2018-03-15 21:01:34 +00:00
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/*
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2019-01-09 20:22:17 +00:00
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* Copyright (c) 2015-2019 Sergey Bakhurin
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2018-03-15 21:01:34 +00:00
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* Digital Signal Processing Library [http://dsplib.org]
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*
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* This file is part of DSPL.
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2018-10-13 11:44:58 +00:00
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*
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2018-03-15 21:01:34 +00:00
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* is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* DSPL is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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2020-07-23 18:55:02 +00:00
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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2018-03-15 21:01:34 +00:00
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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2020-07-23 18:55:02 +00:00
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* along with Foobar. If not, see <http://www.gnu.org/licenses/>.
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2018-03-15 21:01:34 +00:00
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*/
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#include <stdio.h>
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#include <stdlib.h>
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2019-10-27 18:09:21 +00:00
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#include <string.h>
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2018-03-15 21:01:34 +00:00
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#include "dspl.h"
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2020-09-17 07:53:32 +00:00
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#ifdef DOXYGEN_ENGLISH
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#endif
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#ifdef DOXYGEN_RUSSIAN
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#endif
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int DSPL_API addlog(char* str, char* fn)
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{
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FILE* pFile = NULL;
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if(!str)
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return ERROR_PTR;
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pFile = fopen(fn, "a+");
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if(pFile == NULL)
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return ERROR_FOPEN;
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fprintf(pFile, "%s\n", str);
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fclose(pFile);
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return RES_OK;
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}
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2020-07-23 18:55:02 +00:00
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#ifdef DOXYGEN_ENGLISH
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2018-05-03 13:20:12 +00:00
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2020-07-23 18:55:02 +00:00
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#endif
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#ifdef DOXYGEN_RUSSIAN
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#endif
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2018-05-03 13:20:12 +00:00
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void DSPL_API dspl_info()
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{
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2020-07-23 18:55:02 +00:00
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printf("\n\n D S P L - 2.0\n");
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printf(" version 2.20.01.09\n");
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printf("\n Copyright (C) 2015-2020\n");
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printf(" Sergey Bakhurin www.dsplib.org\n");
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printf(" ---------------------------------------------\n");
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printf(" BLAS and LAPACK ver.: 3.8.0 www.netlib.org\n");
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2019-10-27 18:09:21 +00:00
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2018-05-03 13:20:12 +00:00
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}
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2020-07-23 18:55:02 +00:00
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#ifdef DOXYGEN_ENGLISH
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#endif
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#ifdef DOXYGEN_RUSSIAN
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#endif
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int DSPL_API readbin(char* fn, void** x, int* k, int* dtype)
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2018-12-10 20:37:31 +00:00
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{
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2020-07-23 18:55:02 +00:00
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FILE* pFile = NULL;
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int n, m, t, err;
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if(!x)
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return ERROR_PTR;
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if(!fn)
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return ERROR_FNAME;
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pFile = fopen(fn, "rb");
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if(pFile == NULL)
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return ERROR_FOPEN;
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if(fread(&t, sizeof(int), 1, pFile) != 1)
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{
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2018-12-10 20:37:31 +00:00
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err = ERROR_FREAD_SIZE;
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goto exit_label;
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2020-07-23 18:55:02 +00:00
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}
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if(dtype)
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*dtype = t;
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if(fread(&n, sizeof(int), 1, pFile) != 1)
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{
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2018-12-10 20:37:31 +00:00
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err = ERROR_FREAD_SIZE;
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goto exit_label;
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2020-07-23 18:55:02 +00:00
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}
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if(fread(&m, sizeof(int), 1, pFile) != 1)
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{
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err = ERROR_FREAD_SIZE;
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goto exit_label;
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}
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if(k)
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*k = n*m;
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switch(t)
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{
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case DAT_DOUBLE:
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(*x) = (*x) ? realloc(*x, n*m*sizeof(double)) :
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malloc(n*m*sizeof(double));
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if(fread(*x, sizeof(double), n*m, pFile) != n*m)
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{
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err = ERROR_FREAD_SIZE;
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goto exit_label;
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}
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break;
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case DAT_COMPLEX:
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(*x) = (*x) ? realloc(*x, n*m*sizeof(complex_t)) :
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malloc(n*m*sizeof(complex_t));
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if(fread(*x, sizeof(complex_t), n*m, pFile) != n*m)
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{
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err = ERROR_FREAD_SIZE;
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goto exit_label;
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}
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2020-09-04 11:43:44 +00:00
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break;
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2020-07-23 18:55:02 +00:00
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default:
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err = ERROR_DAT_TYPE;
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goto exit_label;
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}
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err = RES_OK;
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2018-12-10 20:37:31 +00:00
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exit_label:
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2020-07-23 18:55:02 +00:00
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if(pFile)
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fclose(pFile);
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return err;
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2018-12-10 20:37:31 +00:00
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}
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2018-05-03 13:20:12 +00:00
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2020-07-23 18:55:02 +00:00
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#ifdef DOXYGEN_ENGLISH
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/*! ****************************************************************************
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\ingroup IN_OUT_GROUP
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\fn int writebin(void* x, int n, int dtype, char* fn)
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\brief Save 1D vector to the binary file
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Function saves real or complex 1D vector size `n` to the binary file `fn`. \n\n
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File format supports 1D and 2D arrays and has follow format: \n\n
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\verbatim
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type 4 bytes type int.
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Can take on value:
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DAT_DOUBLE, if x pointer to the real vector;
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DAT_COMPLEX, if x pointer to the complex vector;
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n 4 bytes type int.
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Number of array rows.
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m 4 bytes type int.
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Number of array columns.
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This parameter equals 1 because this function saves 1D vector.
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data Data in binary raw.
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Data size is:
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n * sizeof(double), if dtype==DAT_DOUBLE;
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n * sizeof(complex_t), if dtype==DAT_COMPLEX.
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\endverbatim
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Binary file can be used for algorithms verification by external packages like
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GNU Octave, Matlab, Python because the function writes to a file
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without loss of accuracy. \n \n
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\param[in] x
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Pointer to the input vector. \n
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Vector size is `[n x 1]`. \n \n
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\param[in] n
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Size of input vector. \n \n
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\param[in] dtype
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Type of data. \n
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Can be one of follow: \n
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`DAT_DOUBLE` -- real data; \n
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`DAT_COMPLEX` -- complex data. \n \n
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\param[in] fn
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File name. \n \n
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\return
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`RES_OK` if file is saved successfully. \n
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Else \ref ERROR_CODE_GROUP "code error".
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Reading saved binary file from GNU Octave or Matlab:
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\code{.m}
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function [dat, n, m] = readbin(fn)
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fid = fopen(fn);
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if(~fid)
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error('cannot to open file');
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end
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type = fread(fid, 1, 'int32');
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n = fread(fid, 1, 'int32');
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m = fread(fid, 1, 'int32');
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if(type==0)
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dat = fread(fid, [n*m, 1], 'double');
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end
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if(type==1)
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y = fread(fid, [n*m*2, 1], 'double');
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dat = y(1:2:end) + 1i * y(2:2:end);
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end
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dat = reshape(dat, n, m);
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fclose(fid);
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end
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\endcode
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\author Sergey Bakhurin www.dsplib.org
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***************************************************************************** */
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#endif
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#ifdef DOXYGEN_RUSSIAN
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/*! ****************************************************************************
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\ingroup IN_OUT_GROUP
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\fn int writebin(void* x, int n, int dtype, char* fn)
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\brief Сохранить данные в бинарный файл
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Функция сохраняет реальный или комплексный вектор данных
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размера `[n x 1]` в бинарный файл `fn`. \n \n
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Файл является универсальным для хранения как одномерных,
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так и двумерных массивов и имеет следующий формат: \n \n
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\verbatim
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type 4 байта типа int.
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Может принимать значение:
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DAT_DOUBLE, если x указатель на вектор вещественных чисел;
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DAT_COMPLEX, если x указатель на вектор комплексных чисел.
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n 4 байта типа int.
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Количество строк данных.
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m 4 байта типа int.
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Количество столбцов данных.
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При сохранении вектора всегда равно 1.
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data Данные в бинарном виде.
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Размер данных:
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n * sizeof(double), если dtype==DAT_DOUBLE;
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n * sizeof(complex_t), если dtype==DAT_COMPLEX.
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\endverbatim
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Файл может быть использован для верификации алгоритмов сторонними пакетами,
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такими как GNU Octave, Matlab, Python и т.д. \n \n
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\param[in] x
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Указатель на массив данных. \n
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Размер вектора `[n x 1]`. \n
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\n
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\param[in] n
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Размер вектора данных. \n
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\n
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\param[in] dtype
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Тип данных. \n
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Может принимать значения: \n
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`DAT_DOUBLE` -- вещественные данные; \n
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`DAT_COMPLEX` -- комплексные данные. \n
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\n
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\param[in] fn
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Имя файла. \n
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\n
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\return
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`RES_OK` --- файл сохранен успешно. \n
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В противном случае \ref ERROR_CODE_GROUP "код ошибки". \n
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\note
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Данная функция производит запись в файл без потери точности,
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поэтому рекомендуется использовать ее для верификации данных DSPL. \n
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\n
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Функция для чтения бинарного файла в GNU Octave и Matlab:
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\code{.m}
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function [dat, n, m] = readbin(fn)
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fid = fopen(fn);
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if(~fid)
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error('cannot to open file');
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end
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type = fread(fid, 1, 'int32');
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n = fread(fid, 1, 'int32');
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m = fread(fid, 1, 'int32');
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if(type==0)
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dat = fread(fid, [n*m, 1], 'double');
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end
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if(type==1)
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y = fread(fid, [n*m*2, 1], 'double');
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dat = y(1:2:end) + 1i * y(2:2:end);
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end
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dat = reshape(dat, n, m);
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|
fclose(fid);
|
|
|
|
|
end
|
|
|
|
|
\endcode
|
|
|
|
|
|
|
|
|
|
\author Бахурин Сергей www.dsplib.org
|
|
|
|
|
***************************************************************************** */
|
|
|
|
|
#endif
|
2018-03-15 21:01:34 +00:00
|
|
|
|
int DSPL_API writebin(void* x, int n, int dtype, char* fn)
|
|
|
|
|
{
|
2020-07-23 18:55:02 +00:00
|
|
|
|
int k, res;
|
|
|
|
|
FILE* pFile = NULL;
|
|
|
|
|
|
|
|
|
|
if(!x)
|
|
|
|
|
return ERROR_PTR;
|
|
|
|
|
if(n < 1)
|
|
|
|
|
return ERROR_SIZE;
|
|
|
|
|
if(!fn)
|
|
|
|
|
return ERROR_FNAME;
|
|
|
|
|
|
|
|
|
|
pFile = fopen(fn, "wb");
|
|
|
|
|
if(pFile == NULL)
|
|
|
|
|
return ERROR_FOPEN;
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
if(fwrite(&dtype, sizeof(int), 1, pFile) != 1)
|
|
|
|
|
{
|
2018-10-24 17:39:51 +00:00
|
|
|
|
res = ERROR_FWRITE_SIZE;
|
|
|
|
|
goto exit_label;
|
2020-07-23 18:55:02 +00:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
2020-09-04 11:43:44 +00:00
|
|
|
|
|
2020-07-23 18:55:02 +00:00
|
|
|
|
if(fwrite(&n, sizeof(int), 1, pFile) != 1)
|
|
|
|
|
{
|
|
|
|
|
res = ERROR_FWRITE_SIZE;
|
|
|
|
|
goto exit_label;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
k = 1;
|
|
|
|
|
if(fwrite(&k, sizeof(int), 1, pFile) != 1)
|
|
|
|
|
{
|
2018-10-24 17:39:51 +00:00
|
|
|
|
res = ERROR_FWRITE_SIZE;
|
|
|
|
|
goto exit_label;
|
2020-07-23 18:55:02 +00:00
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
switch(dtype)
|
|
|
|
|
{
|
|
|
|
|
case DAT_DOUBLE:
|
|
|
|
|
if(fwrite((double*)x, sizeof(double), n, pFile) != n)
|
|
|
|
|
{
|
|
|
|
|
res = ERROR_FWRITE_SIZE;
|
|
|
|
|
goto exit_label;
|
|
|
|
|
}
|
|
|
|
|
break;
|
|
|
|
|
case DAT_COMPLEX:
|
|
|
|
|
if(fwrite((complex_t*)x,
|
|
|
|
|
sizeof(complex_t), n, pFile) != n)
|
|
|
|
|
{
|
|
|
|
|
res = ERROR_FWRITE_SIZE;
|
|
|
|
|
goto exit_label;
|
|
|
|
|
}
|
|
|
|
|
break;
|
|
|
|
|
default:
|
|
|
|
|
res = ERROR_DAT_TYPE;
|
|
|
|
|
goto exit_label;
|
|
|
|
|
}
|
|
|
|
|
res = RES_OK;
|
2018-03-15 21:01:34 +00:00
|
|
|
|
exit_label:
|
2020-07-23 18:55:02 +00:00
|
|
|
|
if(pFile)
|
|
|
|
|
fclose(pFile);
|
|
|
|
|
return res;
|
2018-03-15 21:01:34 +00:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
2020-07-23 18:55:02 +00:00
|
|
|
|
#ifdef DOXYGEN_ENGLISH
|
|
|
|
|
/*! ****************************************************************************
|
|
|
|
|
\ingroup IN_OUT_GROUP
|
|
|
|
|
\fn int writetxt(double* x, double* y, int n, char* fn)
|
|
|
|
|
\brief Save real data \f$y(x)\f$ to the text file `fn`. \n
|
2020-04-14 17:01:23 +00:00
|
|
|
|
|
2020-07-23 18:55:02 +00:00
|
|
|
|
File format is:
|
2020-04-14 17:01:23 +00:00
|
|
|
|
|
2020-07-23 18:55:02 +00:00
|
|
|
|
\verbatim
|
|
|
|
|
x[0] y[0]
|
|
|
|
|
x[1] y[1]
|
|
|
|
|
... ...
|
|
|
|
|
x[n-1] y[n-1]
|
|
|
|
|
\endverbatim
|
2020-04-14 17:01:23 +00:00
|
|
|
|
|
2020-07-23 18:55:02 +00:00
|
|
|
|
Text file can be used to plotting data with a third-party program
|
|
|
|
|
for example, the GNUPLOT package (see \ref PLOT_GROUP). \n
|
2018-03-15 21:01:34 +00:00
|
|
|
|
|
2020-07-23 18:55:02 +00:00
|
|
|
|
\param[in] x
|
|
|
|
|
Pointer to the vector `x`. \n
|
|
|
|
|
Vector size is `[n x 1]`. \n \n
|
2018-03-15 21:01:34 +00:00
|
|
|
|
|
2020-07-23 18:55:02 +00:00
|
|
|
|
\param[in] y
|
|
|
|
|
Pointer to the vector `y`. \n
|
|
|
|
|
Vector size is `[n x 1]`. \n
|
|
|
|
|
This pointer can be `NULL`.
|
|
|
|
|
File will have only one column corresponds to `x` vector in this case. \n \n
|
|
|
|
|
|
|
|
|
|
\param[in] n
|
|
|
|
|
Size of vectors `x` and `y`. \n \n
|
|
|
|
|
|
|
|
|
|
\param[in] fn
|
|
|
|
|
File name. \n \n
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
\return
|
|
|
|
|
`RES_OK` if file is saved successfully. \n
|
|
|
|
|
Else \ref ERROR_CODE_GROUP "code error".
|
|
|
|
|
|
|
|
|
|
\note
|
|
|
|
|
This function rounds data when writing to a file.
|
|
|
|
|
So, it is not recommended to use it to verify algorithms.
|
|
|
|
|
|
|
|
|
|
\author Sergey Bakhurin www.dsplib.org
|
|
|
|
|
***************************************************************************** */
|
|
|
|
|
#endif
|
|
|
|
|
#ifdef DOXYGEN_RUSSIAN
|
|
|
|
|
/*! ****************************************************************************
|
|
|
|
|
\ingroup IN_OUT_GROUP
|
|
|
|
|
\fn int writetxt(double* x, double* y, int n, char* fn)
|
|
|
|
|
\brief Сохранить вещественные данные в текстовый файл
|
|
|
|
|
|
|
|
|
|
Функция сохраняет вещественные данные в текстовый файл `fn`. \n
|
|
|
|
|
Файл имеет следующий формат: \n
|
|
|
|
|
\verbatim
|
|
|
|
|
x[0] y[0]
|
|
|
|
|
x[1] y[1]
|
|
|
|
|
... ...
|
|
|
|
|
x[n-1] y[n-1]
|
|
|
|
|
\endverbatim
|
|
|
|
|
|
|
|
|
|
Файл может быть использован для построения графика сторонней программой,
|
|
|
|
|
например пакетом GNUPLOT (см. раздел \ref PLOT_GROUP). \n
|
|
|
|
|
|
|
|
|
|
\param[in] x
|
|
|
|
|
Указатель на первый вектор. \n
|
|
|
|
|
Размер вектора `[n x 1]`. \n \n
|
|
|
|
|
|
|
|
|
|
\param[in] y
|
|
|
|
|
Указатель на второй вектор. \n
|
|
|
|
|
Размер вектора `[n x 1]`. \n
|
|
|
|
|
Может быть `NULL`. \n
|
|
|
|
|
Файл будет содержать только один столбец соответствующий
|
|
|
|
|
вектору `x` если `y == NULL`. \n \n
|
|
|
|
|
|
|
|
|
|
\param[in] n
|
|
|
|
|
Размер входных векторов. \n \n
|
|
|
|
|
|
|
|
|
|
\param[in] fn
|
|
|
|
|
Имя файла. \n \n
|
|
|
|
|
|
|
|
|
|
\return
|
|
|
|
|
`RES_OK` --- файл сохранен успешно. \n
|
|
|
|
|
В противном случае \ref ERROR_CODE_GROUP "код ошибки": \n
|
|
|
|
|
|
|
|
|
|
\note
|
|
|
|
|
Данная функция производит округление данных при записи в файл.
|
|
|
|
|
Поэтому не рекомендуется использовать ее для верификации данных DSPL.
|
|
|
|
|
|
|
|
|
|
\author Бахурин Сергей www.dsplib.org
|
|
|
|
|
***************************************************************************** */
|
|
|
|
|
#endif
|
|
|
|
|
int DSPL_API writetxt(double* x, double* y, int n, char* fn)
|
2020-07-13 20:44:46 +00:00
|
|
|
|
{
|
2020-07-23 18:55:02 +00:00
|
|
|
|
int k;
|
|
|
|
|
FILE* pFile = NULL;
|
|
|
|
|
if(!x)
|
|
|
|
|
return ERROR_PTR;
|
|
|
|
|
if(n < 1)
|
|
|
|
|
return ERROR_SIZE;
|
|
|
|
|
if(!fn)
|
|
|
|
|
return ERROR_FNAME;
|
|
|
|
|
|
|
|
|
|
pFile = fopen(fn, "w+");
|
|
|
|
|
if(pFile == NULL)
|
|
|
|
|
return ERROR_FOPEN;
|
2020-07-13 20:44:46 +00:00
|
|
|
|
|
2020-07-23 18:55:02 +00:00
|
|
|
|
if(y)
|
|
|
|
|
for(k = 0; k < n; k++)
|
|
|
|
|
fprintf(pFile, "%+.12E\t%+.12E\n", x[k], y[k]);
|
2020-07-13 20:44:46 +00:00
|
|
|
|
|
2020-07-23 18:55:02 +00:00
|
|
|
|
else
|
|
|
|
|
for(k = 0; k < n; k++)
|
|
|
|
|
fprintf(pFile, "%+.12E\n", x[k]);
|
2020-07-13 20:44:46 +00:00
|
|
|
|
|
|
|
|
|
|
2020-07-23 18:55:02 +00:00
|
|
|
|
fclose(pFile);
|
|
|
|
|
return RES_OK;
|
2020-07-13 20:44:46 +00:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
2020-07-23 18:55:02 +00:00
|
|
|
|
#ifdef DOXYGEN_ENGLISH
|
2020-07-13 20:44:46 +00:00
|
|
|
|
|
2020-07-23 18:55:02 +00:00
|
|
|
|
#endif
|
|
|
|
|
#ifdef DOXYGEN_RUSSIAN
|
|
|
|
|
|
|
|
|
|
#endif
|
|
|
|
|
int DSPL_API writetxt_cmplx(complex_t* x, int n, char* fn)
|
2020-05-07 10:13:34 +00:00
|
|
|
|
{
|
2020-07-23 18:55:02 +00:00
|
|
|
|
int k;
|
|
|
|
|
FILE* pFile = NULL;
|
|
|
|
|
if(!x)
|
|
|
|
|
return ERROR_PTR;
|
|
|
|
|
if(n < 1)
|
|
|
|
|
return ERROR_SIZE;
|
|
|
|
|
if(!fn)
|
|
|
|
|
return ERROR_FNAME;
|
|
|
|
|
|
|
|
|
|
pFile = fopen(fn, "w+");
|
|
|
|
|
if(pFile == NULL)
|
|
|
|
|
return ERROR_FOPEN;
|
2018-06-27 20:55:47 +00:00
|
|
|
|
|
2020-05-07 10:13:34 +00:00
|
|
|
|
for(k = 0; k < n; k++)
|
2020-07-23 18:55:02 +00:00
|
|
|
|
fprintf(pFile, "%+.12E %+.12E\n", RE(x[k]), IM(x[k]));
|
2020-05-07 10:13:34 +00:00
|
|
|
|
|
2020-07-23 18:55:02 +00:00
|
|
|
|
|
|
|
|
|
fclose(pFile);
|
|
|
|
|
return RES_OK;
|
2020-05-07 10:13:34 +00:00
|
|
|
|
}
|
2018-06-27 20:55:47 +00:00
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
2020-07-23 18:55:02 +00:00
|
|
|
|
#ifdef DOXYGEN_ENGLISH
|
|
|
|
|
/*! ****************************************************************************
|
|
|
|
|
\ingroup IN_OUT_GROUP
|
|
|
|
|
\fn int writetxt_int(int* x, int* y, int n, char* fn)
|
|
|
|
|
|
|
|
|
|
\brief Save interger data \f$y(x)\f$ to the text file `fn`. \n
|
|
|
|
|
|
|
|
|
|
File format
|
|
|
|
|
|
|
|
|
|
\verbatim
|
|
|
|
|
x[0] y[0]
|
|
|
|
|
x[1] y[1]
|
|
|
|
|
... ...
|
|
|
|
|
x[n-1] y[n-1]
|
|
|
|
|
\endverbatim
|
|
|
|
|
|
|
|
|
|
Text file can be used to plotting data with a third-party program
|
|
|
|
|
for example, the GNUPLOT package (see \ref PLOT_GROUP). \n
|
|
|
|
|
|
|
|
|
|
\param[in] x
|
|
|
|
|
Pointer to the interger vector `x`. \n
|
|
|
|
|
Vector size is `[n x 1]`. \n \n
|
|
|
|
|
|
|
|
|
|
\param[in] y
|
|
|
|
|
Pointer to the interger vector `y`. \n
|
|
|
|
|
Vector size is `[n x 1]`. \n
|
|
|
|
|
This pointer can be `NULL`.
|
|
|
|
|
File will have only one column corresponds to `x` vector in this case. \n \n
|
|
|
|
|
|
|
|
|
|
\param[in] n
|
|
|
|
|
Size of vectors `x` and `y`. \n \n
|
|
|
|
|
|
|
|
|
|
\param[in] fn
|
|
|
|
|
File name. \n \n
|
|
|
|
|
|
|
|
|
|
\return
|
|
|
|
|
`RES_OK` if file is saved successfully. \n
|
|
|
|
|
Else \ref ERROR_CODE_GROUP "code error".
|
|
|
|
|
|
|
|
|
|
\author Sergey Bakhurin www.dsplib.org
|
|
|
|
|
***************************************************************************** */
|
|
|
|
|
#endif
|
|
|
|
|
#ifdef DOXYGEN_RUSSIAN
|
|
|
|
|
/*! ****************************************************************************
|
|
|
|
|
\ingroup IN_OUT_GROUP
|
|
|
|
|
\fn int writetxt_int(int* x, int* y, int n, char* fn)
|
|
|
|
|
|
|
|
|
|
\brief Сохранить целочисленные данные в текстовый файл
|
|
|
|
|
|
|
|
|
|
Функция сохраняет целочисленные данные в текстовый файл `fn`. \n
|
|
|
|
|
Файл имеет следующий формат: \n
|
|
|
|
|
|
|
|
|
|
\verbatim
|
|
|
|
|
x[0] y[0]
|
|
|
|
|
x[1] y[1]
|
|
|
|
|
... ...
|
|
|
|
|
x[n-1] y[n-1]
|
|
|
|
|
\endverbatim
|
|
|
|
|
|
|
|
|
|
Файл может быть использован для построения графика сторонней программой,
|
|
|
|
|
например пакетом GNUPLOT (см. раздел \ref PLOT_GROUP). \n
|
|
|
|
|
|
|
|
|
|
\param[in] x
|
|
|
|
|
Указатель на первый вектор. \n
|
|
|
|
|
Размер вектора `[n x 1]`. \n \n
|
|
|
|
|
|
|
|
|
|
\param[in] y
|
|
|
|
|
Указатель на второй вектор. \n
|
|
|
|
|
Размер вектора `[n x 1]`. \n
|
|
|
|
|
Может быть `NULL`. \n
|
|
|
|
|
Файл будет содержать только один столбец соответствующий
|
|
|
|
|
вектору `x` если `y == NULL`. \n \n
|
|
|
|
|
|
|
|
|
|
\param[in] n
|
|
|
|
|
Размер входных векторов. \n \n
|
|
|
|
|
|
|
|
|
|
\param[in] fn
|
|
|
|
|
Имя файла. \n \n
|
|
|
|
|
|
|
|
|
|
\return
|
|
|
|
|
`RES_OK` --- файл сохранен успешно. \n
|
|
|
|
|
В противном случае \ref ERROR_CODE_GROUP "код ошибки": \n
|
|
|
|
|
|
|
|
|
|
\author Бахурин Сергей www.dsplib.org
|
|
|
|
|
***************************************************************************** */
|
|
|
|
|
#endif
|
|
|
|
|
int DSPL_API writetxt_int(int* x, int* y, int n, char* fn)
|
2018-06-27 20:55:47 +00:00
|
|
|
|
{
|
2020-07-23 18:55:02 +00:00
|
|
|
|
int k;
|
|
|
|
|
FILE* pFile = NULL;
|
|
|
|
|
if(!x)
|
|
|
|
|
return ERROR_PTR;
|
|
|
|
|
if(n < 1)
|
|
|
|
|
return ERROR_SIZE;
|
|
|
|
|
if(!fn)
|
|
|
|
|
return ERROR_FNAME;
|
|
|
|
|
|
|
|
|
|
pFile = fopen(fn, "w+");
|
|
|
|
|
if(pFile == NULL)
|
|
|
|
|
return ERROR_FOPEN;
|
|
|
|
|
|
|
|
|
|
if(y)
|
|
|
|
|
for(k = 0; k < n; k++)
|
|
|
|
|
fprintf(pFile, "% -14d\t% -14d\n", x[k], y[k]);
|
|
|
|
|
|
|
|
|
|
else
|
|
|
|
|
for(k = 0; k < n; k++)
|
|
|
|
|
fprintf(pFile, "% -.14d\n", x[k]);
|
2018-10-24 17:39:51 +00:00
|
|
|
|
|
2020-07-23 18:55:02 +00:00
|
|
|
|
fclose(pFile);
|
|
|
|
|
return RES_OK;
|
2018-06-27 20:55:47 +00:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
2020-07-23 18:55:02 +00:00
|
|
|
|
#ifdef DOXYGEN_ENGLISH
|
|
|
|
|
/*! ****************************************************************************
|
|
|
|
|
\ingroup IN_OUT_GROUP
|
|
|
|
|
\fn int writetxt_3d(double* x, int nx, double* y, int ny,
|
|
|
|
|
double* z, char* fn)
|
2018-06-27 20:55:47 +00:00
|
|
|
|
|
2020-07-23 18:55:02 +00:00
|
|
|
|
\brief Save data \f$ z(x,y)\f$ to the text file `fn` for 3D surface plotting.
|
2018-06-27 20:55:47 +00:00
|
|
|
|
|
2020-07-23 18:55:02 +00:00
|
|
|
|
Function \f$ z(x,y)\f$ describes as matrix `z[x[n], y[n]]` as it showed on the
|
|
|
|
|
follow figure:
|
2018-06-27 20:55:47 +00:00
|
|
|
|
|
2020-07-23 18:55:02 +00:00
|
|
|
|
\image html writetxt_3d_matrix.png
|
|
|
|
|
|
|
|
|
|
Matrix `z` writen in the memory by columns as it it showed on the figure by
|
|
|
|
|
red arrow. \n
|
|
|
|
|
|
|
|
|
|
Text file fas follow format: \n
|
|
|
|
|
|
|
|
|
|
\verbatim
|
|
|
|
|
x[0] y[0] z[0, 0]
|
|
|
|
|
x[1] y[0] z[1, 0]
|
|
|
|
|
x[2] y[0] z[2, 0]
|
|
|
|
|
... ... ...
|
|
|
|
|
x[nx-1] y[0] z[nx-1, 0]
|
|
|
|
|
|
|
|
|
|
x[0] y[1] z[0, 1]
|
|
|
|
|
x[1] y[1] z[1, 1]
|
|
|
|
|
x[2] y[1] z[2, 1]
|
|
|
|
|
... ... ...
|
|
|
|
|
x[nx-1] y[1] z[nx-1, 1]
|
|
|
|
|
|
|
|
|
|
... ... ...
|
|
|
|
|
... ... ...
|
|
|
|
|
... ... ...
|
|
|
|
|
|
|
|
|
|
x[0] y[ny-1] z[0, ny-1]
|
|
|
|
|
x[1] y[ny-1] z[1, ny-1]
|
|
|
|
|
x[2] y[ny-1] z[2, ny-1]
|
|
|
|
|
... ... ...
|
|
|
|
|
x[nx-1] y[ny-1] z[nx-1, ny-1]
|
|
|
|
|
\endverbatim
|
|
|
|
|
Each `z` matrix value is writen on individual line corresponds to `x`
|
|
|
|
|
and `y` values. Matrix columns are separated from each other by an empty line.
|
|
|
|
|
|
|
|
|
|
The file can be used to build a 3D surface with a third-party program
|
|
|
|
|
for example, the GNUPLOT package (see \ref PLOT_GROUP). Also this format
|
|
|
|
|
supported by pgfplot3d packages of the Latex system. \n
|
|
|
|
|
|
|
|
|
|
\param[in] x
|
|
|
|
|
Pointer to the vector `x`. \n
|
|
|
|
|
Vector size is `[nx x 1]`. \n \n
|
|
|
|
|
|
|
|
|
|
\param[in] nx
|
|
|
|
|
Size of vector `x`. \n \n
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
\param[in] y
|
|
|
|
|
Pointer to the vector `y`. \n
|
|
|
|
|
Vector size is `[ny x 1]`. \n\n
|
|
|
|
|
|
|
|
|
|
\param[in] ny
|
|
|
|
|
Size of vector `y`. \n\n
|
|
|
|
|
|
|
|
|
|
\param[in] z
|
|
|
|
|
Pointer to the matrix `z(x, y)`. \n
|
|
|
|
|
Size of matrix is `[nx x ny]`. \n\n
|
|
|
|
|
|
|
|
|
|
\param[in] fn
|
|
|
|
|
3D data file name. \n\n
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
\return
|
|
|
|
|
`RES_OK` if file is saved successfully. \n
|
|
|
|
|
Else \ref ERROR_CODE_GROUP "code error".
|
|
|
|
|
|
|
|
|
|
Example of 3D surface plotting:
|
|
|
|
|
|
|
|
|
|
\include writetxt_3d_test.c
|
|
|
|
|
|
|
|
|
|
Program calcultes function
|
|
|
|
|
|
|
|
|
|
\f[
|
|
|
|
|
z(x,y) = x \exp(-x^2 -y^2)
|
|
|
|
|
\f]
|
|
|
|
|
|
|
|
|
|
and save data to the `dat/data3d.txt` file.\n
|
|
|
|
|
In addition, GNUPLOT built a 3D surface by data
|
|
|
|
|
saved to the `dat/data3d.txt` file:
|
|
|
|
|
|
|
|
|
|
\image html writetxt_3d.png
|
|
|
|
|
|
|
|
|
|
\author Sergey Bakhurin www.dsplib.org
|
|
|
|
|
***************************************************************************** */
|
|
|
|
|
#endif
|
|
|
|
|
#ifdef DOXYGEN_RUSSIAN
|
|
|
|
|
/*! ****************************************************************************
|
|
|
|
|
\ingroup IN_OUT_GROUP
|
|
|
|
|
\fn int writetxt_3d(double* x, int nx, double* y, int ny, double* z, char* fn)
|
|
|
|
|
|
|
|
|
|
\brief Сохранить данные для построения 3D графика
|
|
|
|
|
|
|
|
|
|
Функция сохраняет вещественные данные в текстовый файл `fn`
|
|
|
|
|
для построения 3D поверхности. \n
|
|
|
|
|
Функция \f$ z(x,y)\f$ описывается матрицей значений `z[x[n], y[n]]`
|
|
|
|
|
как это показано на рисунке
|
|
|
|
|
|
|
|
|
|
\image html writetxt_3d_matrix.png
|
|
|
|
|
|
|
|
|
|
Матрица `z` хранится в памяти по столбцам, как это показано красной стрелкой. \n
|
|
|
|
|
Файл имеет следующий формат: \n
|
|
|
|
|
|
|
|
|
|
\verbatim
|
|
|
|
|
x[0] y[0] z[0, 0]
|
|
|
|
|
x[1] y[0] z[1, 0]
|
|
|
|
|
x[2] y[0] z[2, 0]
|
|
|
|
|
... ... ...
|
|
|
|
|
x[nx-1] y[0] z[nx-1, 0]
|
|
|
|
|
|
|
|
|
|
x[0] y[1] z[0, 1]
|
|
|
|
|
x[1] y[1] z[1, 1]
|
|
|
|
|
x[2] y[1] z[2, 1]
|
|
|
|
|
... ... ...
|
|
|
|
|
x[nx-1] y[1] z[nx-1, 1]
|
|
|
|
|
|
|
|
|
|
... ... ...
|
|
|
|
|
... ... ...
|
|
|
|
|
... ... ...
|
|
|
|
|
|
|
|
|
|
x[0] y[ny-1] z[0, ny-1]
|
|
|
|
|
x[1] y[ny-1] z[1, ny-1]
|
|
|
|
|
x[2] y[ny-1] z[2, ny-1]
|
|
|
|
|
... ... ...
|
|
|
|
|
x[nx-1] y[ny-1] z[nx-1, ny-1]
|
|
|
|
|
\endverbatim
|
|
|
|
|
Таким образом, каждое значение матрицы `z` записано отдельной строкой со
|
|
|
|
|
соответствующими значениями `x` и `y`. Столбцы матрицы отделены пустой строкой.
|
|
|
|
|
|
|
|
|
|
Файл может быть использован для построения графика сторонней программой,
|
|
|
|
|
например пакетом GNUPLOT (см. раздел \ref PLOT_GROUP). Также данный формат
|
|
|
|
|
поддерживается пакетами pgfplot3d издательской системы Latex. \n
|
|
|
|
|
|
|
|
|
|
\param[in] x
|
|
|
|
|
Указатель на вектор значений оси `x`. \n
|
|
|
|
|
Размер вектора `[nx x 1]`. \n \n
|
|
|
|
|
|
|
|
|
|
\param[in] nx
|
|
|
|
|
Размер вектора оси `x`. \n \n
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
\param[in] y
|
|
|
|
|
Указатель на второй вектор значений оси `y`. \n
|
|
|
|
|
Размер вектора `[ny x 1]`. \n
|
|
|
|
|
|
|
|
|
|
\param[in] ny
|
|
|
|
|
Размер вектора оси `y`. \n \n
|
|
|
|
|
|
|
|
|
|
\param[in] z
|
|
|
|
|
Указатель на матрицу значений функции `z(x, y)`. \n \n
|
|
|
|
|
|
|
|
|
|
\param[in] fn
|
|
|
|
|
Имя файла. \n \n
|
|
|
|
|
|
|
|
|
|
\return
|
|
|
|
|
`RES_OK` --- файл сохранен успешно. \n
|
|
|
|
|
В противном случае \ref ERROR_CODE_GROUP "код ошибки": \n
|
|
|
|
|
|
|
|
|
|
Пример использования функции и посторения 3D поверхности приведен
|
|
|
|
|
в следующем листинге:
|
|
|
|
|
|
|
|
|
|
\include writetxt_3d_test.c
|
|
|
|
|
|
|
|
|
|
Данная программа рассчитывает и строит поверхность функции
|
|
|
|
|
|
|
|
|
|
\f[
|
|
|
|
|
z(x,y) = x \exp(-x^2 -y^2)
|
|
|
|
|
\f]
|
|
|
|
|
|
|
|
|
|
В каталоге `dat` будет создан файл `data3d.txt`.\n
|
|
|
|
|
Кроме того программа GNUPLOT произведет построение 3D поверхности
|
|
|
|
|
по сохраненным в файл данным:
|
|
|
|
|
|
|
|
|
|
\image html writetxt_3d.png
|
|
|
|
|
|
|
|
|
|
\author Бахурин Сергей www.dsplib.org
|
|
|
|
|
***************************************************************************** */
|
|
|
|
|
#endif
|
|
|
|
|
int DSPL_API writetxt_3d(double* x, int nx, double* y, int ny,
|
|
|
|
|
double* z, char* fn)
|
2018-06-27 20:55:47 +00:00
|
|
|
|
{
|
2020-07-23 18:55:02 +00:00
|
|
|
|
int k, n;
|
|
|
|
|
FILE* pFile = NULL;
|
|
|
|
|
|
|
|
|
|
if(!x || !y || !z)
|
|
|
|
|
return ERROR_PTR;
|
|
|
|
|
if(nx < 1 || ny < 1)
|
|
|
|
|
return ERROR_SIZE;
|
|
|
|
|
if(!fn)
|
|
|
|
|
return ERROR_FNAME;
|
|
|
|
|
|
|
|
|
|
pFile = fopen(fn, "w+");
|
|
|
|
|
if(pFile == NULL)
|
|
|
|
|
return ERROR_FOPEN;
|
|
|
|
|
|
|
|
|
|
for(k = 0; k < ny; k++)
|
|
|
|
|
{
|
|
|
|
|
for(n = 0; n < nx; n++)
|
|
|
|
|
fprintf(pFile, "%+.12E\t%+.12E\t%+.12E\n",
|
|
|
|
|
x[n], y[k], z[n+k*nx]);
|
|
|
|
|
fprintf(pFile, "\n");
|
|
|
|
|
|
|
|
|
|
}
|
|
|
|
|
fclose(pFile);
|
|
|
|
|
return RES_OK;
|
2018-10-13 11:44:58 +00:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
2020-07-23 18:55:02 +00:00
|
|
|
|
|
|
|
|
|
#ifdef DOXYGEN_ENGLISH
|
|
|
|
|
|
|
|
|
|
#endif
|
|
|
|
|
#ifdef DOXYGEN_RUSSIAN
|
|
|
|
|
|
|
|
|
|
#endif
|
|
|
|
|
int DSPL_API writetxt_3dline(double* x, double *y, double* z, int n, char* fn)
|
2018-10-13 11:44:58 +00:00
|
|
|
|
{
|
2020-07-23 18:55:02 +00:00
|
|
|
|
int k;
|
|
|
|
|
FILE* pFile = NULL;
|
2018-10-24 17:39:51 +00:00
|
|
|
|
|
2020-07-23 18:55:02 +00:00
|
|
|
|
if(!x || !y || !z)
|
|
|
|
|
return ERROR_PTR;
|
|
|
|
|
if(n < 1)
|
|
|
|
|
return ERROR_SIZE;
|
|
|
|
|
if(!fn)
|
|
|
|
|
return ERROR_FNAME;
|
2018-10-24 17:39:51 +00:00
|
|
|
|
|
2020-07-23 18:55:02 +00:00
|
|
|
|
pFile = fopen(fn, "w+");
|
|
|
|
|
if(pFile == NULL)
|
|
|
|
|
return ERROR_FOPEN;
|
2018-10-24 17:39:51 +00:00
|
|
|
|
|
|
|
|
|
for(k = 0; k < n; k++)
|
2020-07-23 18:55:02 +00:00
|
|
|
|
fprintf(pFile, "%+.12E\t%+.12E\t%+.12E\n", x[k], y[k], z[k]);
|
|
|
|
|
fprintf(pFile, "\n");
|
|
|
|
|
fclose(pFile);
|
|
|
|
|
return RES_OK;
|
2018-10-13 11:44:58 +00:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
2020-07-23 18:55:02 +00:00
|
|
|
|
#ifdef DOXYGEN_ENGLISH
|
|
|
|
|
|
|
|
|
|
#endif
|
|
|
|
|
#ifdef DOXYGEN_RUSSIAN
|
|
|
|
|
|
|
|
|
|
#endif
|
|
|
|
|
int DSPL_API writetxt_cmplx_re(double* x, complex_t *y, int n, char* fn)
|
2018-10-13 11:44:58 +00:00
|
|
|
|
{
|
2020-07-23 18:55:02 +00:00
|
|
|
|
int k;
|
|
|
|
|
FILE* pFile = NULL;
|
|
|
|
|
|
|
|
|
|
if(!x)
|
|
|
|
|
return ERROR_PTR;
|
|
|
|
|
if(n < 1)
|
|
|
|
|
return ERROR_SIZE;
|
|
|
|
|
if(!fn)
|
|
|
|
|
return ERROR_FNAME;
|
|
|
|
|
|
|
|
|
|
pFile = fopen(fn, "w+");
|
|
|
|
|
if(pFile == NULL)
|
|
|
|
|
return ERROR_FOPEN;
|
|
|
|
|
|
|
|
|
|
if(x)
|
|
|
|
|
for(k = 0; k < n; k++)
|
|
|
|
|
fprintf(pFile, "%+.12E\t%+.12E\n", x[k], RE(y[k]));
|
|
|
|
|
else
|
|
|
|
|
for(k = 0; k < n; k++)
|
|
|
|
|
fprintf(pFile, "%+.12E\n", RE(y[k]));
|
2018-10-24 17:39:51 +00:00
|
|
|
|
|
2020-07-23 18:55:02 +00:00
|
|
|
|
fclose(pFile);
|
|
|
|
|
return RES_OK;
|
|
|
|
|
}
|
2018-10-24 17:39:51 +00:00
|
|
|
|
|
|
|
|
|
|
2020-07-23 18:55:02 +00:00
|
|
|
|
#ifdef DOXYGEN_ENGLISH
|
|
|
|
|
|
|
|
|
|
#endif
|
|
|
|
|
#ifdef DOXYGEN_RUSSIAN
|
2018-10-24 17:39:51 +00:00
|
|
|
|
|
2020-07-23 18:55:02 +00:00
|
|
|
|
#endif
|
|
|
|
|
int DSPL_API writetxt_cmplx_im(double* x, complex_t *y, int n, char* fn)
|
|
|
|
|
{
|
|
|
|
|
int k;
|
|
|
|
|
FILE* pFile = NULL;
|
|
|
|
|
|
|
|
|
|
if(!x)
|
|
|
|
|
return ERROR_PTR;
|
|
|
|
|
if(n < 1)
|
|
|
|
|
return ERROR_SIZE;
|
|
|
|
|
if(!fn)
|
|
|
|
|
return ERROR_FNAME;
|
|
|
|
|
|
|
|
|
|
pFile = fopen(fn, "w+");
|
|
|
|
|
if(pFile == NULL)
|
|
|
|
|
return ERROR_FOPEN;
|
|
|
|
|
|
|
|
|
|
if(x)
|
|
|
|
|
for(k = 0; k < n; k++)
|
|
|
|
|
fprintf(pFile, "%+.12E\t%+.12E\n", x[k], IM(y[k]));
|
|
|
|
|
else
|
|
|
|
|
for(k = 0; k < n; k++)
|
|
|
|
|
fprintf(pFile, "%+.12E\n", IM(y[k]));
|
|
|
|
|
|
|
|
|
|
fclose(pFile);
|
|
|
|
|
return RES_OK;
|
2018-06-27 20:55:47 +00:00
|
|
|
|
}
|
|
|
|
|
|