GRASS GIS 8 Programmer's Manual
8.4.0dev(2023)-bfef3d3961
pi.h
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#ifndef __PI_H__
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#define __PI_H__
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#include <
grass/gis.h
>
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#define Radians(x) ((x)*M_PI / 180.0)
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#define Degrees(x) ((x)*180.0 / M_PI)
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#endif
/* __PI_H__ */
gis.h
lib
gis
pi.h
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