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utils.c
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utils.c
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/* Podstawowe funkcje I/O dla programu hmpp II 1997 04 02 1997 05 28 */
/* 1997 08 20/26 1997 10 04; Ujednolicenie zapisu ksiazek 1998 01 31 */
/* 1998 05 11 poprawki przy inicjacji slownika i wczytaniu plikow ASCII */
/* 1998 06 05 doliczanie amplitudy */
/* 1999 08 29 view */
/* 1999 10 10 float=owa czestosc */
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <math.h>
#include <time.h>
#include <ctype.h>
#ifdef __MSDOS__
#include <dir.h>
#else
// modified by GD
// #include <unistd.h>
#endif
#include "new_io.h"
#include "rand2d.h"
#include "shell.h"
#include "iobook.h"
#include "typdef.h"
#include "proto.h"
#define ERR(STR, CHR) if(opterr) fprintf(stdout,"%s%c\n",STR,CHR);
#define FreeVector(TAB) free((void *)TAB)
#define ON 1
#define OFF 0
#define SQR(X) ((X)*(X))
#define MAXOPTIONS 30
#define STRINGLEN 256
#define STRING STRINGLEN
int opterr=1,optind=1,optopt,sp=1; /* Zmienne pomocnicze dla GetOpt */
char *optarg;
int DimBase,prn=ON,dimroz,OldDimRoz,file_offset,FastMode,VeryFastMode,
LoadStatus,Compute=OFF,DiadicStructure;
float epsylon,*OrgSygnal,*sygnal,SamplingRate,ConvRate,E0,Ec,
*OctaveDyst;
BOOK *book;
char outname[STRING]="book.b",SSignalname[STRING]="signal.asc";
int ChannelMaxNum=1,ChannelNumber=1;
char infoHeader[STRING]="http://brain.fuw.edu.pl";
int prninfo=ON;
float *MakeVector(int dim) /* Utworzenie 1D tablicy danych float */
{
const unsigned size=(unsigned)dim*sizeof(float);
float *tab;
if((tab=(float *)malloc(size))==NULL)
return NULL;
(void)memset((void *)tab,0,size);
return tab;
}
int Getopt(int argc, char **argv,char *opts) /* AT&T public domain */
{
register int c; /* Interpretacja opcji */
register char *cp;
if(sp==1)
{
if(optind>=argc || argv[optind][0]!='-' || argv[optind][1]=='\0')
return(EOF);
else if(strcmp(argv[optind],"--")==0)
{
optind++;
return(EOF);
}
}
optopt=c=argv[optind][sp];
if(c==':' || (cp=strchr(opts,c))==0)
{
ERR(": illegal option -- ", c);
if(argv[optind][++sp] == '\0')
{
optind++;
sp=1;
}
return('?');
}
if(*++cp==':')
{
if(argv[optind][sp+1]!='\0')
optarg=&argv[optind++][sp+1];
else if(++optind>=argc)
{
ERR(": option requires an argument -- ", c);
sp=1;
return('?');
}
else
optarg=argv[optind++];
sp=1;
}
else
{
if(argv[optind][++sp]=='\0')
{
sp=1;
optind++;
}
optarg=NULL;
}
return(c);
}
#undef ERR
int ReadSygnal(char *name,int Mode) /* Wczytanie sygnalu do analizy */
{
FILE *plik;
char Napis[STRINGLEN];
register int i;
if((plik=fopen(name,"rt"))==NULL)
{
fputs("\n\rProblems opening file\n\r",stderr);
return -1;
}
i=0;
while(fscanf(plik,"%s",Napis)>0 && i<DimBase)
{
sygnal[Mode+i]=atof(Napis);
i++;
}
if(Mode==DimBase)
for(i=0 ; i<DimBase ; i++)
OrgSygnal[i]=sygnal[Mode+i];
Compute=OFF;
strcpy(SSignalname,name);
fclose(plik);
return 0;
}
// Load signal from ascii file
void Load(char *opt) /* Ladowanie sygnalu w trybie ASCII */
{
char *argv[MAXOPTIONS],name[STRING]="";
int argc,opcja,Mode=(int)DimBase,ok=0,SymMode=OFF;
StrToArgv(opt,argv,&argc);
opterr=optind=0; sp=1;
while((opcja=Getopt(argc,argv,"O:LRCS"))!=EOF)
switch(opcja) {
case 'O':
ok=1;
strcpy(name,optarg);
break;
case 'L':
Mode=0; /* Lewy warunek brzegowy */
break;
case 'R':
Mode=2*DimBase; /* Prawy ----//-----//----- */
break;
case 'C':
Mode=DimBase; /* Na upartego */
break;
case 'S':
SymMode=ON;
Mode=DimBase;
break;
default:
fprintf(stderr,"Unknown option !\n");
FreeArgv(argv,argc);
return;
}
FreeArgv(argv,argc);
if(ok==0)
{
fprintf(stderr,"Filename not given !\n");
return;
}
if(prn==ON)
{
if(SymMode==ON)
fprintf(stdout,"<<< SIMMETRIC BORDER CONDITION >>>\n");
else if(Mode==0)
fprintf(stdout,"<<< LEFT BORDER CONDITION >>>\n");
else if(Mode==(int)DimBase)
fprintf(stdout,"<<< LOADING SIGNAL >>>\n");
else fprintf(stdout,"<<< RIGHT BORDER CONDITION >>>\n");
}
if(ReadSygnal(name,Mode)==-1)
{
fputs("Error reading signal !\n\r",stderr);
return;
}
if(SymMode==ON)
{
const int Offset=2*DimBase;
register int i;
for(i=0 ; i<DimBase ; i++)
sygnal[i]=sygnal[Offset+i]=OrgSygnal[i];
}
if(prn==ON)
fprintf(stdout,"<<< SIGNAL LOADED (ASCII) >>>\n");
}
extern int FindChirp;
void SetMPP(char *opt)
{
const int OldDimBase=DimBase,OldOverSampling=OverSampling;
char *argv[MAXOPTIONS];
int argc,opcja,NewDimBase=DimBase,NewOverSampling=OverSampling;
extern void ReInitBaseSize(int,int);
StrToArgv(opt,argv,&argc); /* Konwersja na postac argv */
opterr=optind=0; sp=1;
while((opcja=Getopt(argc,argv,"C:M:E:A:B:O:P:fI:h:o:F:p:N:TS:D:Z:"))!=EOF)
{
switch(opcja)
{
case 'S':
NewOverSampling=atoi(optarg);
case 'T':
MallatDiction=ON;
DiadicStructure=ON;
break;
case 'h':
if(strcmp(optarg,"+")==0)
Heuristic=ON;
else if(strcmp(optarg,"-")==0)
Heuristic=OFF;
else
fprintf(stderr,"Bad option !\n");
break;
case 'o':
ROctave=atoi(optarg);
break;
case 'f':
RFreqency=atoi(optarg);
break;
case 'p':
RPosition=atoi(optarg);
break;
case 'N':
StartDictionSize=atoi(optarg);
Heuristic=ON;
break;
case 'I':
if(strcmp(optarg,"+")==0)
prninfo=ON;
else if(strcmp(optarg,"-")==0)
prninfo=OFF;
else
fprintf(stderr,"Bad option !\n");
break;
case 'F':
SamplingRate=atof(optarg);
break;
case 'C':
ConvRate=atof(optarg);
break;
case 'M':
OldDimRoz=atoi(optarg); /* Liczba wektorow w rozwiazaniu */
break;
case 'E':
epsylon=(float)atof(optarg);
break;
case 'A':
OldDimRoz+=atoi(optarg); /* Zwiekszanie liczby o OPT */
break;
case 'B':
(void)strcpy(outname,optarg);
if(prn==ON)
fprintf(stdout,"New \"book\" filename : %s\n",outname);
break;
case 'O':
NewDimBase=atoi(optarg);
break;
case 'D':
AdaptiveConst=(float)atof(optarg);
break;
case 'P':
if(strcmp(optarg,"on")==0 || strcmp(optarg,"+")==0)
prn=ON;
else if(strcmp(optarg,"off")==0 || strcmp(optarg,"-")==0)
prn=OFF;
else fprintf(stderr,"Incorrect parameter [on | off | + | -]\n");
break;
case 'Z':
if(strcmp(optarg,"on")==0 || strcmp(optarg,"+")==0)
FindChirp=ON;
else if(strcmp(optarg,"off")==0 || strcmp(optarg,"-")==0)
FindChirp=OFF;
else fprintf(stderr,"Incorrect parameter [on | off | + | -]\n");
break;
default:
fprintf(stderr,"Unknown option !\n");
break;
}
}
if(Heuristic==ON) /* Poprawnosc konfiguracji */
{
if(StartDictionSize>=DictionSize)
{
Heuristic=OFF;
fprintf(stderr,"Too big trial dictionary size: SIZE<%d !\n",
DictionSize);
}
else if(FastMode==OFF)
{
Heuristic=OFF;
fprintf(stderr,"Heuristic acceleration works only in FASTMODE !\n");
}
else if(DiadicStructure==OFF)
{
Heuristic=OFF;
fprintf(stderr,"Heuristic accel. works only for \"dyadic octaves\" dictionaries !\n");
}
}
if(Heuristic==OFF)
StartDictionSize=DictionSize;
if(OldDimBase!=NewDimBase || OldOverSampling!=NewOverSampling)
{
if(prn==ON)
fprintf(stdout,"<<< CHANGE OF BASE DIMENSION >>>\n\n");
ReInitBaseSize(NewDimBase,NewOverSampling);
}
if(prn==ON)
{
fprintf(stdout,"CURRENT SETTINGS:\n"
"Reconstruction accuracy %g %%\n"
"Max number of iterations %d\n"
"Signal (base) size %d\n"
"Sampling frequency %f Hz\n"
"Calibration coeff. [p/uV] %f 1/uV\n"
"Number of Gabor atoms %d\n"
"Total number of atoms %d\n"
"Oversampling %d\n"
"Adaprive dictionary parameter %g\n"
,epsylon,OldDimRoz,DimBase,
SamplingRate,ConvRate,DictionSize,
DictionSize+(3*DimBase)/2,OverSampling,AdaptiveConst);
fprintf(stdout,"Information display ");
if(prn==ON)
fprintf(stdout,"ON\n");
else if(prn==OFF) fprintf(stdout,"OFF\n");
fprintf(stdout,"Decomposition progress info ");
if(prninfo==ON)
fprintf(stdout,"ON\n");
else if(prninfo==OFF) fprintf(stdout,"OFF\n");
fprintf(stdout,"Dyadic scales (2^j) ");
if(DiadicStructure==ON)
fprintf(stdout,"ON\n");
else if(DiadicStructure==OFF) fprintf(stdout,"OFF\n");
fprintf(stdout,"Dyadic dictionary ");
if(MallatDiction==ON)
fprintf(stdout,"ON\n");
else if(MallatDiction==OFF) fprintf(stdout,"OFF\n");
fprintf(stdout,"FASTMODE ");
if(FastMode==ON)
fprintf(stdout,"ON\n");
else if(FastMode==OFF) fprintf(stdout,"OFF\n");
fprintf(stdout,"Heuristic acceleration ");
if(Heuristic==ON)
{
fprintf(stdout,"ON\n");
fprintf(stdout," Size of trial dictionary %d\n"
" Octave \"radius\" %d\n"
" Frequency --\"-- %d\n"
" Translation --\"-- %d\n",
StartDictionSize,ROctave,RFreqency,
RPosition);
}
else if(Heuristic==OFF) fprintf(stdout,"OFF\n");
fprintf(stdout,"\n");
}
FreeArgv(argv,argc);
}
void PrintBook(void) /* Wydruk parametrow atomow na ekran */
{
int i;
if(Compute==OFF)
{
fprintf(stderr,"No decomposition computed !\n");
return;
}
fprintf(stdout,"\t\t<<< CONTENT OF %s >>>\n",outname);
fprintf(stdout," NUMBER WEIGHT SCALE TRANSL. MODULATION PHASE FACT\n");
for(i=0 ; i<dimroz ; i++)
{
fprintf(stdout,"%7d %6.4f %6.2f %6.2f %6.4f %6.4f %6.2f %c\n",
book[i].numer,book[i].waga,book[i].param[0],
book[i].param[1],book[i].param[2],book[i].phase,
100.0F*book[i].Energia/E0,'%');
if(((i+1)%20)==0) pause();
}
fprintf(stdout,"\n"); fflush(stdout);
}
void TypeSignal(char *string) /* Wyswietlenie informacji o sygnale */
{
int i;
if(string!=NULL)
fprintf(stdout,"%s\n",string);
fprintf(stdout,"\t <<< ORIGINAL SIGNAL, RESIDUUM >>>\n\n");
for(i=0 ; i<DimBase ; i++)
{
fprintf(stdout,"\t%5d \t%12.8f \t%12.8f\n",i,OrgSygnal[i],sygnal[DimBase+i]);
if(((i+1)%22)==0) pause();
}
}
void Reset(char *string) /* Zerowanie tablicy z sygnalem */
{
const int trueDim=3*DimBase;
register int i;
if(string!=NULL && prn==1)
fprintf(stdout,"<<< RESETTING SIGNAL %s >>>\n",string);
for(i=0 ; i<trueDim ; i++)
sygnal[i]=0.0F;
for(i=0 ; i<DimBase ; i++)
OrgSygnal[i]=0.0F;
}
static float Gabor(float s,float t, float freq, float phase, float crate,int x)
{
float tmp,Amp, rt;
if(s==0.0F)
return (((float)x==t) ? ((phase>0.0) ? -1.0F : 1.0F) : 0.0F);
else if(s==(float)DimBase)
Amp=1.0F;
else
{
tmp=(((float)x)-t)/s;
Amp=exp(-M_PI*SQR(tmp));
}
rt = ((float)x)-t;
return Amp*cos((rt)*(freq + (rt)*crate)+phase);
}
/* Zamiana fazy w konwencji Mallata na faze w konwencji HMPP */
static double HmppPhase(double freq,double position,double phase)
{
const double pi2=2.0*M_PI;
double RawPhase=(phase<0.0) ? pi2+phase : phase;
RawPhase+=freq*position;
return RawPhase-pi2*floor(RawPhase/pi2);
}
/* Zamiana fazy w konwencji HMPP na faze w konwencji Mallata */
static double MppPhase(double freq,double position,double phase)
{
const double RawPhase=phase-freq*position,pi2=2.0*M_PI,
NewPhase=RawPhase-pi2*floor(RawPhase/pi2);
return (NewPhase>=M_PI) ? NewPhase-pi2 : NewPhase;
}
void Rekonstrukcja(void)
{
float sum,*Baza;
int i,j;
if(prn==ON)
fprintf(stdout,"<<< RECONSTRUCTING SIGNAL FROM A \"BOOK\" >>>\n");
if((Baza=MakeVector(DimBase))==NULL)
{
fputs("Not enough memory for base vector (LoadBook)\n\r",stderr);
return;
}
for(i=0 ; i<DimBase ; i++) /* reszta staje sie zerowa */
sygnal[DimBase+i]=OrgSygnal[i]=0.0F; /* zakladamy rzeczywisty==rekonstruowany */
for(i=0 ; i<dimroz ; i++)
{
sum=0.0F;
for(j=0 ; j<DimBase ; j++)
{
Baza[j]=Gabor(book[i].param[0],book[i].param[1],
book[i].param[2],book[i].phase,book[i].param[3], j);
sum+=SQR(Baza[j]);
}
sum=book[i].waga/(float)sqrt(sum);
for(j=0 ; j<DimBase ; j++)
OrgSygnal[j]+=sum*Baza[j]; /* rekonstrukcja "orginalu" */
}
FreeVector(Baza);
}
int LoadBookStatus;
void LoadBook(char *opt) /* Zaladowanie ksiazki do analizy */
{ /* dotyczy tylko modulow zewnetrznych */
char *argv[MAXOPTIONS],filename[STRING]; /* bez algorytmu MP */
int argc,opcja,offset=0,ok=0,TmpDimRoz,i,RekStatus=0;
float df;
FILE *plik;
HEADER head;
ATOM atom;
LoadBookStatus=Compute=OFF;
StrToArgv(opt,argv,&argc); /* Konwersja na postac argv */
opterr=optind=0; sp=1;
while((opcja=Getopt(argc,argv,"O:#:L"))!=EOF)
switch(opcja) {
case '#':
offset=atoi(optarg);
break;
case 'O':
(void)strcpy(filename,optarg);
ok=1;
break;
case 'L':
RekStatus=1;
break;
default:
fprintf(stderr,"Unknown option !\n");
FreeArgv(argv,argc);
return;
}
FreeArgv(argv,argc);
if(ok==0)
{
fprintf(stderr,"\"Book\" filename not given\n");
return;
}
if(prn==ON)
fprintf(stdout,"<<< LOADING \"BOOK\" >>>\n");
if((plik=fopen(filename,"rb"))==NULL)
{
fprintf(stderr,"Missing file %s !\n",filename);
return;
}
if(SetActualBook(offset,plik)==-1)
{
fprintf(stderr,"Error setting position %d\n",offset);
fclose(plik);
return;
}
if(ReadHeader(&head,plik)==-1)
{
fprintf(stderr,"Cannot read header\n");
fclose(plik);
return;
}
TmpDimRoz=head.book_size;
if(head.signal_size!=DimBase)
fprintf(stderr,"Warning !! dimensions of signal (%d) and base (%d) differ\n"
,head.signal_size,DimBase);
if(book!=NULL)
free((void *)book);
if((book=(BOOK *)malloc((unsigned)(TmpDimRoz+1)*sizeof(BOOK)))==NULL)
{
fputs("Cannot allocate memory for \"book\"\n\r",stderr);
return;
}
df=0.5F*(float)DimBase/(float)M_PI;
Ec=0.0F;
for(i=0 ; i<TmpDimRoz ; i++) /* Lodowanie atomow */
{
if(ReadAtom(&atom,plik)==-1)
{
fprintf(stderr,"Error reading atom !\n");
fclose(plik);
return;
}
book[i].numer=i; /* Z uwagi na format pliku z ksiazka (konwersja int na short) */
book[i].waga=atom.modulus; /* po zaladowaniu piszemy tylko numery porzadkowe */
book[i].phase=atom.phase;
book[i].amplitude=atom.amplitude;
book[i].param[0]=(float)(1U << atom.octave);
book[i].param[1]=(float)atom.position;
book[i].param[2]=(float)atom.frequency/df; /* Zapis ksiazek w konwencji Mallata */
book[i].phase=HmppPhase(book[i].param[1],book[i].param[2],
book[i].phase);
Ec+=(book[i].Energia=SQR(book[i].waga));
}
fclose(plik);
dimroz=TmpDimRoz; /* Nowy rozmiar rozwiazania */
E0=head.signal_energy; /* Energia sygnalu */
if(RekStatus==1) /* Rekonstrukcja wektora "Orginalnego" */
Rekonstrukcja();
LoadBookStatus=Compute=ON;
if(prn==ON)
fprintf(stdout,"<<< %d ATOMS LOADED >>>\n",dimroz);
}
void LoadNewBook(char *opt) { /* Ladowanie nowej ksiazki */
char *argv[MAXOPTIONS],filename[STRING];
int argc,opcja,offset=0,ok=0,TmpDimRoz,i,RekStatus=0;
float df;
FILE *plik;
FILE_HEADER file_header;
SEG_HEADER head;
NEW_ATOM atom;
initField(&file_header);
LoadBookStatus=Compute=OFF;
StrToArgv(opt,argv,&argc);
opterr=optind=0; sp=1;
while((opcja=Getopt(argc,argv,"O:#:L"))!=EOF)
switch(opcja) {
case '#':
offset=atoi(optarg);
break;
case 'O':
(void)strcpy(filename,optarg);
ok=1;
break;
case 'L':
RekStatus=1;
break;
default:
fprintf(stderr,"Unknown option !\n");
FreeArgv(argv,argc);
freeAllFields(&file_header);
return;
}
FreeArgv(argv,argc);
if(ok==0) {
freeAllFields(&file_header);
fprintf(stderr,"\"Book\" filename not given\n");
return;
}
if(prn==ON)
fprintf(stdout,"<<< LOADING A \"BOOK\" >>>\n");
if((plik=fopen(filename,"rb"))==NULL) {
freeAllFields(&file_header);
fprintf(stderr,"Missing file %s !\n",filename);
return;
}
if(checkBookVersion(plik)==-1) {
freeAllFields(&file_header);
fclose(plik);
LoadBook(opt);
return;
}
if(ReadFileHeader(&file_header,plik)==-1) {
freeAllFields(&file_header);
fprintf(stderr,"Cannot read header !\n");
fclose(plik);
return;
}
if(setBookPosition(offset,plik)==-1) {
freeAllFields(&file_header);
fprintf(stderr,"Error setting position %d\n",offset);
fclose(plik);
return;
}
if(prn==ON) {
decomposition_info *dec_ptr=getDecompPtr(&file_header);
signal_info *sig_ptr;
char *ptr;
fprintf(stdout,"<<< BOOK HEADER >>>\n\n");
fprintf(stdout,"Energy percent : %5.3f\n"
"Max iteration : %d\n"
"Dictionary size : %d\n"
"Dictionary type : %c\n",
dec_ptr->energy_percent,
dec_ptr->max_number_of_iterations,
dec_ptr->dictionary_size,
dec_ptr->dictionary_type);
sig_ptr=getSignalPtr(&file_header);
fprintf(stdout,"Sampling freq. : %f\n"
"Points per microvolt: %f\n"
"Number of channels : %d\n",
sig_ptr->sampling_freq,
sig_ptr->points_per_microvolt,
sig_ptr->number_of_chanels_in_file);
if((ptr=getTextPtr(&file_header))!=NULL)
fprintf(stdout,"Text : %s\n",ptr);
if((ptr=getDatePtr(&file_header))!=NULL)
fprintf(stdout,"Date : %s\n",ptr);
}
freeAllFields(&file_header);
if(ReadSegmentHeader(&head,plik)==-1) {
fprintf(stderr,"Cannot read segment header !\n");
fclose(plik);
return;
}
if(prn==ON) {
fprintf(stdout,"Channel : %d\n",head.channel);
}
TmpDimRoz=head.book_size;
if(head.signal_size!=DimBase)
fprintf(stderr,"Warning! Dimensions of signa (%d) and base (%d) differ\n"
,head.signal_size,DimBase);
if(book!=NULL)
free((void *)book);
if((book=(BOOK *)malloc((unsigned)(TmpDimRoz+1)*sizeof(BOOK)))==NULL) {
fputs("Cannot allocate memory for \"book\"\n\r",stderr);
fclose(plik);
return;
}
df=0.5F*(float)DimBase/(float)M_PI;
Ec=0.0F;
for(i=0 ; i<TmpDimRoz ; i++) {
if(ReadNewAtom(&atom,plik)==-1) {
fprintf(stderr,"Error reading atom [%d] !\n",i);
fclose(plik);
return;
}
book[i].numer=i;
book[i].waga=atom.modulus;
book[i].phase=atom.phase;
book[i].amplitude=atom.amplitude;
book[i].param[0]=atom.scale;
book[i].param[1]=atom.position;
book[i].param[2]=atom.frequency/df;
Ec+=(book[i].Energia=SQR(book[i].waga));
}
fclose(plik);
dimroz=TmpDimRoz;
E0=head.signal_energy;
if(RekStatus==1)
Rekonstrukcja();
LoadBookStatus=Compute=ON;
if(prn==ON)
fprintf(stdout,"<<< %d ATOMS LOADED >>>\n",dimroz);
}
void WriteAllSignal(char *opt) /* Zapis calosci sygnalu do pliku */
{
char filename[STRING]="signal.asc",*argv[MAXOPTIONS];
int i,opcja,argc,All=OFF,Size,orgsig=OFF;
FILE *stream;
StrToArgv(opt,argv,&argc);
opterr=optind=0; sp=1;
while((opcja=Getopt(argc,argv,"O:ax"))!=EOF)
switch(opcja) {
case 'x':
orgsig=ON;
break;
case 'O':
(void)strcpy(filename,optarg);
break;
case 'a':
All=ON;
break;
default:
fprintf(stderr,"Bad option !\n");
FreeArgv(argv,argc);
return;
}
FreeArgv(argv,argc);
if((stream=fopen(filename,"wt"))==NULL)
{
fprintf(stderr,"Cannot open file %s !\n",filename);
return;
}
if(All==ON)
{
Size=3*DimBase;
for(i=0 ; i<Size ; i++)
fprintf(stream,"%d %g\n",i,sygnal[i]);
}
else if(orgsig==OFF)
{
Size=2*DimBase;
for(i=DimBase ; i<Size ; i++)
fprintf(stream,"%d %g\n",i-DimBase,sygnal[i]);
}
else
{
for(i=0 ; i<DimBase ; i++)
fprintf(stream,"%d %g\n",i,OrgSygnal[i]);
}
fclose(stream);
}
static double NormGabor(register int n,double alpha,double freq,double phase)
{
register int i; /* Wyznaczenie odwrotnosci normy funkcji Gabora */
const double Sin=sin(freq),Cos=cos(freq),CosPhase=cos(phase),
SinPhase=sin(phase),ConstExp=exp(-alpha),ConstStep=SQR(ConstExp);
double OldSin=0.0,OldCos=1.0,NewCos,dtmp,dtmp2,
OldExp=1.0,Factor=ConstExp,sum=SQR(CosPhase);
for(i=0 ; i<n ; i++)
{
NewCos=OldCos*Cos-OldSin*Sin; /* "Tablica" SIN i COS */
OldSin=OldCos*Sin+OldSin*Cos;
OldCos=NewCos;
OldExp*=Factor; /* Exp(-alpha*i^2) */
Factor*=ConstStep;
dtmp=OldExp*CosPhase*NewCos;
dtmp2=OldExp*SinPhase*OldSin;
sum+=SQR(dtmp-dtmp2)+SQR(dtmp+dtmp2); /* Sumy kwadratow + symetrie */
}
return 1.0/sqrt(sum); /* Odwrotnosc normy */
}
static float MakeAmplitude(ATOM *atoms)
{
const double CONSTEPS=2.965674828188878;
const int s=1U << atoms->octave,halfsignal=DimBase/2;
double freq,newphase; /* Wyznaczenie amplitudy atomu Gabora + COS + Dirac */
int width;
if(atoms->octave==0) /* Dirac */
return 1.0F;
if((DimBase==s) && ((atoms->frequency==0) ||
(atoms->frequency==halfsignal)))
return 1.0F/DimBase; /* stala */
if((atoms->frequency==0) || (atoms->frequency==halfsignal))
return (float)(sqrt(M_SQRT2/(double)s)); /* Gauss */
if(DimBase==s) /* cosinus */
return (float)(2.0*M_SQRT2/sqrt(DimBase));
width=(int)((double)s*CONSTEPS);
if(width>halfsignal)
width=halfsignal; /* Amplituda pozostalych Gaborow */
freq=2.0*M_PI*((double)atoms->frequency/(double)DimBase);
newphase=HmppPhase(freq,atoms->position,atoms->phase);
return NormGabor(width,M_PI/SQR((double)s),freq,newphase);
}
static float MakeNewAmplitude(NEW_ATOM *atoms) {
const double CONSTEPS=2.965674828188878;
const int s=atoms->scale,halfsignal=DimBase/2;
double freq,newphase;
int width;
if(s==0)
return 1.0F;
if((DimBase==s) &&
((atoms->frequency==0) ||
(atoms->frequency==halfsignal)))
return 1.0F/DimBase;
if((atoms->frequency==0) || (atoms->frequency==halfsignal))
return (float)(sqrt(M_SQRT2/(double)s));
if(DimBase==s)
return (float)(2.0*M_SQRT2/sqrt(DimBase));
width=(int)((double)s*CONSTEPS);
if(width>halfsignal)
width=halfsignal;
freq=2.0*M_PI*((double)atoms->frequency/(double)DimBase);
newphase=HmppPhase(freq,atoms->position,atoms->phase);
return NormGabor(width,M_PI/SQR((double)s),freq,newphase);
}
void SaveAllAtoms(char *opt) /* Zapis ksiazki */
{
char *argv[MAXOPTIONS],name[STRING]="book.b",tryb[5]="wb";
HEADER head;
ATOM atom;
FILE *plik;
float df;
int i,opcja,argc;
if(Compute==OFF)
{
fprintf(stderr,"No decomposition computed !\n");
return;
}
if(prn==ON)
fprintf(stdout,"<<< SAVING \"BOOK\" of fitted atom's parameters >>>\n");
(void)strcpy(name,outname);
StrToArgv(opt,argv,&argc); /* Konwersja na postac argv */
opterr=optind=0; sp=1;
while((opcja=Getopt(argc,argv,"S:A:sa"))!=EOF)
switch(opcja) {
case 'S':
(void)strcpy(name,optarg);
case 's':
(void)strcpy(tryb,"wb"); /* Utworzenie nowego pliku */
break;
case 'A':
(void)strcpy(name,optarg);
case 'a':
(void)strcpy(tryb,"a+b");
break;
default:
fprintf(stderr,"Unknown option !\n");
FreeArgv(argv,argc);
return;
}
FreeArgv(argv,argc);
if((plik=fopen(name,tryb))==NULL)
{
fprintf(stderr,"Cannot open file %s (%s)\n",name,tryb);
return;
}
head.file_offset=(short)file_offset;
head.book_size=(short)dimroz;
head.signal_size=DimBase;
head.signal_energy=E0;
head.book_energy=Ec;
head.points_per_micro_V=ConvRate; /* Wskaznik konwersji */
head.FREQUENCY=SamplingRate; /* Modyfikacja zapisu ksiazki */
if(WriteHeader(&head,plik)==-1)
return;
df=0.5F*DimBase/M_PI;
for(i=0 ; i<dimroz ; i++)
{
atom.number_of_atom_in_book=(short)i;
atom.modulus=book[i].waga;
if(book[i].param[0]==0.0F)
atom.octave=0;
else
atom.octave=Log2(book[i].param[0]);
atom.position=(short)(book[i].param[1]);
atom.frequency=(short)(0.5F+df*book[i].param[2]);
atom.phase=MppPhase(book[i].param[1],book[i].param[2],
book[i].phase); /* Zapis ksiazek w konwencji Mallata */
atom.type=0; /* Dla slownika Gabora */
if(book[i].amplitude<0.0)
book[i].amplitude=MakeAmplitude(&atom);
atom.amplitude=book[i].waga/(book[i].amplitude*ConvRate);
if(WriteAtom(&atom,plik)==-1)
{
fclose(plik);
return;
}
}