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

APPENDIX B. PROGRAM LISTINGS 214
}
}
}
}
}
int noteDistance(Minimum m1, Minimum m2, Vector playableminv) {
int i;
Minimum m;
int posm1 = -1, posm2 = -1;
/* find the positions of each minimum in vector */
for(i = 0; i < sizeVector(playableminv); i++) {
m = (Minimum)elementAt(playableminv, i);
if(m == m1)
posm1 = i;
if(m == m2)
posm2 = i;
}
/* check for an invalid condition */
if((posm1 == -1) || (posm2 == -1) || (posm1 >= posm2))
return -1;
else
return (posm2 - posm1);
}
int pitchIndex(Vector minv) {
int i;
Minimum m;
int index = 0;
/* calculate sum of squares of cents */
for(i = 0; i < sizeVector(minv); i++) {
m = (Minimum)elementAt(minv, i);
index = index + (m->note->cents)*(m->note->cents);
}
return index;
}
char* allNotes(Vector playableminv) {
int i;
Minimum m;
char* all_notes = (char*)malloc(BUFSIZ*sizeof(char));
/* for each note that is playable, concatenate into
one string delimited by a ';' */
for(i = 0; i < sizeVector(playableminv); i++) {
m = (Minimum)elementAt(playableminv, i);
if(i == 0)
sprintf(all_notes, noteString(m->note));
else {
strcat(all_notes, ";");
strcat(all_notes, noteString(m->note));
}
}
/* return concatenated string */
return all_notes;
}
int harmonic(Minimum m1, Minimum m2, Vector playableminv) {
int i;