nulval;
m_nulval = NULL;
}
// ... otherwise copy value into NULL value
else {
if (m_nulval != NULL) delete m_nulval;
m_nulval = new float;
*m_nulval = *value;
}
// Re-load column
// NOTE: THIS WILL LEAD TO A LOSS OF MODIFICATIONS; ISSUE SAVE BEFORE !!!
if (m_data != NULL) {
//save();
load();
}
// Return
return;
}
/*==========================================================================
= =
= GFitsTableFltCol private methods =
= =
==========================================================================*/
/***************************************************************************
* Initialise class members *
* ----------------------------------------------------------------------- *
***************************************************************************/
void GFitsTableFltCol::init_members(void)
{
// Initialise members
m_size = 0;
m_anynul = 0;
m_data = NULL;
m_nulval = NULL;
// Return
return;
}
/***************************************************************************
* Copy class members *
* ----------------------------------------------------------------------- *
***************************************************************************/
void GFitsTableFltCol::copy_members(const GFitsTableFltCol& column)
{
// Copy attributes
m_size = column.m_size;
m_anynul = column.m_anynul;
// Copy column data
if (column.m_data != NULL && m_size > 0) {
if (m_data != NULL) delete [] m_data;
m_data = new float[m_size];
memcpy(m_data, column.m_data, m_size*sizeof(float));
}
// Copy NULL value
if (column.m_nulval != NULL) {
if (m_nulval != NULL) delete m_nulval;
m_nulval = new float;
*m_nulval = *column.m_nulval;
}
// Return
return;
}
/***************************************************************************
* Delete class members *
* ----------------------------------------------------------------------- *
***************************************************************************/
void GFitsTableFltCol::free_members(void)
{
// Free memory
if (m_data != NULL) delete [] m_data;
if (m_nulval != NULL) delete m_nulval;
// Mark memory as freed
m_data = NULL;
m_nulval = NULL;
// Return
return;
}
/***************************************************************************
* Load column data *
* ----------------------------------------------------------------------- *
***************************************************************************/
void GFitsTableFltCol::load(void)
{
// Calculate size of memory
m_size = m_repeat * m_length;
// Allocate memory
if (m_data != NULL) delete [] m_data;
m_data = new float[m_size];
// Load column data
int status = 0;
status = __ffmahd(&m_fitsfile, (m_fitsfile.HDUposition)+1, NULL, &status);
status = __ffgcv(&m_fitsfile, __TFLOAT, m_colnum, 1, 1, m_size,
m_nulval, m_data, &m_anynul, &status);
if (status != 0)
throw GException::fits_error(G_LOAD, status);
// Return
return;
}
/*==========================================================================
= =
= GFitsTableFltCol friends =
= =
==========================================================================*/
/*==========================================================================
= =
= Other functions used by GFitsTableFltCol =
= =
==========================================================================*/