506762f3ff
Currently all core and std macros are automatically added to the prelude via #[macro_use]. However a situation arose where we want to add a new macro `assert_matches` but don't want to pull it into the standard prelude for compatibility reasons. By explicitly exporting the macros found in the core and std crates we get to decide on a per macro basis and can later add them via the rust_20xx preludes.
59 lines
1.8 KiB
Rust
59 lines
1.8 KiB
Rust
#![feature(prelude_import)]
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#![no_std]
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//@ only-nightly
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#![feature(autodiff)]
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extern crate std;
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#[prelude_import]
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use ::std::prelude::rust_2015::*;
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//@ pretty-mode:expanded
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//@ pretty-compare-only
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//@ pp-exact:autodiff_reverse.pp
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// Test that reverse mode ad macros are expanded correctly.
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use std::autodiff::autodiff_reverse;
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#[rustc_autodiff]
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pub fn f1(x: &[f64], y: f64) -> f64 {
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// Not the most interesting derivative, but who are we to judge
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// What happens if we already have Reverse in type (enum variant decl) and value (enum variant
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// constructor) namespace? > It's expected to work normally.
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::core::panicking::panic("not implemented")
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}
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#[rustc_autodiff(Reverse, 1, Duplicated, Const, Active)]
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pub fn df1(x: &[f64], dx_0: &mut [f64], y: f64, dret: f64) -> f64 {
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::core::intrinsics::autodiff(f1::<>, df1::<>, (x, dx_0, y, dret))
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}
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#[rustc_autodiff]
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pub fn f2() {}
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#[rustc_autodiff(Reverse, 1, None)]
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pub fn df2() { ::core::intrinsics::autodiff(f2::<>, df2::<>, ()) }
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#[rustc_autodiff]
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pub fn f3(x: &[f64], y: f64) -> f64 {
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::core::panicking::panic("not implemented")
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}
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#[rustc_autodiff(Reverse, 1, Duplicated, Const, Active)]
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pub fn df3(x: &[f64], dx_0: &mut [f64], y: f64, dret: f64) -> f64 {
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::core::intrinsics::autodiff(f3::<>, df3::<>, (x, dx_0, y, dret))
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}
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enum Foo { Reverse, }
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use Foo::Reverse;
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#[rustc_autodiff]
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pub fn f4(x: f32) { ::core::panicking::panic("not implemented") }
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#[rustc_autodiff(Reverse, 1, Const, None)]
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pub fn df4(x: f32) { ::core::intrinsics::autodiff(f4::<>, df4::<>, (x,)) }
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#[rustc_autodiff]
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pub fn f5(x: *const f32, y: &f32) {
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::core::panicking::panic("not implemented")
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}
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#[rustc_autodiff(Reverse, 1, DuplicatedOnly, Duplicated, None)]
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pub unsafe fn df5(x: *const f32, dx_0: *mut f32, y: &f32, dy_0: &mut f32) {
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::core::intrinsics::autodiff(f5::<>, df5::<>, (x, dx_0, y, dy_0))
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}
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fn main() {}
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