Changeset 13598 in josm for trunk/src/org/openstreetmap/josm/data/projection/proj/AbstractProj.java

Timestamp:

2018-04-05T19:03:04+02:00 (6 years ago)

Author:

Don-vip

Message:

see #16129 - add new projections and support for new format of ESRI file

File:

• trunk/src/org/openstreetmap/josm/data/projection/proj/AbstractProj.java (modified) (1 diff)

trunk/src/org/openstreetmap/josm/data/projection/proj/AbstractProj.java

@@ -155 +155 @@
     }
 
+    /**
+     * Tolerant asin that will just return the limits of its output range if the input is out of range
+     * @param v the value whose arc sine is to be returned.
+     * @return the arc sine of the argument.
+     */
+    protected final double aasin(double v) {
+        double av = Math.abs(v);
+        if (av >= 1.) {
+            return (v < 0. ? -Math.PI / 2 : Math.PI / 2);
+        }
+        return Math.asin(v);
+    }
+
     // Iteratively solve equation (7-9) from Snyder.
     final double cphi2(final double ts) {