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round the float value before we cast to Int #558

Merged
merged 1 commit into from
Nov 26, 2015
Merged

round the float value before we cast to Int #558

merged 1 commit into from
Nov 26, 2015

Commits on Nov 19, 2015

  1. round the float value before we cast to Int 

    Old code will cause the visible index incorrect, smaller by 1.

Int() simply cuts the fractional part, which usually isn't the desired behaviour ;) Int(round(f)) does the job

I met this when that the last label should be year 2015, but it actually shows 2014. It turned out that pt.x is 3.9999999999999987, and Int(pt.x) is 3

More information about the casting can be found here:http://stackoverflow.com/questions/24029917/convert-float-to-int-in-swift
    @liuxuan30
    liuxuan30 committed Nov 19, 2015
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