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Gleitwertarithmetik in Dezimalbruch, auch kacke...

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Feb 24th, 2017
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PHP 0.19 KB | None | 0 0
  1. <?php
  2. bcscale(log(pow(2,64))/log(10));
  3.  
  4. //2/7 + 2/7 - 4/7 = 0
  5.  
  6. var_dump(
  7.     bcsub(
  8.         bcdiv(4,7),
  9.         bcadd(
  10.             bcdiv(2,7),
  11.             bcdiv(2,7)
  12.         )
  13.     )
  14. );
  15. string(21) "0.0000000000000000001"
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