23 lines
606 B
Go
23 lines
606 B
Go
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package koboldsim
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import "math"
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// Generic helper functions not directly attached to Card Sim Engine mechanics.
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// Mean calculates the mathematical mean of its arguments (the sum, divided
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// by the number of elements). If it is called with no arguments, it returns
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// NaN ("not a number"). If there are contradictory infinities among the
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// arguments, it also returns NaN. Overflowing or underflowing can create an
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// infinity.
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func Mean(vals ...float64) float64 {
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if len(vals) == 0 {
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return math.NaN()
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}
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total := 0.0
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for _, x := range vals {
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total += x
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}
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return total / float64(len(vals))
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}
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