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325 Commits

Author SHA1 Message Date
Ricardo de Almeida Gonzaga 481e3a2af6 AP_Math: Fix typos 2016-05-13 19:20:06 -03:00
Lucas De Marchi aa974399d0 AP_Math: use inline wrappers for constrain_* functions 
This avoids some warnings about "constrain_float defined but not used"
in some compilers.
 2016-05-11 22:51:19 -03:00
Lucas De Marchi bd6e268122 AP_Math: fix coding style 
- cleanup whitespace
  - function reorder
  - fix brace position
 2016-05-10 11:41:26 -03:00
Lucas De Marchi 1dbffef7ea AP_Math: remove trailing whitespace on headers 2016-05-10 11:41:26 -03:00
Lucas De Marchi ab1fa4b435 AP_Math: reorganize headers 
Sort and add pragma once where needed.
 2016-05-10 11:41:26 -03:00
dgrat 6d3b491c02 AP_Math: Replace is_equal with a type safe template function 
It makes sense to consider also other floating point types.
 2016-05-10 11:41:26 -03:00
dgrat 503867b7dc AP_Math: Replace safe_sqrt() by template function 2016-05-10 11:41:26 -03:00
dgrat 5deb0e8e03 AP_Math: Replace safe_asin() by template function 2016-05-10 11:41:26 -03:00
Lucas De Marchi 846b4927ec AP_Math: use if/else chain instead of 2 ternary operators 2016-05-10 11:41:26 -03:00
dgrat 174f899a29 AP_Math: Replace the constrain_* functions by a single template 
Besides being simpler this reduces ~4k in the binary size for PX4.
 2016-05-10 11:41:26 -03:00
Lucas De Marchi 348b07609c AP_Math: remove macros from unit tests 
Avoid warnings like:

[2130/2168] Compiling libraries/AP_Math/tests/test_math.cpp
../../libraries/AP_Math/tests/test_math.cpp: In member function ‘virtual void MathTest_IsZero_Test::TestBody()’:
../../libraries/AP_Math/tests/test_math.cpp:73:196: warning: converting ‘false’ to pointer type for argument 1 of ‘char
testing::internal::IsNullLiteralHelper(testing::internal::Secret*)’ [-Wconversion-null]
../../libraries/AP_Math/tests/test_math.cpp:74:199: warning: converting ‘false’ to pointer type for argument 1 of ‘char
testing::internal::IsNullLiteralHelper(testing::internal::Secret*)’ [-Wconversion-null]

Use EXPECT_TRUE() and EXPECT_FALSE() from gtest instead.
 2016-05-10 11:41:26 -03:00
dgrat 41661f815f AP_Math: Replace the pythagorous* functions with a variadic template 
The new function can deal with a variable number of function parameters.
Additionally, I renamed the functions to norm(), because this is the
standard name used in several other projects.
 2016-05-10 11:41:26 -03:00
Lucas De Marchi 880f130670 AP_Math: fix loss of precision on float addition 
When using wrap_180_cd() we are adding a small float (180 * 100) to a
possibly big number. This may lose float precision as illustrated by the
unit test failing:

    OUT: ../../libraries/AP_Math/tests/test_math.cpp:195: Failure
    OUT: Value of: wrap_180_cd(-3600000000.f)
    OUT:   Actual: -80
    OUT: Expected: 0.f
    OUT: Which is: 0
 2016-05-10 11:41:26 -03:00
dgrat 76362caee0 AP_Math: Replace wrap_* functions with template versions 2016-05-10 11:41:26 -03:00
dgrat 49cfd6fd9b AP_Math: Add gtest support for some functions 
These functions (or variants thereof) now have unit tests:

  - is_zero()
  - is_equal()
  - sq()
  - pythagorous()
  - constrain()
  - wrap_180()
  - wrap_360()

Some tests in wrap_180_cd are failing: -180 should be wrapped to 180,
not -180.
 2016-05-10 11:41:26 -03:00
Lucas De Marchi ceea7540fd AP_Math: rename test file 
This will be reused for more math tests.
 2016-05-10 11:41:26 -03:00
Gustavo Jose de Sousa b594b5a08b AP_Math: matrix_alg: disable FE_OVERFLOW in inverse4x4() for SITL 
There are occasional overflows on the determinant calculation in inverse4x4()
when using calibration SITL model.
 2016-05-10 16:16:37 +10:00
Gustavo Jose de Sousa a7543d369f AP_Math: matrix_alg: protect inverseixi() against overflow 
Fail on inverse3x3() and inverse4x4() if there's float overflow during the
determinant calculation.
 2016-05-10 16:16:37 +10:00
Gustavo Jose de Sousa 39f72610e2 AP_Math: quaternion: fix style 
Remove trailing spaces and run astyle.
 2016-05-10 16:16:37 +10:00
Andrew Tridgell e8142b0b5b AP_Math: added wrap_360() 2016-05-07 18:27:21 +10:00
Andrew Tridgell 97d27ce58f AP_Math: fixed memory leak 
found by coverity
 2016-04-26 16:41:44 +10:00
Andrew Tridgell 6165c42535 AP_Math: added from_axis_angle() method on Matrix3f 
for arbitrary rotations in simulator
 2016-04-22 10:28:15 +10:00
Michael du Breuil bb7cf6c0b6 AP_Math: Update location_sanitize to sanitize for lat/lng 2016-04-17 19:00:03 -07:00
Ricardo de Almeida Gonzaga 5bd034a5a8 Global: start using cmath instead of math.h 2016-04-05 21:06:19 -07:00
Andrew Tridgell 6bff07397e AP_Math: added linear_interpolate() function 2016-04-02 22:44:47 +11:00
Lucas De Marchi b4a8a0b961 AP_Math: replace header guard with pragma once 2016-03-16 18:40:41 +11:00
Gustavo Jose de Sousa 6729475b25 AP_Math: fix eulers example for PX4 2016-03-14 11:54:31 -03:00
Gustavo Jose de Sousa d9bb696fa3 AP_Math: avoid bias in rand_num() in eulers example 
Use RAND_MAX to avoid bias.
 2016-03-14 11:54:31 -03:00
Tom Pittenger 278fb2e60d AP_Math: add location sanity checker/fixer util 2016-03-02 08:48:26 -08:00
dgrat 672acdc8ef AP_Math: Created location.h header for location functions 
Helps to order AP_Math functions by purpose.
 2016-02-27 02:51:33 -03:00
Lucas De Marchi 7f685a12bd AP_Math: remove trailing whitespaces and tabs 2016-02-27 02:51:33 -03:00
dgrat 5148e41c1a AP_Math: Cleaned macro definitions 
Moved Definitions into a separate header. Replaced PI with M_PI and
removed the M_PI_*_F macros.
 2016-02-27 02:51:33 -03:00
dgrat 7c4c8ea579 AP_Math: Remove ROTATION_COMBINATION_SUPPORT 
This function is not used.
 2016-02-27 02:51:33 -03:00
Daniel Frenzel ead51a9d19 AP_Math: Removed useless "undef INLINE" 2016-02-25 02:10:39 -03:00
Daniel Frenzel ef7cf7c4aa AP_Math: Removed useless header 
"float.h" does not exist. It is useless and wrong to include it.
 2016-02-25 02:10:39 -03:00
Peter Barker 80bc7a50d7 AP_Math: define MATH_CHECK_INDEXES 
Wrapped in ifndefs so the top-level Makefile can override

Assume MATH_CHECK_INDEXES is always defined
 2016-02-19 12:34:23 -02:00
Gustavo Jose de Sousa c2e3f05dbf waf: ardupilotwaf: prefix build context methods with ap_ 
It helps to distinguish between things from waf and things from ardupilotwaf.
 2016-01-22 20:10:29 -02:00
Gustavo Jose de Sousa a2d2661765 waf: use methods from bld instead of ardupilotwaf for the remaining 2016-01-22 20:10:29 -02:00
Gustavo Jose de Sousa 3d22490397 waf: examples: use methods from bld instead of ardupilotwaf 2016-01-22 20:10:29 -02:00
Gustavo Jose de Sousa d281067bcc waf: make example binaries be placed in 'examples' dir 
This commit makes examples' wscripts use ardupilotwaf.example() instead of
ardupilot.program().
 2016-01-15 16:46:41 -02:00
Andrew Tridgell 60af7a6087 AP_Math: removed matrix3 parameter support 2016-01-04 11:14:43 +11:00
Andrew Tridgell 16e0a6d7b0 AP_Math: fixed angle between two vector3s 2016-01-01 12:41:05 +11:00
Lucas De Marchi 180359d6dd AP_Math: fix unit test 
For ROTATION_ROLL_90_PITCH_68_YAW_293 consider the angles as 90, 68.8
and 293.3 degrees to pre-calculate rotation. This matches the rotation
matrix used in code.

While at it, check not only the values are close enough but also the
length of the vector.
 2015-12-30 20:22:28 -02:00
Lucas De Marchi ba3325ffd3 AP_Math: rename rotation 
The rotations are supposed to follow the name of the enum, in order. The
ROTATION_YAW_293_PITCH_68_ROLL_90 was added with the name of an
intrinsic 321 rotation, but the matrix is actually a 123 rotation,
following the other rotations already present.

Change the name to follow the other names.
 2015-12-30 20:22:27 -02:00
Jonathan Challinger 83d5a6664a AP_Math: minor changes to matrix_alg in response to review 2015-12-29 22:57:21 -08:00
bugobliterator 1a4b4fa85e AP_Math: add inverse matrix test to check if inverse(mat)*mat = I 
where I is an identity matrix (a matrix with diagonal elements = 1)
 2015-12-29 10:46:35 -08:00
bugobliterator fe62a049bd AP_Math: implement LU decomposition based matrix inverse 
Replaces previous matlab generated code, which was giving imprecise results
 2015-12-29 10:46:34 -08:00
Siddharth Bharat Purohit a0c3cbffee AP_Math: add inverse matrix test example 
fix example build
 2015-12-29 10:46:34 -08:00
Siddharth Bharat Purohit 5af0cc8eaf AP_Math: add inverse rotate example function 2015-12-29 10:46:34 -08:00
Jonathan Challinger 7ed8b3814f AP_Math: add rotate_inverse to Vector3 2015-12-29 10:46:34 -08:00