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Underflow error in viterbi.f #4

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jmbreda opened this issue Oct 25, 2022 · 0 comments
Open

Underflow error in viterbi.f #4

jmbreda opened this issue Oct 25, 2022 · 0 comments

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@jmbreda
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jmbreda commented Oct 25, 2022

Hi,
First, thank you for sharing this useful package.

I encounter an underflow error where scr/viterbi.f vit() complained that log(initialProb) was infinite.

In R/Viterbi.R I added

initialProb <- log(initialProb)
initialProb[is.infinite(initialProb)] <- -325

As it is done for emissionProb. Of course, I then gave initialProb in the argument of the fortran vit function.

I had never encountered this error before.

Cheers.
Jeremie
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