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29 lines
562 B
Go
29 lines
562 B
Go
package main
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func coalesce(errs ...error) error {
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for _, err := range errs {
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if err != nil {
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return err
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}
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}
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return nil
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}
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// provided a number and a bounding range for that number, normalizes that
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// number within that bounds (linearly). that is, it returns a float between 0
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// and 1 representing i's position within the (min,max) range. Min and max are
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// both inclusive.
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func norm(i, min, max int) (n float64) {
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if i < min {
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return 0
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}
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if i > max {
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return 1
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}
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span := max - min
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reach := i - min
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return float64(reach) / float64(span)
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}
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