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

APPENDIX B. PROGRAM LISTINGS 237
"\t- Length must be equal to the number of defined holes.\n");
fprintf(stderr, "\t- e.g. \"XXOOOOOOXOOOOXOOO\"\n\n");
return -1;
}
/* retrieve data structures from XML file */
if(!parseXMLFile(xml_filename, &instrument)) {
fprintf(stderr,
"Impedance error: Impedance failed to parse XML file.\n");
return -1;
}
/* set the air properties (speed of sound, density) for each
segment */
setAirProperties(instrument, temp, temp, 0, humid, X_CO2);
/* set fingering from holestring and validate */
if(!setFingering(instrument, holestring)) {
fprintf(stderr, "Impedance error: \"%s\" ", holestring);
fprintf(stderr,
"is an invalid fingering for the given woodwind definition.\n");
return -1;
}
/* for each frequency in spectrum range... */
for(f = flo; f maxargc))
return 0;
/* Set default options */
*holestring = NULL;
*temp = TEMP;
*humid = HUMID;
*flo = FLO;
*fhi = FHI;
*fres = FRES;
*entryratio = ENTRYRATIO;