embedded_charts/math/
traits.rs

1//! Math operation traits for different numeric backends.
2
3use core::fmt::Debug;
4
5/// Core mathematical operations that all numeric types should support
6pub trait MathOps<T>: Copy + Clone + Debug {
7    /// Calculate the square root
8    fn sqrt(self) -> T;
9
10    /// Calculate the absolute value
11    fn abs(self) -> T;
12
13    /// Return the minimum of two values
14    fn min(self, other: T) -> T;
15
16    /// Return the maximum of two values
17    fn max(self, other: T) -> T;
18
19    /// Calculate the floor (largest integer less than or equal to the value)
20    fn floor(self) -> T;
21
22    /// Calculate the ceiling (smallest integer greater than or equal to the value)
23    fn ceil(self) -> T;
24
25    /// Raise to a power
26    fn pow(self, exp: T) -> T;
27
28    /// Natural logarithm
29    fn ln(self) -> T;
30
31    /// Base-10 logarithm
32    fn log10(self) -> T;
33}
34
35/// Trigonometric operations
36pub trait TrigOps<T>: Copy + Clone + Debug {
37    /// Sine function (input in radians)
38    fn sin(self) -> T;
39
40    /// Cosine function (input in radians)
41    fn cos(self) -> T;
42
43    /// Tangent function (input in radians)
44    fn tan(self) -> T;
45
46    /// Convert degrees to radians
47    fn to_radians(self) -> T;
48
49    /// Convert radians to degrees
50    fn to_degrees(self) -> T;
51}
52
53/// Trait for types that can behave like floating-point numbers
54pub trait FloatLike<T>: MathOps<T> + TrigOps<T> + PartialOrd + PartialEq {
55    /// Zero value
56    fn zero() -> T;
57
58    /// One value
59    fn one() -> T;
60
61    /// Pi constant
62    fn pi() -> T;
63
64    /// Check if the value is finite
65    fn is_finite(self) -> bool;
66
67    /// Check if the value is NaN
68    fn is_nan(self) -> bool;
69
70    /// Check if the value is infinite
71    fn is_infinite(self) -> bool;
72}
73
74/// Backend trait that provides math operations for a specific numeric type
75pub trait MathBackend<T> {
76    /// Calculate the square root
77    fn sqrt(&self, x: T) -> T;
78
79    /// Calculate the absolute value
80    fn abs(&self, x: T) -> T;
81
82    /// Return the minimum of two values
83    fn min(&self, a: T, b: T) -> T;
84
85    /// Return the maximum of two values
86    fn max(&self, a: T, b: T) -> T;
87
88    /// Calculate the floor
89    fn floor(&self, x: T) -> T;
90
91    /// Calculate the ceiling
92    fn ceil(&self, x: T) -> T;
93
94    /// Raise to a power
95    fn pow(&self, x: T, y: T) -> T;
96
97    /// Natural logarithm
98    fn ln(&self, x: T) -> T;
99
100    /// Base-10 logarithm
101    fn log10(&self, x: T) -> T;
102
103    /// Sine function
104    fn sin(&self, x: T) -> T;
105
106    /// Cosine function
107    fn cos(&self, x: T) -> T;
108
109    /// Tangent function
110    fn tan(&self, x: T) -> T;
111
112    /// Convert degrees to radians
113    fn to_radians(&self, degrees: T) -> T;
114
115    /// Convert radians to degrees
116    fn to_degrees(&self, radians: T) -> T;
117
118    /// Calculate atan2(y, x) - the angle from the positive x-axis to the point (x, y)
119    fn atan2(&self, y: T, x: T) -> T;
120}
embedded_charts/math/traits.rs

embedded_charts/math/
traits.rs
