ardupilot/libraries/AP_Math/examples/polygon/polygon.pde

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/// -*- tab-width: 4; Mode: C++; c-basic-offset: 4; indent-tabs-mode: nil -*-
//
// Unit tests for the AP_Meta_class and AP_Var classes.
//
#include <FastSerial.h>
#include <AP_Common.h>
#include <AP_Math.h>
FastSerialPort(Serial, 0);
/*
this is the boundary of the 2010 outback challenge
Note that the last point must be the same as the first for the
Polygon_outside() algorithm
*/
static const Vector2f OBC_boundary[] = {
Vector2f(-26.569564000, 151.837373000),
Vector2f(-26.569956000, 151.839405000),
Vector2f(-26.576823000, 151.841142000),
Vector2f(-26.577308000, 151.840344000),
Vector2f(-26.581511000, 151.841950000),
Vector2f(-26.578486000, 151.847469000),
Vector2f(-26.599489000, 151.852886000),
Vector2f(-26.609211000, 151.874742000),
Vector2f(-26.645478000, 151.882053000),
Vector2f(-26.643572000, 151.830350000),
Vector2f(-26.587599000, 151.834405000),
Vector2f(-26.569564000, 151.837373000)
};
static const struct {
Vector2f point;
bool outside;
} test_points[] = {
{ Vector2f(-26.639887, 151.822281), true },
{ Vector2f(-26.641870, 151.870926), false },
{ Vector2f(-35.0, 149.0), true },
{ Vector2f(0, 0), true },
{ Vector2f(-26.576815, 151.840825), false },
{ Vector2f(-26.577406, 151.840586), true },
};
#define ARRAY_LENGTH(x) (sizeof((x))/sizeof((x)[0]))
/*
polygon tests
*/
void setup(void)
{
unsigned i, count;
bool all_passed = true;
uint32_t start_time;
Serial.begin(115200);
Serial.println("polygon unit tests\n");
if (!Polygon_complete(OBC_boundary, ARRAY_LENGTH(OBC_boundary))) {
Serial.println("OBC boundary is not complete!");
all_passed = false;
}
if (Polygon_complete(OBC_boundary, ARRAY_LENGTH(OBC_boundary)-1)) {
Serial.println("Polygon_complete test failed");
all_passed = false;
}
for (i=0; i<ARRAY_LENGTH(test_points); i++) {
bool result;
result = Polygon_outside(&test_points[i].point, OBC_boundary, ARRAY_LENGTH(OBC_boundary));
Serial.printf_P(PSTR("%10f,%10f %s %s\n"),
test_points[i].point.x, test_points[i].point.y,
result?"OUTSIDE":"INSIDE ",
result == test_points[i].outside?"PASS":"FAIL");
if (result != test_points[i].outside) {
all_passed = false;
}
}
Serial.println(all_passed?"TEST PASSED":"TEST FAILED");
Serial.println("Speed test:");
start_time = micros();
for (count=0; count<1000; count++) {
for (i=0; i<ARRAY_LENGTH(test_points); i++) {
bool result;
result = Polygon_outside(&test_points[i].point, OBC_boundary, ARRAY_LENGTH(OBC_boundary));
if (result != test_points[i].outside) {
all_passed = false;
}
}
}
Serial.printf("%u usec/call\n", (unsigned)((micros() - start_time)/(count*ARRAY_LENGTH(test_points))));
Serial.println(all_passed?"ALL TESTS PASSED":"TEST FAILED");
}
void
loop(void)
{
}