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xy.h
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/* (X,Y) coordinates. */
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/*
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Copyright (c) 2008 Eliot Dresselhaus
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Permission is hereby granted, free of charge, to any person obtaining
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a copy of this software and associated documentation files (the
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"Software"), to deal in the Software without restriction, including
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without limitation the rights to use, copy, modify, merge, publish,
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distribute, sublicense, and/or sell copies of the Software, and to
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permit persons to whom the Software is furnished to do so, subject to
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the following conditions:
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The above copyright notice and this permission notice shall be
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included in all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#ifndef included_clib_xy_h
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#define included_clib_xy_h
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#include <
vppinfra/types.h
>
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/* Basic definitions: coordinates and points. */
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typedef
double
xy_float_t
;
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typedef
__complex__
double
xy_t
;
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typedef
__complex__
int
ixy_t
;
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typedef
__complex__
char
i8xy_t
;
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typedef
__complex__
short
i16xy_t
;
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typedef
__complex__
int
i32xy_t
;
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/* X/Y components of a point: can be used as either rvalue/lvalue. */
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#define xy_x(x) __real__ (x)
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#define xy_y(x) __imag__ (x)
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/* Unit vectors in x/y directions. */
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#define xy_x_unit_vector (1)
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#define xy_y_unit_vector (1I)
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#endif
/* included_clib_xy_h */
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/*
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* fd.io coding-style-patch-verification: ON
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*
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* Local Variables:
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* eval: (c-set-style "gnu")
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* End:
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*/
i16xy_t
__complex__ short i16xy_t
Definition:
xy.h:37
types.h
i32xy_t
__complex__ int i32xy_t
Definition:
xy.h:38
xy_float_t
double xy_float_t
Definition:
xy.h:32
ixy_t
__complex__ int ixy_t
Definition:
xy.h:34
i8xy_t
__complex__ char i8xy_t
Definition:
xy.h:36
xy_t
__complex__ double xy_t
Definition:
xy.h:33
src
vppinfra
xy.h
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