1. 26 Dec, 2015 1 commit
    • Explorer09's avatar
      Change variable 'dot' to avoid division by reciprocal. · d56bcd8e
      Explorer09 authored
      The variable 'dot' in GraphMeterMode_draw now means "maximum number of
      dots per value (column) in graph". The old meaning was "amount of value
      that is to be represented by a dot" and was always a fraction. Due to
      a limitation in floating point computing, if GRAPH_HEIGHT were not a
      power of 2, then rounding errors will occur on numbers like (1.0/3).
      (Currently GRAPH_HEIGHT is 4 and so no precision loss.) 'dot' was used
      as a divisor, and it's "division by a reciprocal". We change that to
      simple multiplication.
      d56bcd8e
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