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March 6, 2017 20:42
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Compare 2 CGFloats
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| extension CGFloat { | |
| static var eps: CGFloat { | |
| if CGFLOAT_IS_DOUBLE == 1 { | |
| return CGFloat(DBL_EPSILON) | |
| } else { | |
| return CGFloat(FLT_EPSILON) | |
| } | |
| } | |
| } | |
| func epsCompare(lhs: CGFloat, rhs: CGFloat) -> Bool { | |
| return abs(lhs - rhs) <= CGFloat.eps | |
| } |
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