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From desruisse...@apache.org
Subject [sis] branch geoapi-4.0 updated (7d277eb -> aacd07f)
Date Fri, 02 Aug 2019 17:55:03 GMT
This is an automated email from the ASF dual-hosted git repository.

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


    from 7d277eb  Take flattening in account when computing (∂y/∂φ)⁻¹.
     new 4b6bb5f  Omit redundant sinα0 field.
     new 6baf41f  Convenience method for repeating a character at the end of a StringBuilder.
     new aacd07f  Create a ClenshawSummation helper class for applying the Clenshaw summation
technic (recommended by Karney) on Karney equation 25. This technic has been applied in other
places in Apache SIS since it happen often in map projections. Before this class, we used
an OpenOffice spreadsheet for performing this summation. But Karney equation 25 is more difficult
because of its dependency to another term, the third flattening factor. Using an OpenOffice
spreadsheet was no longer [...]

The 3 revisions listed above as "new" are entirely new to this
repository and will be described in separate emails.  The revisions
listed as "add" were already present in the repository and have only
been added to this reference.


Summary of changes:
 .../apache/sis/internal/referencing/Formulas.java  |   5 +-
 .../sis/referencing/GeodesicsOnEllipsoid.java      |  86 ++--
 .../sis/referencing/operation/matrix/Matrices.java |   5 +-
 .../operation/projection/package-info.java         |   6 +-
 .../apache/sis/referencing/ClenshawSummation.java  | 444 +++++++++++++++++++++
 .../main/java/org/apache/sis/io/TableAppender.java |   5 +-
 .../java/org/apache/sis/util/StringBuilders.java   |  31 +-
 7 files changed, 535 insertions(+), 47 deletions(-)
 create mode 100644 core/sis-referencing/src/test/java/org/apache/sis/referencing/ClenshawSummation.java


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