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"distributed" multiplication in deg2hms to avoid rounding error due to floating point rounding errors. #4

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"distributed" multiplication in deg2hms to avoid rounding error due to floating point rounding errors. #4

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2 changes: 1 addition & 1 deletion src/spatial.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -78,7 +78,7 @@ pub fn deg2hms(deg: f64) -> String {

let h = deg * 12.0 / 180.0;
let hours = h.floor() as i32;
let m = (h - hours as f64) * 60.0;
let m = h * 60.0 - hours as f64 * 60.0;
let minutes = m.floor() as i32;
let seconds = (m - minutes as f64) * 60.0;
let hms = format!("{:02.0}:{:02.0}:{:07.4}", hours, minutes, seconds);
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