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53 Commits

Author SHA1 Message Date
Andrew Tridgell 17f7292fe9 Math: added a test for the rotate() method 2012-03-19 17:29:02 +11:00
Andrew Tridgell c16b353ea7 Math: added rotate() method to Matrix3f 
this is the core method used to update the DCM matrix with a gyro
vector. Moving it to AP_Math allows us to have a test for it
 2012-03-19 17:29:02 +11:00
Andrew Tridgell 31e566475b Math: added zero() and identity() methods to Matrix3f 2012-03-19 17:29:02 +11:00
Andrew Tridgell d948a28e7c Math: change signs in quaternion library 
thanks to Justin for the suggestion
 2012-03-19 17:29:02 +11:00
Andrew Tridgell af9ce0cfc9 Math: allow eulers test to build with AP_Declination library 2012-03-19 17:29:02 +11:00
Andrew Tridgell 72a761170b Math: fixed build of eulers test on SITL 2012-03-19 17:29:02 +11:00
Andrew Tridgell 58a68c89d9 Math: added a function to combine standard rotations 
this will allow us to have an overall board rotation plus a per-sensor
rotation
 2012-03-19 17:29:02 +11:00
Andrew Tridgell 0ec9857689 Math: any euler angle with pitch > 90 is invalid 
both DCM and quaternion always return pitch in the range -90 to 90
 2012-03-11 15:37:07 +11:00
Andrew Tridgell 4d3789d11c AP_Math: update the test suite 2012-03-11 15:37:07 +11:00
Andrew Tridgell 4422486d44 AP_Math: made rotation matrices more C++ 
thanks to Adam for the suggestion
 2012-03-11 15:37:07 +11:00
Andrew Tridgell 5c6368bad3 AP_Math: allow null pointers in Quaternion::to_euler() 
this matches the Matrix3f method
 2012-03-11 15:37:07 +11:00
Andrew Tridgell 9f0cb78f08 AP_Math: re-work quaternion functions to be more C++ like 
thanks to Adam for the suggestion!
 2012-03-11 15:37:07 +11:00
Andrew Tridgell 55aa43a70d Math: added a test suite for the new rotation methods 2012-03-11 15:37:07 +11:00
Andrew Tridgell 289c64c0b9 Math: added vector3.rotate() and matrix3.rotation() methods 
these operate on a "enum Rotation" which defines a set of standard
rotations. These are much faster than our previous method, plus use
less memory
 2012-03-11 15:37:07 +11:00
Andrew Tridgell a92fb67b70 AP_Math: expanded the math test suite 2012-03-10 10:34:31 +11:00
Andrew Tridgell 4d65cda0ea AP_Math: added quaternion->matrix and earth frame routines 
this will be used for 3d acceleration
 2012-03-10 10:34:31 +11:00
Andrew Tridgell 8abbbe5713 AP_Math: better way of handling safe_sqrt() 
better to test the result, than predict it
 2012-03-10 10:34:31 +11:00
Andrew Tridgell 1ec4c0777c Math: added comment on quaternion constructor 2012-03-10 10:34:30 +11:00
Andrew Tridgell f5e6dc0757 Math: added is_inf() on vector3f 2012-03-10 10:34:30 +11:00
Andrew Tridgell c7d5f06b21 AP_Math: added quaternion helper functions and a test suite 2012-03-10 10:34:30 +11:00
Andrew Tridgell 145fc91701 AP_Math: added a .zero() method to Vector3f 2012-03-10 10:34:28 +11:00
Andrew Tridgell 16ed8bc8f6 AP_Math: added rotmat <-> euler functions 
these will make the dcm matrix manipulation easier to understand
 2012-02-24 11:52:55 +11:00
Andrew Tridgell 17d16bc8c6 AP_Math: added safe_sqrt() function 
this function will never return NAN. It will return zero for negative
numbers.
 2012-02-24 11:52:55 +11:00
Andrew Tridgell 502fbf6e17 AP_Math: added a safe_asin() function 
this adds range checking to asin()
 2012-02-24 11:52:55 +11:00
Andrew Tridgell 17170da96e AP_Math: added is_nan() methods to vector3f and matrix3f 2012-02-24 11:52:55 +11:00
Andrew Tridgell 882cd4ea83 AP_Param: moved AP_Vector3f and AP_Matrix3f declarations to AP_Math.h 
this avoids us needing AP_Math.h in every utility sketch and example
 2012-02-18 10:51:57 +11:00
Andrew Tridgell 11b8d56434 added comment in polygon code 2011-12-21 23:31:38 +11:00
Andrew Tridgell e7568db237 fixed comment 2011-12-19 20:52:59 +11:00
Andrew Tridgell 6efa2e53cb AP_Math: re-work polygon algorithm for perfect precision 
using sign checking and 64 bit integer math only when needed results
in an algorithm that is just as fast as the floating point version,
but has perfect results for any representable lat/lng
 2011-12-19 18:52:56 +11:00
Andrew Tridgell a3a0e5646f polygon: improve the speed and precision of the polygon algorithm 
now takes 156 usec per test, with a 11 point boundary
 2011-12-18 12:59:50 +11:00
Andrew Tridgell 42522baf9f geofence: store fence points as int32_t 
this keeps maximum precision in fence boundaries
 2011-12-16 20:11:51 +11:00
Andrew Tridgell 9b6bab8904 AP_Math: better polygon algorithm 
this one seems to do better with single precision floating point
 2011-12-16 20:11:51 +11:00
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
Andrew Tridgell 85e295332f AP_Math: added Polygon_complete() function 
used to veryify user supplied boundaries
 2011-12-15 14:42:34 +11:00
Andrew Tridgell 117a98f9a2 AP_Math: added a Polygon_outside() function 
this tests if a point is outside of a polygon. This will be used as
part of our geo-fencing support, and also for a new 'fenced mode'
 2011-12-15 14:34:58 +11:00
James Goppert 0c7c508541 Optional recursion added. 2011-09-30 17:17:51 -04:00
James Goppert 5489b84f8e Improvements to cmake. 2011-09-29 21:23:26 -04:00
James Goppert d887a28b91 Added ArduBoat/ ArduRover/ and APO library. 2011-09-29 14:12:15 -04:00
unknown a4e001bbcf Adding CMake support 2011-09-14 15:44:55 +02:00
jasonshort 7521ceed61 Vector3<T>() { x = y = x = 0; } 
changed to :
	Vector3<T>() { x = y = z = 0; }

git-svn-id: https://arducopter.googlecode.com/svn/trunk@2600 f9c3cf11-9bcb-44bc-f272-b75c42450872
 2011-06-20 16:31:31 +00:00
DrZiplok@gmail.com f10cbb011f ::transposed does not change the matrix; make it const. 
git-svn-id: https://arducopter.googlecode.com/svn/trunk@1648 f9c3cf11-9bcb-44bc-f272-b75c42450872
 2011-02-14 04:26:05 +00:00
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
rmackay9@yahoo.com 8708675b1f added constructor with 9 elements to matrix3.h 
corrected matrix * vector function.

git-svn-id: https://arducopter.googlecode.com/svn/trunk@551 f9c3cf11-9bcb-44bc-f272-b75c42450872
 2010-09-25 02:43:11 +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
rmackay9@yahoo.com 15e6469ca9 added downcasting to MATRIX3_CTORS. this fixes some problems with setting the results from a formula to a variable (i..e m1 = m2*2). 
git-svn-id: https://arducopter.googlecode.com/svn/trunk@541 f9c3cf11-9bcb-44bc-f272-b75c42450872
 2010-09-23 05:39:50 +00:00
rmackay9@yahoo.com b3e1b6c57d minor corrections to the operator *= and constructor so that matrix can be more easily created from vector objects 
git-svn-id: https://arducopter.googlecode.com/svn/trunk@540 f9c3cf11-9bcb-44bc-f272-b75c42450872
 2010-09-23 03:14:15 +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