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author | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2008-12-01 15:28:31 +0000 |
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committer | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2008-12-01 15:28:31 +0000 |
commit | db3c14627515ed025cfbe5d2ef70784b995ac5ba (patch) | |
tree | 2533306ae39676f8612da98b1d35dad9394ff904 /nuttx/include | |
parent | b9cd0d6d5f21cac0ee3a8b3c561ce921d18dd686 (diff) | |
download | px4-nuttx-db3c14627515ed025cfbe5d2ef70784b995ac5ba.tar.gz px4-nuttx-db3c14627515ed025cfbe5d2ef70784b995ac5ba.tar.bz2 px4-nuttx-db3c14627515ed025cfbe5d2ef70784b995ac5ba.zip |
Add vectsubtract() and rectinside()
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@1371 42af7a65-404d-4744-a932-0658087f49c3
Diffstat (limited to 'nuttx/include')
-rw-r--r-- | nuttx/include/nuttx/nxglib.h | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/nuttx/include/nuttx/nxglib.h b/nuttx/include/nuttx/nxglib.h index b34159201..1f230e0d2 100644 --- a/nuttx/include/nuttx/nxglib.h +++ b/nuttx/include/nuttx/nxglib.h @@ -352,6 +352,18 @@ EXTERN void nxgl_vectoradd(FAR struct nxgl_point_s *dest, FAR const struct nxgl_point_s *v2); /**************************************************************************** + * Name: nxgl_vectorsubtract + * + * Description: + * Add subtract vector v2 from vector v1 and return the result in vector dest + * + ****************************************************************************/ + +EXTERN void nxgl_vectorsubtract(FAR struct nxgl_point_s *dest, + FAR const struct nxgl_point_s *v1, + FAR const struct nxgl_point_s *v2); + +/**************************************************************************** * Name: nxgl_rectintersect * * Description: @@ -402,6 +414,17 @@ EXTERN boolean nxgl_rectoverlap(FAR struct nxgl_rect_s *rect1, FAR struct nxgl_rect_s *rect2); /**************************************************************************** + * Name: nxgl_rectinside + * + * Description: + * Return TRUE if the point pt lies within rect. + * + ****************************************************************************/ + +EXTERN boolean nxgl_rectinside(FAR const struct nxgl_rect_s *rect, + FAR const struct nxgl_point_s *pt); + +/**************************************************************************** * Name: nxgl_nullrect * * Description: |