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Diffstat (limited to 'extras/deprecated/vppinfra/xy.h')
-rw-r--r-- | extras/deprecated/vppinfra/xy.h | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/extras/deprecated/vppinfra/xy.h b/extras/deprecated/vppinfra/xy.h new file mode 100644 index 00000000000..fb562161a62 --- /dev/null +++ b/extras/deprecated/vppinfra/xy.h @@ -0,0 +1,56 @@ +/* (X,Y) coordinates. */ + +/* + Copyright (c) 2008 Eliot Dresselhaus + + Permission is hereby granted, free of charge, to any person obtaining + a copy of this software and associated documentation files (the + "Software"), to deal in the Software without restriction, including + without limitation the rights to use, copy, modify, merge, publish, + distribute, sublicense, and/or sell copies of the Software, and to + permit persons to whom the Software is furnished to do so, subject to + the following conditions: + + The above copyright notice and this permission notice shall be + included in all copies or substantial portions of the Software. + + THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE + LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION + OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION + WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. +*/ + +#ifndef included_clib_xy_h +#define included_clib_xy_h + +#include <vppinfra/types.h> + +/* Basic definitions: coordinates and points. */ +typedef double xy_float_t; +typedef __complex__ double xy_t; +typedef __complex__ int ixy_t; + +typedef __complex__ char i8xy_t; +typedef __complex__ short i16xy_t; +typedef __complex__ int i32xy_t; + +/* X/Y components of a point: can be used as either rvalue/lvalue. */ +#define xy_x(x) __real__ (x) +#define xy_y(x) __imag__ (x) + +/* Unit vectors in x/y directions. */ +#define xy_x_unit_vector (1) +#define xy_y_unit_vector (1I) + +#endif /* included_clib_xy_h */ + +/* + * fd.io coding-style-patch-verification: ON + * + * Local Variables: + * eval: (c-set-style "gnu") + * End: + */ |