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パソコンの問題や、ソフトウェアの開発で起きた問題など書いていきます。よろしくお願いします^^。

python round

>>> 0.005*65536
327.68
>>> round(0.005*65536)
328
for i in range(290,400):
    a=i/65536
    print(f"{i}={a:<20}=>",round(a,3))
290=0.004425048828125   => 0.004
291=0.0044403076171875  => 0.004
292=0.00445556640625    => 0.004
293=0.0044708251953125  => 0.004
294=0.004486083984375   => 0.004

295=0.0045013427734375  => 0.005
296=0.0045166015625     => 0.005
297=0.0045318603515625  => 0.005
298=0.004547119140625   => 0.005
299=0.0045623779296875  => 0.005
300=0.00457763671875    => 0.005
301=0.0045928955078125  => 0.005
302=0.004608154296875   => 0.005
303=0.0046234130859375  => 0.005
304=0.004638671875      => 0.005
305=0.0046539306640625  => 0.005
306=0.004669189453125   => 0.005
307=0.0046844482421875  => 0.005
308=0.00469970703125    => 0.005
309=0.0047149658203125  => 0.005
310=0.004730224609375   => 0.005
311=0.0047454833984375  => 0.005
312=0.0047607421875     => 0.005
313=0.0047760009765625  => 0.005
314=0.004791259765625   => 0.005
315=0.0048065185546875  => 0.005
316=0.00482177734375    => 0.005
317=0.0048370361328125  => 0.005
318=0.004852294921875   => 0.005
319=0.0048675537109375  => 0.005
320=0.0048828125        => 0.005
321=0.0048980712890625  => 0.005
322=0.004913330078125   => 0.005
323=0.0049285888671875  => 0.005
324=0.00494384765625    => 0.005
325=0.0049591064453125  => 0.005
326=0.004974365234375   => 0.005
327=0.0049896240234375  => 0.005
328=0.0050048828125     => 0.005
329=0.0050201416015625  => 0.005
330=0.005035400390625   => 0.005
331=0.0050506591796875  => 0.005
332=0.00506591796875    => 0.005
333=0.0050811767578125  => 0.005
334=0.005096435546875   => 0.005
335=0.0051116943359375  => 0.005
336=0.005126953125      => 0.005
337=0.0051422119140625  => 0.005
338=0.005157470703125   => 0.005
339=0.0051727294921875  => 0.005
340=0.00518798828125    => 0.005
341=0.0052032470703125  => 0.005
342=0.005218505859375   => 0.005
343=0.0052337646484375  => 0.005
344=0.0052490234375     => 0.005
345=0.0052642822265625  => 0.005
346=0.005279541015625   => 0.005
347=0.0052947998046875  => 0.005
348=0.00531005859375    => 0.005
349=0.0053253173828125  => 0.005
350=0.005340576171875   => 0.005
351=0.0053558349609375  => 0.005
352=0.00537109375       => 0.005
353=0.0053863525390625  => 0.005
354=0.005401611328125   => 0.005
355=0.0054168701171875  => 0.005
356=0.00543212890625    => 0.005
357=0.0054473876953125  => 0.005
358=0.005462646484375   => 0.005
359=0.0054779052734375  => 0.005
360=0.0054931640625     => 0.005

361=0.0055084228515625  => 0.006
362=0.005523681640625   => 0.006
363=0.0055389404296875  => 0.006
364=0.00555419921875    => 0.006
365=0.0055694580078125  => 0.006
366=0.005584716796875   => 0.006
367=0.0055999755859375  => 0.006
368=0.005615234375      => 0.006
369=0.0056304931640625  => 0.006
370=0.005645751953125   => 0.006