Flute acoustics: measurement, modelling and design - School of ...

APPENDIX B. PROGRAM LISTINGS 207
/*
AnalyseNotes.c
By Andrew Botros, 2004
Modified by Paul Dickens, 2006
Listing B.3: AnalyseNotes.c
Analyses acoustic impedance spectra for playable notes.
*/
#include
#include
#include "Analysis.h"
int parseCommandLine(int argc, char** argv, int* displayharmonicity,
char** filename);
int main(int argc, char **argv) {
int displayharmonicity;
/* do not apply the pitch correction */
int applypitchcorrection = 0;
char* filename;
/* check correct usage */
if(!parseCommandLine(argc, argv, &displayharmonicity, &filename)) {
fprintf(stdout,
"Usage: AnalyseNotes [OPTIONS] \n\n");
fprintf(stderr, " Options:\n");
fprintf(stderr, "\t-h (Displays harmonicity data)\n\n");
return -1;
}
/* perform analysis on impedance data file */
Analysis(filename, applypitchcorrection, displayharmonicity, NOTES);
return 0;
}
int parseCommandLine(int argc, char** argv, int* displayharmonicity,
char** filename) {
int i;
int hflag = 0;
int numoptions = 1, numinputfiles = 1;
int minargc = 1 + numinputfiles;
int maxargc = minargc + numoptions;
/* Check correct number of parameters */
if((argc < minargc) || (argc > maxargc))
return 0;
/* Set default options */
*displayharmonicity = 0;
/* Check and set options */
for(i = 1; i < (argc - numinputfiles); i++) {
if(strcmp(argv[i], "-h") == 0) {
if(hflag)
return 0;
*displayharmonicity = 1;
hflag = 1;