31 lines
562 B
Go
31 lines
562 B
Go
package mt19937
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import (
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"fiskerinc.com/modules/logger"
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)
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type bernoulli_distribution struct {
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m_prob float64
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m_eng *MT19937
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}
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func DistBernolli(eng *MT19937, prob float64) *bernoulli_distribution {
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if prob < 0 || prob > 1 {
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logger.Error().Msg("prob must be between 0 and 1")
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return nil
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}
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dist := &bernoulli_distribution{
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m_prob: prob,
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m_eng: eng,
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}
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return dist
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}
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func (dist *bernoulli_distribution) Bool() bool {
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if dist.m_prob == 0 {
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return false
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} else {
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return float64(dist.m_eng.Random()) <= dist.m_prob*float64(^uint64(0))
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}
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}
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