visualizations

Programmatic visualizations
git clone git://git.laack.co/visualizations.git
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edge.c (690B)

      1 #include "edge.h"
      2 #include "util.h"
      3 #include <stdlib.h>
      4 #include <stdio.h>
      5 
      6 void print_edge(Edge *e) {
      7     printf("v1.x = %i, v1.y = %i\nv2.x = %i, v2.y = %i", e->v1->x, e->v1->y, e->v2->x, e->v2->y);
      8 }
      9 
     10 Edge gen_edge(int idx1, int idx2, Vertex* vertices) {
     11     Edge e;
     12     e.v1 = &vertices[idx1];
     13     e.v2 = &vertices[idx2];
     14     return e;
     15 }
     16 
     17 Edge* gen_edges(Vertex* vertices, int vtCount, int edgeCount) {
     18     Edge* edges = (Edge*)malloc(sizeof(Edge) * edgeCount);
     19     for(int i = 0; i < edgeCount; ++i) {
     20         int idx1 = choose_random(vtCount);
     21         int idx2 = choose_random(vtCount);
     22         Edge e = gen_edge(idx1,idx2, vertices);
     23         edges[i] = e;
     24     }
     25     return edges;
     26 
     27 }