Je me sens seul

opti.c

 #include "opti.h"
+int LINE_POINTS = 1000000;
+int CLOUD_POINTS = 1000;
+double X_VALUE = 0.000001;
+double RANDOMNESS = 0.01;
 
-// droite
-// aléatoire "autour" de la droite
-//f(x) = pente *xj + ordonnee + rj   (rj doit être petit)
 
-// y(x) = ax+b;
-
-int main (void){
+// y(x)=ax+b
+Point* line(double a, double b){
+    Point * points = (Point*)malloc(sizeof(Point)*LINE_POINTS);
+    double x = 0.0;
+    for(int i=0;i<LINE_POINTS-1;i++){
+        Point d;
+        d.x = x;
+        d.y = (a*x)+b;
+        points[i]=d;
+        //printf("%lf, %lf", d.x, d.y);
+        x+=X_VALUE;
+    }
+    return points;
+}
 
+double double_random(double min, double max) 
+{
+    double my_random;
+    my_random = (double)rand()/RAND_MAX*(max-min)+min;
+    //printf ( "%f\n", my_random);
     
+    return my_random;
+}
 
+Point* cloud(Point* a_line){
+    Point * my_cloud = (Point*)malloc(sizeof(Point)*CLOUD_POINTS);
+    for(int i=0;i<CLOUD_POINTS-1;i++){
+        Point chosen_point = a_line[rand()%LINE_POINTS-1];
+        double new_y = double_random(chosen_point.y-RANDOMNESS, chosen_point.y+RANDOMNESS);
+        my_cloud[i].x=chosen_point.x;
+        my_cloud[i].y=new_y;
+        printf("\nx = %f | y = %f\n", my_cloud[i].x,my_cloud[i].y);
+    }
+    return my_cloud;
+}
 
+int main (void){
+    srand ( time ( NULL));
+    Point* first_line = line(7.0, 5.5);
+    cloud(first_line);
+    printf("\ndone\n");
     return 0;
 }
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opti.h

 #ifndef _OPTI_H_
 #define _OPTI_H_
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <time.h>
 
 
 
+typedef struct Point Point;
+
+struct Point 
+{
+   double x, y;
+};
+
+Point* line(double a, double b);
+double double_random(double min, double max);
+Point* cloud(Point* a_line);
+
 #endif
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