Perlin noise rebaseline

expectations/gm/Test-Mac10.8-MacMini4.1-GeForce320M-x86_64-Release/expected-results.json

 {
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   }, 
   "expected-results": {
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       "allowed-digests": [
@@ skipping 11182 matching lines @@
           "bitmap-64bitMD5", 
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         ]
       ], 
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     }, 
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       "allowed-digests": [
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     }, 
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     }, 
     "perlinnoise_pdf-mac.png": {
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       "bugs": [
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     }, 
     "points_565.png": {
       "allowed-digests": [
         [
@@ skipping 3640 matching lines @@
           1686335507111519102
         ]
       ], 
       "bugs": [
         1578
       ], 
       "reviewed-by-human": false
     }
   }
 }