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38 Commits

Author SHA1 Message Date
Pierre Kancir 9e927d1376 AP_Math: correct copyright, add pragma-once 2019-02-06 23:20:07 +11:00
Pierre Kancir f1270b4b22 AP_Math: const correctness 2018-12-22 08:39:06 +09:00
Peter Barker 154d771e6c AP_Math: correct compilation when running MATH_CHECK_INDEXES 2018-10-19 08:46:43 +11:00
Peter Barker fa5757f618 AP_Math: fix float-equals warnings 2018-08-15 12:16:49 +10:00
Peter Barker 626467db14 AP_Math: add tests for line intersection 2018-08-14 19:41:45 +10:00
Randy Mackay c28cfcdc27 AP_Math: add Vector2f::circle_segment_intersection 2018-01-22 17:18:41 +09:00
Randy Mackay a655c36159 AP_Math: add Vector2f::segment_intersection 2018-01-22 17:18:41 +09:00
Andrew Tridgell 3d2c4ffa79 AP_Math: allow write to indexed vector2 2018-01-15 11:46:02 +11:00
Randy Mackay db45442de2 AP_Math: remove unused angle method 2017-06-09 15:21:58 +09:00
Michael du Breuil c5c94949bf AP_Math: Extend vector2::angle(vector2) to distinguish parallel and antiparallel vectors 
There are a number of use cases where distingusihing antiparallel from parallel vectors is important
 2017-03-02 00:50:44 +00:00
Mathieu OTHACEHE 152edf7189 Global: remove mode line from headers 
Using a global .dir-locals.el file is a better alternative than
reincluding the same emacs header in every file of the project.
 2016-10-24 09:42:01 -02:00
Peter Barker 2047d53470 Math: move closest_point in from AC_Avoid 2016-07-25 20:24:37 +09:00
Peter Barker f6cb0ffb6f AP_Math: add Vector2f perpendicular 
Add closest_distance_between_radial_and_point function
 2016-07-25 20:24:37 +09:00
Peter Barker b6d0b028c3 AP_Math: add operator[] to Vector2 2016-07-25 20:24:37 +09:00
Gustavo Jose de Sousa 3b05ec1157 AP_Math: make vectors and matrix constructors constexpr 
That allows some object to be constructed at compile time.
 2016-05-16 19:08:36 -03:00
Ricardo de Almeida Gonzaga 5bd034a5a8 Global: start using cmath instead of math.h 2016-04-05 21:06:19 -07:00
Lucas De Marchi b4a8a0b961 AP_Math: replace header guard with pragma once 2016-03-16 18:40:41 +11:00
Randy Mackay 39340e70f8 Math: add Vector2 is_zero method 2015-09-16 15:10:25 +09:00
Andrew Tridgell 009913ec60 AP_Math: make is_nan const for quaternion and add .zero() for vector2 2014-02-21 20:24:47 +11:00
Andrew Tridgell 97b7130bb9 libraries: update license header to GPLv3 
we switched to GPLv3 a long time ago, but neglected to update the
per-file license headers
 2013-08-30 13:01:39 +10:00
Andrew Tridgell 5024da2695 AP_Math: fixed indent-tabs-mode 2013-05-30 09:51:51 +10:00
Andrew Tridgell 737f0305ef AP_Math: implement vector2 cross product 
useful in DCM for faster yaw correction
 2013-05-05 13:47:51 +10:00
Andrew Tridgell 43c3c60de2 AP_Math: moved a lot of vector templates to cpp from .h 
this reduces the code size quite a lot on AVR
 2013-04-12 12:48:08 +10:00
Andrew Tridgell 2d29a6a7be AP_Math: added Vector2f.angle() 
useful for calculating the vector in polar coordinates
 2013-04-12 12:48:08 +10:00
James Bielman 5631f865b2 Update floating point calculations to use floats instead of doubles. 
- Allows use of hardware floating point on the Cortex-M4.
- Added "f" suffix to floating point literals.
- Call floating point versions of stdlib math functions.
 2013-01-16 13:52:01 +11:00
Andrew Tridgell a072afa223 AP_Math: expand some macros into functions 
this saves some flash
 2012-12-20 14:52:38 +11:00
uncrustify 652b490345 uncrustify libraries/AP_Math/vector2.h 2012-08-21 19:03:34 -07:00
Andrew Tridgell 468dfe3faa AP_Math: the windows arduino build is missing acosf() 2012-07-04 14:14:58 +10:00
Andrew Tridgell dd200cba31 Math: added location functions to math library 
these do common calculations on struct Location
 2012-07-04 12:42:46 +10:00
Andrew Tridgell 62e92f406e AP_Math: make out vector and matrix elements used types with fixed sizes 
this prevents differences between CPU types
 2011-12-16 20:09:11 +11:00
DrZiplok@gmail.com 75e78dabae Back out the memset optimisation. It helps with code size but causes inexplicable link-time failures (undefined references to __cxa_pure_virtual). 
Thank you very much Mr GCC.  Can I have my evening back?


git-svn-id: https://arducopter.googlecode.com/svn/trunk@1352 f9c3cf11-9bcb-44bc-f272-b75c42450872
 2010-12-29 03:09:29 +00:00
DrZiplok@gmail.com 290635b354 Minor code size optimisation; use memset to zero *this rather than explicitly assigning zero to the vector elements. Still not quite optimal for matrix3 as it gets three memsets, but still cheaper in terms of code size. 
git-svn-id: https://arducopter.googlecode.com/svn/trunk@1212 f9c3cf11-9bcb-44bc-f272-b75c42450872
 2010-12-20 01:52:23 +00:00
rmackay9@yahoo.com e930dacb4d AP_Math - initialise vector2 and vector3 x,y,z values to zero. Doug found (and I confirmed) that if vectors or matrices were declared in a function (i.e. a local variable), they would often have non-zero values. Global declarations don't have this problem - it's a C++ performance thing it seems. 
git-svn-id: https://arducopter.googlecode.com/svn/trunk@878 f9c3cf11-9bcb-44bc-f272-b75c42450872
 2010-11-22 02:29:15 +00:00
DrZiplok@gmail.com 7721e622aa Rather than subclassing from the templated classes, just typedef directly to them. 
This should solve the issues related to assigning to the convenience types.


git-svn-id: https://arducopter.googlecode.com/svn/trunk@543 f9c3cf11-9bcb-44bc-f272-b75c42450872
 2010-09-23 05:45:43 +00:00
DrZiplok@gmail.com ac2e14c4ec Remove a bunch of probably wrong const cruft. Ditch the dubious array index operators from vector2. 
git-svn-id: https://arducopter.googlecode.com/svn/trunk@538 f9c3cf11-9bcb-44bc-f272-b75c42450872
 2010-09-22 17:41:49 +00:00
DrZiplok@gmail.com 815e5f871a Remove the trivial operator= implementations, the default shallow copy is fine. 
git-svn-id: https://arducopter.googlecode.com/svn/trunk@537 f9c3cf11-9bcb-44bc-f272-b75c42450872
 2010-09-22 16:32:38 +00:00
DrZiplok@gmail.com 646045ef44 Some minor fixes prompted while looking at the code for other reasons. 
Return non-const values from assignment.  Fix operator* for matrix3.



git-svn-id: https://arducopter.googlecode.com/svn/trunk@536 f9c3cf11-9bcb-44bc-f272-b75c42450872
 2010-09-22 16:15:26 +00:00
DrZiplok@gmail.com 097161cd8d Beginnings of a math library for ArduPilot(Mega) systems. 
The vector classes are light adaptations of work by Bill Perone
(billperone@yahoo.com), the Matrix3 class draws on them for
inspiration.

Bill's matrix classes are too heavyweight and not templated, so
they're less suitable for us here.

This code compiles, and some trivial tests seem to work, but
it should not be considered "golden" yet.



git-svn-id: https://arducopter.googlecode.com/svn/trunk@441 f9c3cf11-9bcb-44bc-f272-b75c42450872
 2010-09-08 08:21:46 +00:00