Files
obitools3/src/obidmscolumn_float.c
2015-09-01 17:38:08 +02:00

124 lines
3.4 KiB
C

/****************************************************************************
* OBIDMS_column_float functions *
****************************************************************************/
/**
* @file obidsmcolumn_float.c
* @author Celine Mercier
* @date August 10th 2015
* @brief Functions handling OBIColumns containing data with the OBIType OBI_FLOAT.
*/
#include <stdlib.h>
#include <stdio.h>
#include "obidmscolumn.h"
#include "obitypes.h"
#include "obierrno.h"
#include "obidebug.h"
#define DEBUG_LEVEL 0
/**********************************************************************
*
* D E F I N I T I O N O F T H E P U B L I C F U N C T I O N S
*
**********************************************************************/
int obi_column_set_obifloat_with_elt_idx(OBIDMS_column_p column, size_t line_nb, size_t element_idx, obifloat_t value)
{
// Check that the line number is not greater than the maximum allowed
if (line_nb >= MAXIMUM_LINE_COUNT)
{
obi_set_errno(OBICOL_UNKNOWN_ERROR);
obidebug(1, "\nError trying to set a value at a line number greater than the maximum allowed");
return -1;
}
// Check if the file needs to be enlarged
while ((line_nb+1) > (column->header)->line_count)
{
// Enlarge the file
if (obi_enlarge_column(column) < 0)
return -1;
}
// Update lines used
if ((line_nb+1) > (column->header)->lines_used)
(column->header)->lines_used = line_nb+1;
// Set the value
*(((obifloat_t*) (column->data)) + (line_nb * ((column->header)->nb_elements_per_line)) + element_idx) = value;
return 0;
}
obifloat_t obi_column_get_obifloat_with_elt_idx(OBIDMS_column_p column, size_t line_nb, size_t element_idx)
{
if ((line_nb+1) > (column->header)->line_count)
{
obidebug(1, "\nError trying to get a value that is beyond the current line count");
return -1; // TODO return NA value?
}
return *(((obifloat_t*) (column->data)) + (line_nb * ((column->header)->nb_elements_per_line)) + element_idx);
}
int obi_column_set_obifloat_with_elt_name(OBIDMS_column_p column, size_t line_nb, char* element_name, obifloat_t value)
{
size_t element_idx;
if (!strcmp(element_name, "\0")) // element name is empty
{
if (obi_column_get_nb_elements_per_line(column) == 1) // check that there is only one element per line
element_idx = 0;
else // there is more than one element per line
{
obi_set_errno(OBICOL_UNKNOWN_ERROR);
obidebug(1, "\nAn element name must be specified");
return -1;
}
}
else
{
element_idx = obi_column_get_element_index_from_name(column, element_name);
if (element_idx == -1)
return -1;
}
obi_column_set_obifloat_with_elt_idx(column, line_nb, element_idx, value);
return 0;
}
obifloat_t obi_column_get_obifloat_with_elt_name(OBIDMS_column_p column, size_t line_nb, char* element_name)
{
size_t element_idx;
if (!strcmp(element_name, "\0")) // element name is empty
{
if (obi_column_get_nb_elements_per_line(column) == 1) // check that there is only one element per line
element_idx = 0;
else // there is more than one element per line
{
obi_set_errno(OBICOL_UNKNOWN_ERROR);
obidebug(1, "\nAn element name must be specified");
return -1;
}
}
else
{
element_idx = obi_column_get_element_index_from_name(column, element_name);
if (element_idx == -1)
return -1;
}
return obi_column_get_obifloat_with_elt_idx(column, line_nb, element_idx);
}