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<b>Warning</b>:  session_start(): open(/var/lib/php/sessions/sess_3qsskuvinfagj4dtgvmtst87o8, O_RDWR) failed: No space left on device (28) in <b>/var/www/tb-usercake/models/config.php</b> on line <b>51</b><br />
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<b>Warning</b>:  session_start(): Failed to read session data: files (path: /var/lib/php/sessions) in <b>/var/www/tb-usercake/models/config.php</b> on line <b>51</b><br />
static IBWImage iBWImageFromFunction(IF2_IntInt_Double f, int w, int h) {
  ret new IBWImage {
    public int getWidth() { ret w; }
    public int getHeight() { ret h; }
    
    public float getFloatPixel(int x, int y) {
      ret (float) f.get(x, y);
    }
  };
}