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

298 APPENDIX B. PROGRAM LISTINGS
/*
Point.h
By Andrew Botros, 2001-2004
Listing B.24: Point.c
A data point ADT.
*/
#include
#include
#include
#include "Point.h"
void printPoint(Point p) {
printf("(%.2f,%.2f)", p->x, p->y);
return;
}
void printImpedancePoint(Point p) {
printf("%.2f\t%.2f\n", p->x, p->y);
return;
}
Point parseImpedancePoint(char* line, int series) {
Point p = (Point)malloc(sizeof(*p));
char* delimiters = " \t";
char* token;
int n;
/* Parse x value */
token = strtok(line, delimiters);
if(token != NULL)
p->x = atof(token);
else
return NULL;
/* Parse y value */
for (n = 0; n < series; n++)
token = strtok(NULL, delimiters);
if(token != NULL && token != "\n") {
p->y = atof(token);
}
else
return NULL;
return p;
}