refactor dms conversions

[andy/viking.git] / src / degrees_converters.c

#include <math.h>
#include <glib.h>

#include <stdio.h>

/**
 * @param pos_c char for positive value
 * @param neg_c char for negative value
 */
static gchar *convert_dec_to_dms(gdouble dec, gchar pos_c, gchar neg_c)
{
  gdouble tmp;
  gchar sign_c = ' ';
  gint val_d, val_m;
  gdouble val_s;
  gchar *result = NULL;

  /* North ? South ? */
  if ( dec > 0 )
    sign_c = pos_c;
  else if ( dec < 0 )
    sign_c = neg_c;
  else /* Nul value */
    sign_c = ' ';

  /* Degree */
  tmp = fabs(dec);
  val_d = (gint)tmp;

  /* Minutes */
  tmp = (tmp - val_d) * 60;
  val_m = (gint)tmp;

  /* Minutes */
  val_s = (tmp - val_m) * 60;

  /* Format */