jaunes

HolidayTrip/Fundamentals/radar/Makefile

@@ -0,0 +1,15 @@
+CC=gcc
+SRC = radar.c main.c
+CFLAGS= -Wall -Wextra -Werror 
+LDFLAGS= -fsanitize=address -g -lm
+
+# Computes the basic main for tests
+main: ${SRC} 
+	gcc $(CFLAGS) $^ -o main -lm
+
+#Check for memory errors/leaks and to use gdb
+debug: ${SRC} 
+	gcc $(CFLAGS) $^ -o debug $(LDFLAGS)
+
+clean:
+	$(RM) main debug 

HolidayTrip/Fundamentals/radar/main.c

@@ -0,0 +1,43 @@
+#include <stdio.h>
+
+#include "radar.h"
+
+int main(){
+    // compute_distance
+    struct point p1 = { 0.0, 0.0 };
+    struct point p2 = { 3.0, 4.0 };
+
+    double dist = compute_distance(p1, p2);
+    printf("Distance: %.2f\n", dist);
+
+    // is_in_area
+    struct point center = { 5.0, 5.0 };
+    double radius = 3.0;
+
+    struct point inside_point = { 7.0, 7.0 };
+    struct point outside_point = { 9.0, 9.0 };
+
+    int inside = is_in_area(center, radius, inside_point);
+    int outside = is_in_area(center, radius, outside_point);
+
+    printf("Inside: %d\n", inside);
+    printf("Outside: %d\n", outside);
+
+    // detect_points
+    center.x = 10.0;
+    center.y = 10.0;
+    double range = 5.0;
+
+    struct point points[] = {
+        { 11.0, 11.0 },
+        { 10.0, 10.0 },
+        { 20.0, 20.0 },
+        { 14.0, 13.0 }
+    };
+
+    size_t size = sizeof(points) / sizeof(struct point);
+
+    size_t found = detect_points(center, range, points, size);
+    printf("Total found: %zu\n", found);
+
+}

HolidayTrip/Fundamentals/radar/radar.c

@@ -0,0 +1,31 @@
+#include "radar.h"
+#include <stddef.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+
+double compute_distance(struct point a, struct point b){
+   
+    return sqrt( pow((b.x - a.x),2) + pow((b.y - a.y),2) );
+}
+
+int is_in_area(struct point center, double radius, struct point point){
+
+    int rslt = compute_distance(center, point);
+
+    if(rslt > radius) return 0;
+    return 1;
+}
+
+size_t detect_points(struct point center, double range, struct point *interesting_points, size_t nb_points){
+
+    size_t found = 0;
+    for(size_t i = 0; i < nb_points; i++){
+
+        if(is_in_area(center, range,interesting_points[i]) == 1){ 
+            printf("{ %f, %f }\n",interesting_points[i].x, interesting_points[i].y);
+            found ++;
+        }
+    }
+    return found;
+}

HolidayTrip/Fundamentals/radar/radar.h

@@ -0,0 +1,16 @@
+#ifndef RADAR_H
+#define RADAR_H
+#include <stdio.h>
+
+struct point
+{
+    double x;
+    double y;
+};
+
+double compute_distance(struct point a, struct point b);
+int is_in_area(struct point center, double radius, struct point point);
+size_t detect_points(struct point center, double range, struct point* interesting_points, size_t nb_points);
+
+
+#endif