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root/Development/ray/src/common/disk2square.c

Comparing ray/src/common/disk2square.c (file contents):
Revision 3.4 by greg, Thu Oct 23 18:19:14 2014 UTC vs.
Revision 3.5 by greg, Wed Dec 15 01:38:50 2021 UTC

#	Line 40 | Line 40 | change log:
40
41		/* Map a [0,1]^2 square to a unit radius disk */
42		void
43	<	SDsquare2disk(double ds[2], double seedx, double seedy)
43	>	square2disk(RREAL ds[2], double seedx, double seedy)
44		{
45
46		double phi, r;
#	Line 78 | Line 78 | SDsquare2disk(double ds[2], double seedx, double seedy
78
79		/* Map point on unit disk to a unit square in [0,1]^2 range */
80		void
81	<	SDdisk2square(double sq[2], double diskx, double disky)
81	>	disk2square(RREAL sq[2], double diskx, double disky)
82		{
83		double r = sqrt( diskx*diskx + disky*disky );
84		double phi = atan2( disky, diskx );

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