nalgebra/tests/lib.rs

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Rust
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#[cfg(not(all(
feature = "debug",
feature = "compare",
feature = "rand",
feature = "macros"
)))]
compile_error!(
"Please enable the `debug`, `compare`, `rand` and `macros` features in order to compile and run the tests.
Example: `cargo test --features debug,compare,rand,macros`"
);
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// make sure to test the parallel iterators for all builds that do not require no_std
#[cfg(all(feature = "std", not(feature = "rayon-par")))]
compile_error!("Please additionally enable the `rayon-par` feature to compile and run the tests");
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#[cfg(all(feature = "debug", feature = "compare", feature = "rand"))]
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#[macro_use]
extern crate approx;
extern crate nalgebra as na;
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extern crate num_traits as num;
#[cfg(feature = "rand")]
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extern crate rand_package as rand;
#[cfg(all(feature = "debug", feature = "compare", feature = "rand"))]
mod core;
#[cfg(all(feature = "debug", feature = "compare", feature = "rand"))]
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mod geometry;
#[cfg(all(feature = "debug", feature = "compare", feature = "rand"))]
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mod linalg;
#[cfg(all(feature = "debug", feature = "compare", feature = "rand"))]
#[cfg(feature = "proptest-support")]
mod proptest;
//#[cfg(all(feature = "debug", feature = "compare", feature = "rand"))]
//#[cfg(feature = "sparse")]
//mod sparse;
mod utils {
/// Checks if a slice is sorted in descending order.
pub fn is_sorted_descending<T: PartialOrd>(slice: &[T]) -> bool {
slice.windows(2).all(|elts| elts[0] >= elts[1])
}
}