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root/Development/ray/src/common/disk2square.c
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Comparing ray/src/common/disk2square.c (file contents):
Revision 3.4 by greg, Thu Oct 23 18:19:14 2014 UTC vs.
Revision 3.6 by greg, Wed Dec 15 01:39:52 2021 UTC

# Line 13 | Line 13 | static const char RCSid[] = "$Id$";
13  
14   #define _USE_MATH_DEFINES
15   #include <math.h>
16 + #include "fvect.h"
17  
18   /*
19   This transforms points on [0,1]^2 to points on unit disk centered at
# Line 40 | Line 41 | change log:
41  
42   /* Map a [0,1]^2 square to a unit radius disk */
43   void
44 < SDsquare2disk(double ds[2], double seedx, double seedy)
44 > square2disk(RREAL ds[2], double seedx, double seedy)
45   {
46  
47     double phi, r;
# Line 78 | Line 79 | SDsquare2disk(double ds[2], double seedx, double seedy
79  
80   /* Map point on unit disk to a unit square in [0,1]^2 range */
81   void
82 < SDdisk2square(double sq[2], double diskx, double disky)
82 > disk2square(RREAL sq[2], double diskx, double disky)
83   {
84      double r = sqrt( diskx*diskx + disky*disky );
85      double phi = atan2( disky, diskx );

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