double CPLAtofM( const char *nptr )
{
const int nMaxSearch = 50;
for( int i = 0; i < nMaxSearch; i++ )
{
if( nptr[i] == ',' )
return CPLStrtodDelim( nptr, NULL, ',' );
if( nptr[i] == '.' || nptr[i] == '\0' )
return CPLStrtodDelim( nptr, NULL, '.' );
}
return CPLStrtodDelim( nptr, NULL, '.' );
}
/**
* Converts ASCII string to floating point number using specified delimiter.
*
* This function converts the initial portion of the string pointed to
* by nptr to single floating point representation. This function does the
* same as standard strtof(3), but does not take locale in account. Instead of
* locale defined decimal delimiter you can specify your own one. Also see
* notes for CPLAtof() function.
*
* @param nptr Pointer to string to convert.
* @param endptr If is not NULL, a pointer to the character after the last
* character used in the conversion is stored in the location referenced
* by endptr.
* @param point Decimal delimiter.
*
* @return Converted value, if any.
*/
float CPLStrtofDelim(const char *nptr, char **endptr, char point)
{
#if defined(HAVE_STRTOF)
/* -------------------------------------------------------------------- */
/* We are implementing a simple method here: copy the input string */
/* into the temporary buffer, replace the specified decimal delimiter */
/* with the one, taken from locale settings and use standard strtof() */
/* on that buffer. */
/* -------------------------------------------------------------------- */
double dfValue;
int nError;
char* pszNumber = CPLReplacePointByLocalePoint(nptr, point);
dfValue = strtof( pszNumber, endptr );
nError = errno;
if ( endptr )
*endptr = (char *)nptr + (*endptr - pszNumber);
if (pszNumber != (char*) nptr)
CPLFree( pszNumber );
errno = nError;
return dfValue;
#else
return (float)CPLStrtodDelim(nptr, endptr, point);
#endif /* HAVE_STRTOF */
}
double CPLAtofM( const char *nptr )
{
int i;
const static int nMaxSearch = 50;
for( i = 0; i < nMaxSearch; i++ )
{
if( nptr[i] == ',' )
return CPLStrtodDelim( nptr, 0, ',' );
else if( nptr[i] == '.' || nptr[i] == '\0' )
return CPLStrtodDelim( nptr, 0, '.' );
}
return CPLStrtodDelim( nptr, 0, '.' );
}
/**
* Converts ASCII string to floating point number.
*
* This function converts the initial portion of the string pointed to
* by nptr to double floating point representation. The behaviour is the
* same as
*
* CPLStrtodDelim(nptr, (char **)NULL, point);
*
* This function does the same as standard atof(3), but does not take locale
* in account. Instead of locale defined decimal delimiter you can specify
* your own one. Also see notes for CPLAtof() function.
*
* @param nptr Pointer to string to convert.
* @param point Decimal delimiter.
*
* @return Converted value, if any.
*/
double CPLAtofDelim(const char *nptr, char point)
{
return CPLStrtodDelim(nptr, 0, point);
}
/**
* Converts ASCII string to floating point number.
*
* This function converts the initial portion of the string pointed to
* by nptr to double floating point representation. This function does the
* same as standard strtod(3), but does not take locale in account. That
* means, the decimal delimiter is always '.' (decimal point). Use
* CPLStrtodDelim() function if you want to specify custom delimiter. Also
* see notes for CPLAtof() function.
*
* @param nptr Pointer to string to convert.
* @param endptr If is not NULL, a pointer to the character after the last
* character used in the conversion is stored in the location referenced
* by endptr.
*
* @return Converted value, if any.
*/
double CPLStrtod(const char *nptr, char **endptr)
{
return CPLStrtodDelim(nptr, endptr, '.');
}