[sis] branch geoapi-4.0 updated: Fix a `NullPointerException` when user is interrested only in the derivative.

[desruisseaux]

This is an automated email from the ASF dual-hosted git repository.

desruisseaux pushed a commit to branch geoapi-4.0
in repository https://gitbox.apache.org/repos/asf/sis.git


The following commit(s) were added to refs/heads/geoapi-4.0 by this push:
     new 99c87cf118 Fix a `NullPointerException` when user is interrested only 
in the derivative.
99c87cf118 is described below

commit 99c87cf118f162288f6dc018a4a10920e1e7b46b
Author: Martin Desruisseaux <martin.desruisse...@geomatys.com>
AuthorDate: Sat Aug 20 16:37:59 2022 +0200

    Fix a `NullPointerException` when user is interrested only in the 
derivative.
---
 .../sis/referencing/operation/projection/LongitudeWraparound.java | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git 
a/core/sis-referencing/src/main/java/org/apache/sis/referencing/operation/projection/LongitudeWraparound.java
 
b/core/sis-referencing/src/main/java/org/apache/sis/referencing/operation/projection/LongitudeWraparound.java
index 98da9b1472..b6bc79ab9a 100644
--- 
a/core/sis-referencing/src/main/java/org/apache/sis/referencing/operation/projection/LongitudeWraparound.java
+++ 
b/core/sis-referencing/src/main/java/org/apache/sis/referencing/operation/projection/LongitudeWraparound.java
@@ -183,11 +183,15 @@ final class LongitudeWraparound extends 
AbstractMathTransform2D implements Seria
      * The wraparound is applied, if needed, on the longitude value before to 
delegate to {@link #projection}.
      */
     @Override
-    public Matrix transform(final double[] srcPts, final int srcOff,
-                            final double[] dstPts, final int dstOff, boolean 
derivate) throws TransformException
+    public Matrix transform(final double[] srcPts, final int srcOff, double[] 
dstPts, int dstOff, final boolean derivate)
+            throws TransformException
     {
         final double λ = srcPts[srcOff];
         if (negative ? λ < bound : λ > bound) {
+            if (dstPts == null) {
+                dstPts = new double[DIMENSION];
+                dstOff = 0;
+            }
             dstPts[dstOff+1] = srcPts[srcOff+1];        // Must be first.
             dstPts[dstOff  ] = λ - 2*bound;
             return projection.transform(dstPts, dstOff, dstPts, dstOff, 
derivate);