NunoSempere/fermi
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get some speed gains for mixtures thru a bit more complexity

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NunoSempere 2024-12-24 16:35:55 +01:00
parent 3ca32655d5
commit 7d59beb4bf
2 changed files with 3 additions and 3 deletions
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fermi.go
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@ -382,7 +382,7 @@ func parseMixture(words []string, vars map[string]Dist) (Dist, error) {
var dists []Dist
var fs []func(int, sample.State) float64
var ss [][]float64
// var ss [][]float64
var weights []float64
for i, word := range words {
@ -391,12 +391,12 @@ func parseMixture(words []string, vars map[string]Dist) (Dist, error) {
if !exists {
return nil, printAndReturnErr("Expected mixture variable but didn't get a variable. \nMixture syntax: \nmx x 2.5 y 8 z 10\ni.e.: mx var weight var2 weight2 ... var_n weight_n")
}
samples := dist.Samples()
// samples := dist.Samples()
f := dist.Sampler
// Inefficient to draw N_SAMPLES for each of the distributions, but conceptually simpler.
dists = append(dists, dist)
fs = append(fs, f)
ss = append(ss, samples)
// ss = append(ss, samples)
} else {
weight, err := pretty.ParseFloat(word)
if err != nil {