api/sortable-serialise.cc File Reference

Serialise floating point values to string which sort the same way. More...

#include <config.h>
#include <xapian/queryparser.h>
#include <float.h>
#include <math.h>
#include <string>
#include "omassert.h"

Include dependency graph for sortable-serialise.cc:

Go to the source code of this file.

Functions
string	Xapian::sortable_serialise (double value)
	Convert a floating point number to a string, preserving sort order.
static unsigned char	numfromstr (const std::string &str, std::string::size_type pos)
	Get a number from the character at a given position in a string, returning 0 if the string isn't long enough.
double	Xapian::sortable_unserialise (const std::string &value)
	Convert a string encoded using sortable_serialise back to a floating point number.

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Detailed Description

Serialise floating point values to string which sort the same way.

Definition in file sortable-serialise.cc.

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Function Documentation

static unsigned char numfromstr	(	const std::string &	str,
		std::string::size_type	pos
	)			[inline, static]

Get a number from the character at a given position in a string, returning 0 if the string isn't long enough.

Definition at line 170 of file sortable-serialise.cc.

Referenced by Xapian::sortable_unserialise().

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