# | Line 40 | Line 40 | change log: | |
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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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