Use a fixed precision for the tests.

Author: derickr

tests/geospatial_haversine_london_edinburgh.phpt

@@ -2,6 +2,8 @@
 Check the haversine function returns the correct distance between London and Edinburgh.
 --SKIPIF--
 <?php if (!extension_loaded("geospatial")) print "skip"; ?>
+--INI--
+precision=14
 --FILE--
 <?php 
 echo haversine(51.5171, 0.1062, 55.9500, 3.2200);

tests/geospatial_haversine_polar_distance.phpt

@@ -2,6 +2,8 @@
 Check the haversine function returns the correct distance between the North and South poles, using a custom radius.
 --SKIPIF--
 <?php if (!extension_loaded("geospatial")) print "skip"; ?>
+--INI--
+precision=14
 --FILE--
 <?php 
 echo haversine(90, 0, -90, 0, 6356.7523);

tests/haversine.phpt

@@ -1,5 +1,7 @@
 --TEST--
-haversine() function  - bastic test for haversine forumla
+haversine() function - basic test for haversine forumla
+--INI--
+precision=15
 --FILE--
 <?php
 $lat1 = 39.06546;
@@ -10,4 +12,4 @@ $lon2 = -104.80;
 var_dump(haversine($lat1, $lon1, $lat2, $lon2));
 ?>
 --EXPECT--
-float(7.3785163137969)
+float(7.38469839293155)