rgsl/randist/weibull.rs
1//
2// A rust binding for the GSL library by Guillaume Gomez (guillaume1.gomez@gmail.com)
3//
4
5/// This function computes the probability density p(x) at x for a Weibull distribution with scale a and exponent b, using the formula given above.
6#[doc(alias = "gsl_ran_weibull_pdf")]
7pub fn weibull_pdf(x: f64, a: f64, b: f64) -> f64 {
8 unsafe { sys::gsl_ran_weibull_pdf(x, a, b) }
9}
10
11/// This function computes the cumulative distribution functions P(x), Q(x) and their inverses for the Weibull distribution with scale a and exponent b.
12#[doc(alias = "gsl_cdf_weibull_P")]
13pub fn weibull_P(x: f64, a: f64, b: f64) -> f64 {
14 unsafe { sys::gsl_cdf_weibull_P(x, a, b) }
15}
16
17/// This function computes the cumulative distribution functions P(x), Q(x) and their inverses for the Weibull distribution with scale a and exponent b.
18#[doc(alias = "gsl_cdf_weibull_Q")]
19pub fn weibull_Q(x: f64, a: f64, b: f64) -> f64 {
20 unsafe { sys::gsl_cdf_weibull_Q(x, a, b) }
21}
22
23/// This function computes the cumulative distribution functions P(x), Q(x) and their inverses for the Weibull distribution with scale a and exponent b.
24#[doc(alias = "gsl_cdf_weibull_Pinv")]
25pub fn weibull_Pinv(P: f64, a: f64, b: f64) -> f64 {
26 unsafe { sys::gsl_cdf_weibull_Pinv(P, a, b) }
27}
28
29/// This function computes the cumulative distribution functions P(x), Q(x) and their inverses for the Weibull distribution with scale a and exponent b.
30#[doc(alias = "gsl_cdf_weibull_Qinv")]
31pub fn weibull_Qinv(Q: f64, a: f64, b: f64) -> f64 {
32 unsafe { sys::gsl_cdf_weibull_Qinv(Q, a, b) }
33}