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/* ** Copyright UCAR (c) 1990 - 2016                                         */
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/* ** National Center for Atmospheric Research (NCAR)                        */
/* ** Boulder, Colorado, USA                                                 */
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/* *=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=* */
#include <string.h>
#include "metar_private.h"

/********************************************************************/
/*                                                                  */
/*  Title:         fracPart                                         */
/*  Organization:  W/OSO242 - GRAPHICS AND DISPLAY SECTION          */
/*  Date:          13 Jun 1995                                      */
/*  Programmer:    CARL MCCALLA                                     */
/*  Language:      C/370                                            */
/*                                                                  */
/*  Abstract:      Convert a character string fraction into a       */
/*                 decimal (floating point) number.                 */
/*                                                                  */
/*  External Functions Called:                                      */
/*                 None.                                            */
/*                                                                  */
/*  Input:         string - a pointer to a character string frac-   */
/*                          tion.                                   */
/*  Output:        A decimal (floating point) number.               */
/*                                                                  */
/*  Modification History:                                           */
/*                 None.                                            */
/*                                                                  */
/********************************************************************/
 
float fracPart( char *string )
{
 
   /***************************/
   /* DECLARE LOCAL VARIABLES */
   /***************************/
 
   char buf[ 6 ],
        *slash;
 
   float numerator,
         denominator;
 
   /*************************/
   /* START BODY OF ROUTINE */
   /*************************/
 
   slash = strchr(string, '/');
 
   memset(buf , '\0', 6);
   strncpy( buf, string, slash-string);
 
   numerator = (float) atoi(buf);
 
   memset(buf , '\0', 6);
   strcpy( buf, slash+1);
 
   denominator = (float) atoi(buf);
 
   return (numerator/denominator);
 
}