17 lines
605 B
Rust
17 lines
605 B
Rust
use na::{Real, DefaultAllocator};
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use traits::{Alloc, Dimension};
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use aliases::TMat;
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/// Fast matrix inverse for affine matrix.
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pub fn affine_inverse<N: Real, D: Dimension>(m: TMat<N, D, D>) -> TMat<N, D, D>
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where DefaultAllocator: Alloc<N, D, D> {
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// FIXME: this should be optimized.
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m.try_inverse().unwrap_or(TMat::<_, D, D>::zeros())
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}
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/// Compute the transpose of the inverse of a matrix.
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pub fn inverse_transpose<N: Real, D: Dimension>(m: TMat<N, D, D>) -> TMat<N, D, D>
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where DefaultAllocator: Alloc<N, D, D> {
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m.try_inverse().unwrap_or(TMat::<_, D, D>::zeros()).transpose()
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} |