rgsl/
pow.rs

1//
2// A rust binding for the GSL library by Guillaume Gomez (guillaume1.gomez@gmail.com)
3//
4
5pub trait Pow {
6    /// This routine computes the power x^n for integer n. The power is computed efficiently—for example, x^8 is computed as ((x^2)^2)^2, requiring only 3 multiplications.
7    /// A version of this function which also computes the numerical error in the result is available as gsl_sf_pow_int_e.
8    fn pow_int(&self, n: i32) -> Self;
9    /// This routine computes the power x^n for integer n. The power is computed efficiently—for example, x^8 is computed as ((x^2)^2)^2, requiring only 3 multiplications.
10    /// A version of this function which also computes the numerical error in the result is available as gsl_sf_pow_int_e.
11    fn pow_uint(&self, n: u32) -> Self;
12    /// This function can be used to compute small integer powers x^2, x^3, etc. efficiently.
13    fn pow_2(&self) -> Self;
14    /// This function can be used to compute small integer powers x^2, x^3, etc. efficiently.
15    fn pow_3(&self) -> Self;
16    /// This function can be used to compute small integer powers x^2, x^3, etc. efficiently.
17    fn pow_4(&self) -> Self;
18    /// This function can be used to compute small integer powers x^2, x^3, etc. efficiently.
19    fn pow_5(&self) -> Self;
20    /// This function can be used to compute small integer powers x^2, x^3, etc. efficiently.
21    fn pow_6(&self) -> Self;
22    /// This function can be used to compute small integer powers x^2, x^3, etc. efficiently.
23    fn pow_7(&self) -> Self;
24    /// This function can be used to compute small integer powers x^2, x^3, etc. efficiently.
25    fn pow_8(&self) -> Self;
26    /// This function can be used to compute small integer powers x^2, x^3, etc. efficiently.
27    fn pow_9(&self) -> Self;
28}
29
30impl Pow for f64 {
31    #[doc(alias = "gsl_pow_int")]
32    fn pow_int(&self, n: i32) -> f64 {
33        unsafe { ::sys::gsl_pow_int(*self, n) }
34    }
35
36    #[doc(alias = "gsl_pow_uint")]
37    fn pow_uint(&self, n: u32) -> f64 {
38        unsafe { ::sys::gsl_pow_uint(*self, n) }
39    }
40
41    #[doc(alias = "gsl_pow_2")]
42    fn pow_2(&self) -> f64 {
43        unsafe { ::sys::gsl_pow_2(*self) }
44    }
45
46    #[doc(alias = "gsl_pow_3")]
47    fn pow_3(&self) -> f64 {
48        unsafe { ::sys::gsl_pow_3(*self) }
49    }
50
51    #[doc(alias = "gsl_pow_4")]
52    fn pow_4(&self) -> f64 {
53        unsafe { ::sys::gsl_pow_4(*self) }
54    }
55
56    #[doc(alias = "gsl_pow_5")]
57    fn pow_5(&self) -> f64 {
58        unsafe { ::sys::gsl_pow_5(*self) }
59    }
60
61    #[doc(alias = "gsl_pow_6")]
62    fn pow_6(&self) -> f64 {
63        unsafe { ::sys::gsl_pow_6(*self) }
64    }
65
66    #[doc(alias = "gsl_pow_7")]
67    fn pow_7(&self) -> f64 {
68        unsafe { ::sys::gsl_pow_7(*self) }
69    }
70
71    #[doc(alias = "gsl_pow_8")]
72    fn pow_8(&self) -> f64 {
73        unsafe { ::sys::gsl_pow_8(*self) }
74    }
75
76    #[doc(alias = "gsl_pow_9")]
77    fn pow_9(&self) -> f64 {
78        unsafe { ::sys::gsl_pow_9(*self) }
79    }
80}
rgsl/pow.rs

rgsl/
pow.rs
