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10c1169d98
git-svn-id: https://tesseract-ocr.googlecode.com/svn/trunk@860 d0cd1f9f-072b-0410-8dd7-cf729c803f20
79 lines
2.2 KiB
C++
79 lines
2.2 KiB
C++
/**********************************************************************
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* File: sortflts.cpp (Formerly sfloats.c)
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* Description: Code to maintain a sorted list of floats.
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* Author: Ray Smith
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* Created: Mon Oct 4 16:15:40 BST 1993
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*
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* (C) Copyright 1993, Hewlett-Packard Ltd.
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** Licensed under the Apache License, Version 2.0 (the "License");
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** you may not use this file except in compliance with the License.
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** You may obtain a copy of the License at
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** http://www.apache.org/licenses/LICENSE-2.0
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** Unless required by applicable law or agreed to in writing, software
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** distributed under the License is distributed on an "AS IS" BASIS,
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** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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** See the License for the specific language governing permissions and
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** limitations under the License.
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*
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**********************************************************************/
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#include "sortflts.h"
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ELISTIZE (SORTED_FLOAT)
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/**
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* @name SORTED_FLOATS::add
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*
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* Add a new entry to the sorted lsit of floats.
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*/
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void SORTED_FLOATS::add( //add new entry
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float value,
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inT32 key) {
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SORTED_FLOAT *new_float = new SORTED_FLOAT (value, key);
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if (list.empty ())
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it.add_after_stay_put (new_float);
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else {
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it.move_to_first ();
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while (!it.at_last () && it.data ()->entry < value)
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it.forward ();
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if (it.data ()->entry < value)
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it.add_after_stay_put (new_float);
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else
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it.add_before_stay_put (new_float);
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}
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}
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/**
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* @name SORTED_FLOATS::remove
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*
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* Remove an entry from the sorted lsit of floats.
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*/
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void SORTED_FLOATS::remove( //remove the entry
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inT32 key) {
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if (!list.empty ()) {
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for (it.mark_cycle_pt (); !it.cycled_list (); it.forward ()) {
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if (it.data ()->address == key) {
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delete it.extract ();
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return;
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}
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}
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}
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}
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/**
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* @name SORTED_FLOATS::operator[]
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*
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* Return the floating point value of the given index into the list.
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*/
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float
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SORTED_FLOATS::operator[] ( //get an entry
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inT32 index //to list
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) {
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it.move_to_first ();
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return it.data_relative (index)->entry;
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}
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