Merge pull request phayes#101 from namemsile/master

Floating point precision
abdonor · Jun 29, 2015 · 3e37b19 · 3e37b19
2 parents 211b7a5 + b198ec7
commit 3e37b19
Showing 1 changed file with 6 additions and 1 deletion.
diff --git a/lib/geometry/Point.class.php b/lib/geometry/Point.class.php
@@ -163,7 +163,12 @@ public function equals($geometry) {
       return FALSE;
     }
     if (!$this->isEmpty() && !$geometry->isEmpty()) {
-      return ($this->x() == $geometry->x() && $this->y() == $geometry->y());
+      /**
+       * @see: http://php.net/manual/en/function.bccomp.php
+       * @see: http://php.net/manual/en/language.types.float.php
+       * @see: http://tubalmartin.github.io/spherical-geometry-php/#LatLng
+       */
+      return (abs($this->x() - $geometry->x()) <= 1.0E-9 && abs($this->y() - $geometry->y()) <= 1.0E-9);
     }
     else if ($this->isEmpty() && $geometry->isEmpty()) {
       return TRUE;