blob: 7e171f058b47929b44b32569430e7476a41b8f58 [file] [log] [blame]
caryclark@google.com27accef2012-01-25 18:57:23 +00001#include "CubicIntersection.h"
2#include "Intersection_Tests.h"
3#include "Intersections.h"
4#include "QuadraticIntersection_TestData.h"
5#include "TestUtilities.h"
6
7const int firstQuadIntersectionTest = 9;
8
9void QuadraticIntersection_Test() {
10 for (size_t index = firstQuadIntersectionTest; index < quadraticTests_count; ++index) {
11 const Quadratic& quad1 = quadraticTests[index][0];
12 const Quadratic& quad2 = quadraticTests[index][1];
13 Quadratic reduce1, reduce2;
14 int order1 = reduceOrder(quad1, reduce1);
15 int order2 = reduceOrder(quad2, reduce2);
16 if (order1 < 3) {
17 printf("[%d] quad1 order=%d\n", (int) index, order1);
18 }
19 if (order2 < 3) {
20 printf("[%d] quad2 order=%d\n", (int) index, order2);
21 }
22 if (order1 == 3 && order2 == 3) {
23 Intersections intersections;
24 intersectStart(reduce1, reduce2, intersections);
25 if (intersections.intersected()) {
26 for (int pt = 0; pt < intersections.used(); ++pt) {
27 double tt1 = intersections.fT[0][pt];
28 double tx1, ty1;
29 xy_at_t(quad1, tt1, tx1, ty1);
30 double tt2 = intersections.fT[1][pt];
31 double tx2, ty2;
32 xy_at_t(quad2, tt2, tx2, ty2);
33 if (!approximately_equal(tx1, tx2)) {
34 printf("%s [%d,%d] x!= t1=%g (%g,%g) t2=%g (%g,%g)\n",
35 __FUNCTION__, (int)index, pt, tt1, tx1, ty1, tt2, tx2, ty2);
36 }
37 if (!approximately_equal(ty1, ty2)) {
38 printf("%s [%d,%d] y!= t1=%g (%g,%g) t2=%g (%g,%g)\n",
39 __FUNCTION__, (int)index, pt, tt1, tx1, ty1, tt2, tx2, ty2);
40 }
41 }
42 }
43 }
44 }
45}
46