31 lines
463 B
Go
31 lines
463 B
Go
package main
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func SM2Next(thisGrade int, consecutivePassesBeforeThis int, ef float64, lastInterval int) (int, float64, int) {
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q := thisGrade
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n := consecutivePassesBeforeThis
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ef = ef
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i := lastInterval
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if q >= 3 {
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switch n {
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case 0:
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i = 1
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case 1:
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i = 6
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default:
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i = int(float64(i) * ef)
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}
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n += 1
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} else {
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n = 0
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i = 1
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}
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ef = ef + (.1 - (5.0-float64(q))*(.08+(5.0-float64(q))*.02))
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if ef < 1.3 {
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ef = 1.3
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}
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return n, ef, i
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}
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