TAD
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#include <stdlib.h>
#include <stdio.h>
#include <math.h>
#include "tad_r2.h"
struct ponto {
float x;
float y;
};
Ponto* cria (float x, float y) {
Ponto* p = (Ponto*) malloc(sizeof(Ponto));
if ( p == NULL) {
printf ("Memoria insuficiente\n");
exit (1);
}
p->x = x;
p->y = y;
return p;
}
void libera (Ponto* p) {
free (p);
}
void acessa (Ponto* p, float* x, float* y) {
*x = p->x;
*y = p->y;
}
void atribui (Ponto* p, float x, float y) {
p->x = x;
p->y = y;
}
float distancia (Ponto* p1, Ponto* p2) {
float dx = p2->x - p1->x;
float dy = p2->y - p1->y;
return sqrt (dx*dx + dy*dy);
}
float soma (Ponto* p1, Ponto* p2) {
float dx = p2->x + p1->x;
return dx;
}
float sub (Ponto* p1, Ponto* p2) {
float dx = p2->y - p1->y;
return dx;
}
float L1 (Ponto* p1, Ponto* p2) {
float dx = p2->x - p1->x;
float dy = p2->y - p1->y;
return (dx + dy);
}
C
INFO