Commit Graph

21 Commits

Author SHA1 Message Date
raiden00pl
ec5793db59 fixedmath: add abs and sign operations 2023-10-07 21:25:56 +08:00
Alin Jerpelea
9b9be7e1f0 include: Author: Gregory Nutt: update licenses to Apache 2.0
Update files from Gregory Nutt to Apache 2.0 license.

Signed-off-by: Alin Jerpelea <alin.jerpelea@sony.com>
2021-02-04 03:33:58 -08:00
Xiang Xiao
87dff7c69a Fix nxstyle warning
Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
2020-11-29 18:40:40 +09:00
Bernd Walter
68ff96c242 fix comment to match with #define 2020-11-28 23:50:50 -06:00
Xiang Xiao
cde88cabcc Run codespell -w with the latest dictonary again
Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
2020-02-23 22:27:46 +01:00
Xiang Xiao
bd4e8e19d3 Run codespell -w against all files
and fix the wrong correction
2020-02-22 14:45:07 -06:00
rajan gill
fdac44d193 include/fixedmath.h: Regarding the single precision float to/from fixed point conversions in fixedmath.h, I believe the floating point literals should be appended with the letter 'f' to avoid (expensive) conversions from single to double precision, and thereby also avoid (expensive if done in SW) double point arithmetic (which is what is happening upon inspection of my disassembly). 2019-07-11 15:13:02 -06:00
Gregory Nutt
42628d2209 include/fixedmath.h: Add macros for conversion between types b16_t and type double 2019-03-16 13:04:03 -06:00
Jussi Kivilinna
afc46cb7ba fixedmath: add square root and b32_t conversion operators 2017-05-04 06:50:08 -06:00
Gregory Nutt
0f90500f72 Standardize the width of all comment boxes in header files 2015-10-02 17:48:24 -06:00
Gregory Nutt
4bcd13eabd Add RGB blending logic needed to support anti-aliasing 2015-07-14 07:57:54 -06:00
Gregory Nutt
f6d11bc2fd Back out an incorrect change 2014-10-12 11:01:57 -06:00
Gregory Nutt
872e9fce26 Cosmetic update to comments 2014-10-12 10:53:29 -06:00
Gregory Nutt
a41c1de32c Add basic data structures that will allow us to move named semaphore support out of the OS and into the VFS (not complete). 2014-09-28 10:15:33 -06:00
patacongo
8e5733ae3f Header file clean-up
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@4948 42af7a65-404d-4744-a932-0658087f49c3
2012-07-17 03:58:11 +00:00
patacongo
dc3c6ea49f Fix numerous errors in trapezoid rendering and wide line drawing algorithms
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@3841 42af7a65-404d-4744-a932-0658087f49c3
2011-08-03 21:49:31 +00:00
patacongo
a203a142f3 Add fixed precision atan2() function
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@3834 42af7a65-404d-4744-a932-0658087f49c3
2011-08-01 23:09:11 +00:00
patacongo
92b110e0e2 Changing NuttX fixed size type names to C99 standard names -- things will be broken for awhile
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@2335 42af7a65-404d-4744-a932-0658087f49c3
2009-12-14 15:46:55 +00:00
patacongo
586f69da53 Add fixed precision sin() and cos()
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@1342 42af7a65-404d-4744-a932-0658087f49c3
2008-11-29 01:19:35 +00:00
patacongo
a9b1526a37 Beginning of a graphics library
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@1305 42af7a65-404d-4744-a932-0658087f49c3
2008-11-25 21:58:35 +00:00
patacongo
3bc671c081 Add fixed precision math support
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@1304 42af7a65-404d-4744-a932-0658087f49c3
2008-11-25 20:53:12 +00:00