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beta.dist, beta.inv, gamma.gist, gamma.inv, gamma, gammaln, gammaln.precise, expon.dist, weibull.dist, poisson.dist, binom.dist, binom.inv, binom.dist.range #64

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beta.dist, beta.inv, gamma.gist, gamma.inv, gamma, gammaln, gammaln.precise, expon.dist, weibull.dist, poisson.dist, binom.dist, binom.inv, binom.dist.range #64

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69729ff
Implement statistical distribution functions
BrianHung Aug 1, 2025
816873e
fmt
BrianHung Aug 1, 2025
ef2f015
cargo lock
BrianHung Aug 1, 2025
02b0f9f
fix build
BrianHung Aug 2, 2025
6187566
safe floating to uint
BrianHung Aug 2, 2025
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20 changes: 20 additions & 0 deletions Cargo.lock
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1 change: 1 addition & 0 deletions base/Cargo.toml
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Original file line number Diff line number Diff line change
Expand Up @@ -19,6 +19,7 @@ regex = { version = "1.0", optional = true}
regex-lite = { version = "0.1.6", optional = true}
bitcode = "0.6.3"
csv = "1.3.0"
statrs = { version = "0.18", default-features = false }

[features]
default = ["use_regex_full"]
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26 changes: 26 additions & 0 deletions base/src/expressions/parser/static_analysis.rs
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Expand Up @@ -784,6 +784,19 @@ fn get_function_args_signature(kind: &Function, arg_count: usize) -> Vec<Signatu
Function::Randbetween => args_signature_scalars(arg_count, 2, 0),
Function::Formulatext => args_signature_scalars(arg_count, 1, 0),
Function::Unicode => args_signature_scalars(arg_count, 1, 0),
Function::BetaDist => args_signature_scalars(arg_count, 4, 2),
Function::BetaInv => args_signature_scalars(arg_count, 3, 2),
Function::BinomDist => args_signature_scalars(arg_count, 4, 0),
Function::BinomDistRange => args_signature_scalars(arg_count, 3, 1),
Function::BinomInv => args_signature_scalars(arg_count, 3, 0),
Function::ExponDist => args_signature_scalars(arg_count, 3, 0),
Function::Gamma => args_signature_scalars(arg_count, 1, 0),
Function::GammaDist => args_signature_scalars(arg_count, 4, 0),
Function::GammaInv => args_signature_scalars(arg_count, 3, 0),
Function::Gammaln => args_signature_scalars(arg_count, 1, 0),
Function::GammalnPrecise => args_signature_scalars(arg_count, 1, 0),
Function::PoissonDist => args_signature_scalars(arg_count, 3, 0),
Function::WeibullDist => args_signature_scalars(arg_count, 4, 0),
Function::Geomean => vec![Signature::Vector; arg_count],
}
}
Expand Down Expand Up @@ -989,6 +1002,19 @@ fn static_analysis_on_function(kind: &Function, args: &[Node]) -> StaticResult {
Function::Randbetween => scalar_arguments(args),
Function::Eomonth => scalar_arguments(args),
Function::Formulatext => not_implemented(args),
Function::BetaDist => scalar_arguments(args),
Function::BetaInv => scalar_arguments(args),
Function::BinomDist => scalar_arguments(args),
Function::BinomDistRange => scalar_arguments(args),
Function::BinomInv => scalar_arguments(args),
Function::ExponDist => scalar_arguments(args),
Function::Gamma => scalar_arguments(args),
Function::GammaDist => scalar_arguments(args),
Function::GammaInv => scalar_arguments(args),
Function::Gammaln => scalar_arguments(args),
Function::GammalnPrecise => scalar_arguments(args),
Function::PoissonDist => scalar_arguments(args),
Function::WeibullDist => scalar_arguments(args),
Function::Geomean => not_implemented(args),
}
}
67 changes: 66 additions & 1 deletion base/src/functions/mod.rs
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Expand Up @@ -145,6 +145,19 @@ pub enum Function {
Maxifs,
Minifs,
Geomean,
BetaDist,
BetaInv,
BinomDist,
BinomDistRange,
BinomInv,
ExponDist,
Gamma,
GammaDist,
GammaInv,
Gammaln,
GammalnPrecise,
PoissonDist,
WeibullDist,

// Date and time
Date,
Expand Down Expand Up @@ -253,7 +266,7 @@ pub enum Function {
}

impl Function {
pub fn into_iter() -> IntoIter<Function, 198> {
pub fn into_iter() -> IntoIter<Function, 211> {
[
Function::And,
Function::False,
Expand Down Expand Up @@ -357,6 +370,19 @@ impl Function {
Function::Maxifs,
Function::Minifs,
Function::Geomean,
Function::BetaDist,
Function::BetaInv,
Function::BinomDist,
Function::BinomDistRange,
Function::BinomInv,
Function::ExponDist,
Function::Gamma,
Function::GammaDist,
Function::GammaInv,
Function::Gammaln,
Function::GammalnPrecise,
Function::PoissonDist,
Function::WeibullDist,
Function::Year,
Function::Day,
Function::Month,
Expand Down Expand Up @@ -625,6 +651,19 @@ impl Function {
"MAXIFS" | "_XLFN.MAXIFS" => Some(Function::Maxifs),
"MINIFS" | "_XLFN.MINIFS" => Some(Function::Minifs),
"GEOMEAN" => Some(Function::Geomean),
"BETA.DIST" => Some(Function::BetaDist),
"BETA.INV" => Some(Function::BetaInv),
"BINOM.DIST" => Some(Function::BinomDist),
"BINOM.DIST.RANGE" => Some(Function::BinomDistRange),
"BINOM.INV" => Some(Function::BinomInv),
"EXPON.DIST" => Some(Function::ExponDist),
"GAMMA" => Some(Function::Gamma),
"GAMMA.DIST" => Some(Function::GammaDist),
"GAMMA.INV" => Some(Function::GammaInv),
"GAMMALN" => Some(Function::Gammaln),
"GAMMALN.PRECISE" => Some(Function::GammalnPrecise),
"POISSON.DIST" => Some(Function::PoissonDist),
"WEIBULL.DIST" => Some(Function::WeibullDist),
// Date and Time
"YEAR" => Some(Function::Year),
"DAY" => Some(Function::Day),
Expand Down Expand Up @@ -836,6 +875,19 @@ impl fmt::Display for Function {
Function::Maxifs => write!(f, "MAXIFS"),
Function::Minifs => write!(f, "MINIFS"),
Function::Geomean => write!(f, "GEOMEAN"),
Function::BetaDist => write!(f, "BETA.DIST"),
Function::BetaInv => write!(f, "BETA.INV"),
Function::BinomDist => write!(f, "BINOM.DIST"),
Function::BinomDistRange => write!(f, "BINOM.DIST.RANGE"),
Function::BinomInv => write!(f, "BINOM.INV"),
Function::ExponDist => write!(f, "EXPON.DIST"),
Function::Gamma => write!(f, "GAMMA"),
Function::GammaDist => write!(f, "GAMMA.DIST"),
Function::GammaInv => write!(f, "GAMMA.INV"),
Function::Gammaln => write!(f, "GAMMALN"),
Function::GammalnPrecise => write!(f, "GAMMALN.PRECISE"),
Function::PoissonDist => write!(f, "POISSON.DIST"),
Function::WeibullDist => write!(f, "WEIBULL.DIST"),
Function::Year => write!(f, "YEAR"),
Function::Day => write!(f, "DAY"),
Function::Month => write!(f, "MONTH"),
Expand Down Expand Up @@ -1076,6 +1128,19 @@ impl Model {
Function::Maxifs => self.fn_maxifs(args, cell),
Function::Minifs => self.fn_minifs(args, cell),
Function::Geomean => self.fn_geomean(args, cell),
Function::BetaDist => self.fn_beta_dist(args, cell),
Function::BetaInv => self.fn_beta_inv(args, cell),
Function::BinomDist => self.fn_binom_dist(args, cell),
Function::BinomDistRange => self.fn_binom_dist_range(args, cell),
Function::BinomInv => self.fn_binom_inv(args, cell),
Function::ExponDist => self.fn_expon_dist(args, cell),
Function::Gamma => self.fn_gamma(args, cell),
Function::GammaDist => self.fn_gamma_dist(args, cell),
Function::GammaInv => self.fn_gamma_inv(args, cell),
Function::Gammaln => self.fn_gammaln(args, cell),
Function::GammalnPrecise => self.fn_gammaln_precise(args, cell),
Function::PoissonDist => self.fn_poisson_dist(args, cell),
Function::WeibullDist => self.fn_weibull_dist(args, cell),
// Date and Time
Function::Year => self.fn_year(args, cell),
Function::Day => self.fn_day(args, cell),
Expand Down
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