forked from M-Labs/nalgebra
Add see also + examples for scalar min/max.
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@ -3,21 +3,77 @@ use na;
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use traits::Number;
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/// Returns the maximum among three values.
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///
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/// # Examples:
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///
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/// ```
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/// # use nalgebra_glm as glm;
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/// assert_eq!(3.0, glm::max3_scalar(1.0, 2.0, 3.0));
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/// assert_eq!(2, glm::max3_scalar(0, 1, 2));
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/// ```
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///
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/// # See also:
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///
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/// * [`max4_scalar`](fn.max4_scalar.html)
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/// * [`min3_scalar`](fn.min3_scalar.html)
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/// * [`min4_scalar`](fn.min4_scalar.html)
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pub fn max3_scalar<N: Number>(a: N, b: N, c: N) -> N {
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na::sup(&na::sup(&a, &b), &c)
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}
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/// Returns the maximum among four values.
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///
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/// # Examples:
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///
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/// ```
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/// # use nalgebra_glm as glm;
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/// assert_eq!(4.0, glm::max4_scalar(2.0, 4.0, 1.0, 3.0));
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/// assert_eq!(7, glm::max4_scalar(1, 0, 7, 2));
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/// ```
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///
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/// # See also:
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///
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/// * [`max3_scalar`](fn.max3_scalar.html)
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/// * [`min3_scalar`](fn.min3_scalar.html)
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/// * [`min4_scalar`](fn.min4_scalar.html)
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pub fn max4_scalar<N: Number>(a: N, b: N, c: N, d: N) -> N {
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na::sup(&na::sup(&a, &b), &na::sup(&c, &d))
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}
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/// Returns the minimum among three values.
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///
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/// # Examples:
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///
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/// ```
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/// # use nalgebra_glm as glm;
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/// assert_eq!(1.0, glm::min3_scalar(1.0, 2.0, 3.0));
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/// assert_eq!(0, glm::min3_scalar(0, 1, 2));
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/// ```
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///
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/// # See also:
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///
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/// * [`max3_scalar`](fn.max3_scalar.html)
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/// * [`max4_scalar`](fn.max4_scalar.html)
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/// * [`min4_scalar`](fn.min4_scalar.html)
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pub fn min3_scalar<N: Number>(a: N, b: N, c: N) -> N {
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na::inf(&na::inf(&a, &b), &c)
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}
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/// Returns the minimum among four values.
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///
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/// # Examples:
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///
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/// ```
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/// # use nalgebra_glm as glm;
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/// assert_eq!(1.0, glm::min4_scalar(2.0, 4.0, 1.0, 3.0));
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/// assert_eq!(0, glm::min4_scalar(1, 0, 7, 2));
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/// ```
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///
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/// # See also:
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///
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/// * [`max3_scalar`](fn.max3_scalar.html)
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/// * [`max4_scalar`](fn.max4_scalar.html)
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/// * [`min3_scalar`](fn.min3_scalar.html)
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pub fn min4_scalar<N: Number>(a: N, b: N, c: N, d: N) -> N {
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na::inf(&na::inf(&a, &b), &na::inf(&c, &d))
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}
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