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301 lines
10 KiB
301 lines
10 KiB
/* |
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* Copyright (c) 1999-2000 Image Power, Inc. and the University of |
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* British Columbia. |
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* Copyright (c) 2001-2002 Michael David Adams. |
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* All rights reserved. |
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*/ |
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/* __START_OF_JASPER_LICENSE__ |
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* |
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* JasPer License Version 2.0 |
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* |
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* Copyright (c) 2001-2006 Michael David Adams |
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* Copyright (c) 1999-2000 Image Power, Inc. |
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* Copyright (c) 1999-2000 The University of British Columbia |
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* |
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* All rights reserved. |
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* |
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* Permission is hereby granted, free of charge, to any person (the |
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* "User") obtaining a copy of this software and associated documentation |
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* files (the "Software"), to deal in the Software without restriction, |
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* including without limitation the rights to use, copy, modify, merge, |
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* publish, distribute, and/or sell copies of the Software, and to permit |
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* persons to whom the Software is furnished to do so, subject to the |
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* following conditions: |
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* |
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* 1. The above copyright notices and this permission notice (which |
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* includes the disclaimer below) shall be included in all copies or |
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* substantial portions of the Software. |
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* |
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* 2. The name of a copyright holder shall not be used to endorse or |
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* promote products derived from the Software without specific prior |
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* written permission. |
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* |
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* THIS DISCLAIMER OF WARRANTY CONSTITUTES AN ESSENTIAL PART OF THIS |
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* LICENSE. NO USE OF THE SOFTWARE IS AUTHORIZED HEREUNDER EXCEPT UNDER |
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* THIS DISCLAIMER. THE SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS |
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* "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING |
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* BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A |
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* PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. IN NO |
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* EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL |
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* INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING |
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* FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, |
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* NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION |
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* WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. NO ASSURANCES ARE |
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* PROVIDED BY THE COPYRIGHT HOLDERS THAT THE SOFTWARE DOES NOT INFRINGE |
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* THE PATENT OR OTHER INTELLECTUAL PROPERTY RIGHTS OF ANY OTHER ENTITY. |
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* EACH COPYRIGHT HOLDER DISCLAIMS ANY LIABILITY TO THE USER FOR CLAIMS |
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* BROUGHT BY ANY OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL |
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* PROPERTY RIGHTS OR OTHERWISE. AS A CONDITION TO EXERCISING THE RIGHTS |
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* GRANTED HEREUNDER, EACH USER HEREBY ASSUMES SOLE RESPONSIBILITY TO SECURE |
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* ANY OTHER INTELLECTUAL PROPERTY RIGHTS NEEDED, IF ANY. THE SOFTWARE |
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* IS NOT FAULT-TOLERANT AND IS NOT INTENDED FOR USE IN MISSION-CRITICAL |
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* SYSTEMS, SUCH AS THOSE USED IN THE OPERATION OF NUCLEAR FACILITIES, |
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* AIRCRAFT NAVIGATION OR COMMUNICATION SYSTEMS, AIR TRAFFIC CONTROL |
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* SYSTEMS, DIRECT LIFE SUPPORT MACHINES, OR WEAPONS SYSTEMS, IN WHICH |
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* THE FAILURE OF THE SOFTWARE OR SYSTEM COULD LEAD DIRECTLY TO DEATH, |
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* PERSONAL INJURY, OR SEVERE PHYSICAL OR ENVIRONMENTAL DAMAGE ("HIGH |
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* RISK ACTIVITIES"). THE COPYRIGHT HOLDERS SPECIFICALLY DISCLAIM ANY |
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* EXPRESS OR IMPLIED WARRANTY OF FITNESS FOR HIGH RISK ACTIVITIES. |
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* |
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* __END_OF_JASPER_LICENSE__ |
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*/ |
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/* |
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* Sequence/Matrix Library |
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* |
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* $Id: jas_seq.h,v 1.2 2008-05-26 09:41:51 vp153 Exp $ |
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*/ |
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#ifndef JAS_SEQ_H |
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#define JAS_SEQ_H |
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/******************************************************************************\ |
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* Includes. |
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\******************************************************************************/ |
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#include <jasper/jas_config.h> |
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#include <jasper/jas_stream.h> |
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#include <jasper/jas_types.h> |
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#ifdef __cplusplus |
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extern "C" { |
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#endif |
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/******************************************************************************\ |
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* Constants. |
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\******************************************************************************/ |
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/* This matrix is a reference to another matrix. */ |
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#define JAS_MATRIX_REF 0x0001 |
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/******************************************************************************\ |
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* Types. |
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\******************************************************************************/ |
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/* An element in a sequence. */ |
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typedef int_fast32_t jas_seqent_t; |
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/* An element in a matrix. */ |
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typedef int_fast32_t jas_matent_t; |
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/* Matrix. */ |
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typedef struct { |
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/* Additional state information. */ |
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int flags_; |
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/* The starting horizontal index. */ |
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int_fast32_t xstart_; |
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/* The starting vertical index. */ |
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int_fast32_t ystart_; |
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/* The ending horizontal index. */ |
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int_fast32_t xend_; |
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/* The ending vertical index. */ |
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int_fast32_t yend_; |
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/* The number of rows in the matrix. */ |
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int_fast32_t numrows_; |
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/* The number of columns in the matrix. */ |
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int_fast32_t numcols_; |
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/* Pointers to the start of each row. */ |
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jas_seqent_t **rows_; |
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/* The allocated size of the rows array. */ |
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int_fast32_t maxrows_; |
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/* The matrix data buffer. */ |
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jas_seqent_t *data_; |
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/* The allocated size of the data array. */ |
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int_fast32_t datasize_; |
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} jas_matrix_t; |
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typedef jas_matrix_t jas_seq2d_t; |
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typedef jas_matrix_t jas_seq_t; |
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/******************************************************************************\ |
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* Functions/macros for matrix class. |
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\******************************************************************************/ |
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/* Get the number of rows. */ |
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#define jas_matrix_numrows(matrix) \ |
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((matrix)->numrows_) |
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/* Get the number of columns. */ |
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#define jas_matrix_numcols(matrix) \ |
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((matrix)->numcols_) |
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/* Get a matrix element. */ |
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#define jas_matrix_get(matrix, i, j) \ |
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((matrix)->rows_[i][j]) |
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/* Set a matrix element. */ |
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#define jas_matrix_set(matrix, i, j, v) \ |
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((matrix)->rows_[i][j] = (v)) |
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/* Get an element from a matrix that is known to be a row or column vector. */ |
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#define jas_matrix_getv(matrix, i) \ |
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(((matrix)->numrows_ == 1) ? ((matrix)->rows_[0][i]) : \ |
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((matrix)->rows_[i][0])) |
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/* Set an element in a matrix that is known to be a row or column vector. */ |
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#define jas_matrix_setv(matrix, i, v) \ |
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(((matrix)->numrows_ == 1) ? ((matrix)->rows_[0][i] = (v)) : \ |
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((matrix)->rows_[i][0] = (v))) |
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/* Get the address of an element in a matrix. */ |
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#define jas_matrix_getref(matrix, i, j) \ |
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(&(matrix)->rows_[i][j]) |
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#define jas_matrix_getvref(matrix, i) \ |
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(((matrix)->numrows_ > 1) ? jas_matrix_getref(matrix, i, 0) : jas_matrix_getref(matrix, 0, i)) |
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#define jas_matrix_length(matrix) \ |
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(max((matrix)->numrows_, (matrix)->numcols_)) |
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/* Create a matrix with the specified dimensions. */ |
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jas_matrix_t *jas_matrix_create(int numrows, int numcols); |
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/* Destroy a matrix. */ |
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void jas_matrix_destroy(jas_matrix_t *matrix); |
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/* Resize a matrix. The previous contents of the matrix are lost. */ |
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int jas_matrix_resize(jas_matrix_t *matrix, int numrows, int numcols); |
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int jas_matrix_output(jas_matrix_t *matrix, FILE *out); |
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/* Create a matrix that references part of another matrix. */ |
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void jas_matrix_bindsub(jas_matrix_t *mat0, jas_matrix_t *mat1, int r0, int c0, |
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int r1, int c1); |
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/* Create a matrix that is a reference to a row of another matrix. */ |
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#define jas_matrix_bindrow(mat0, mat1, r) \ |
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(jas_matrix_bindsub((mat0), (mat1), (r), 0, (r), (mat1)->numcols_ - 1)) |
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/* Create a matrix that is a reference to a column of another matrix. */ |
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#define jas_matrix_bindcol(mat0, mat1, c) \ |
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(jas_matrix_bindsub((mat0), (mat1), 0, (c), (mat1)->numrows_ - 1, (c))) |
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/* Clip the values of matrix elements to the specified range. */ |
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void jas_matrix_clip(jas_matrix_t *matrix, jas_seqent_t minval, |
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jas_seqent_t maxval); |
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/* Arithmetic shift left of all elements in a matrix. */ |
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void jas_matrix_asl(jas_matrix_t *matrix, int n); |
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/* Arithmetic shift right of all elements in a matrix. */ |
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void jas_matrix_asr(jas_matrix_t *matrix, int n); |
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/* Almost-but-not-quite arithmetic shift right of all elements in a matrix. */ |
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void jas_matrix_divpow2(jas_matrix_t *matrix, int n); |
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/* Set all elements of a matrix to the specified value. */ |
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void jas_matrix_setall(jas_matrix_t *matrix, jas_seqent_t val); |
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/* The spacing between rows of a matrix. */ |
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#define jas_matrix_rowstep(matrix) \ |
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(((matrix)->numrows_ > 1) ? ((matrix)->rows_[1] - (matrix)->rows_[0]) : (0)) |
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/* The spacing between columns of a matrix. */ |
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#define jas_matrix_step(matrix) \ |
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(((matrix)->numrows_ > 1) ? (jas_matrix_rowstep(matrix)) : (1)) |
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/* Compare two matrices for equality. */ |
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int jas_matrix_cmp(jas_matrix_t *mat0, jas_matrix_t *mat1); |
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jas_matrix_t *jas_matrix_copy(jas_matrix_t *x); |
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jas_matrix_t *jas_matrix_input(FILE *); |
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/******************************************************************************\ |
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* Functions/macros for 2-D sequence class. |
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\******************************************************************************/ |
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jas_seq2d_t *jas_seq2d_copy(jas_seq2d_t *x); |
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jas_matrix_t *jas_seq2d_create(int xstart, int ystart, int xend, int yend); |
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#define jas_seq2d_destroy(s) \ |
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jas_matrix_destroy(s) |
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#define jas_seq2d_xstart(s) \ |
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((s)->xstart_) |
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#define jas_seq2d_ystart(s) \ |
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((s)->ystart_) |
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#define jas_seq2d_xend(s) \ |
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((s)->xend_) |
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#define jas_seq2d_yend(s) \ |
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((s)->yend_) |
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#define jas_seq2d_getref(s, x, y) \ |
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(jas_matrix_getref(s, (y) - (s)->ystart_, (x) - (s)->xstart_)) |
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#define jas_seq2d_get(s, x, y) \ |
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(jas_matrix_get(s, (y) - (s)->ystart_, (x) - (s)->xstart_)) |
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#define jas_seq2d_rowstep(s) \ |
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jas_matrix_rowstep(s) |
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#define jas_seq2d_width(s) \ |
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((s)->xend_ - (s)->xstart_) |
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#define jas_seq2d_height(s) \ |
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((s)->yend_ - (s)->ystart_) |
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#define jas_seq2d_setshift(s, x, y) \ |
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((s)->xstart_ = (x), (s)->ystart_ = (y), \ |
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(s)->xend_ = (s)->xstart_ + (s)->numcols_, \ |
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(s)->yend_ = (s)->ystart_ + (s)->numrows_) |
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void jas_seq2d_bindsub(jas_matrix_t *s, jas_matrix_t *s1, int xstart, |
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int ystart, int xend, int yend); |
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/******************************************************************************\ |
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* Functions/macros for 1-D sequence class. |
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\******************************************************************************/ |
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#define jas_seq_create(start, end) \ |
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(jas_seq2d_create(start, 0, end, 1)) |
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#define jas_seq_destroy(seq) \ |
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(jas_seq2d_destroy(seq)) |
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#define jas_seq_set(seq, i, v) \ |
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((seq)->rows_[0][(i) - (seq)->xstart_] = (v)) |
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#define jas_seq_getref(seq, i) \ |
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(&(seq)->rows_[0][(i) - (seq)->xstart_]) |
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#define jas_seq_get(seq, i) \ |
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((seq)->rows_[0][(i) - (seq)->xstart_]) |
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#define jas_seq_start(seq) \ |
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((seq)->xstart_) |
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#define jas_seq_end(seq) \ |
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((seq)->xend_) |
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#ifdef __cplusplus |
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} |
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#endif |
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#endif
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