Merge pull request #123 from ISibboI/120-raising-a-number-to-a-negative-power-does-not-work-as-expected
Fix precedence of unary operators
This commit is contained in:
commit
a951bc0193
281
.github/workflows/ci.yml
vendored
281
.github/workflows/ci.yml
vendored
@ -1,62 +1,143 @@
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name: Continuous Integration
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name: CI
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||||||
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|
||||||
on: [push, pull_request]
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on:
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||||||
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pull_request:
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||||||
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push:
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||||||
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|
||||||
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env:
|
||||||
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RUSTFLAGS: -Dwarnings
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||||||
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|
||||||
jobs:
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jobs:
|
||||||
build_test_format_lint:
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precheck_default:
|
||||||
name: ${{matrix.command.name}} (${{matrix.toolchain}})
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name: Check default
|
||||||
runs-on: ubuntu-latest
|
runs-on: ${{ matrix.os }}
|
||||||
|
|
||||||
strategy:
|
strategy:
|
||||||
fail-fast: false
|
|
||||||
matrix:
|
matrix:
|
||||||
toolchain: [stable, beta, nightly, 1.46.0]
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os: [ubuntu-latest]
|
||||||
command:
|
rust: [stable]
|
||||||
- name: Check
|
|
||||||
command: check
|
|
||||||
args: --all-features
|
|
||||||
components: ""
|
|
||||||
- name: Test
|
|
||||||
command: test
|
|
||||||
args: --all-features
|
|
||||||
components: ""
|
|
||||||
include:
|
|
||||||
- toolchain: nightly
|
|
||||||
command:
|
|
||||||
name: Format
|
|
||||||
command: fmt
|
|
||||||
args: --all -- --check
|
|
||||||
components: rustfmt
|
|
||||||
- toolchain: nightly
|
|
||||||
command:
|
|
||||||
name: Lint
|
|
||||||
command: clippy
|
|
||||||
args: --all-features --tests --benches
|
|
||||||
components: clippy
|
|
||||||
- toolchain: stable
|
|
||||||
command:
|
|
||||||
name: Sync readme
|
|
||||||
command: sync-readme
|
|
||||||
args: --check
|
|
||||||
|
|
||||||
steps:
|
steps:
|
||||||
- uses: actions/checkout@v2
|
- uses: actions/checkout@master
|
||||||
- name: ⚡ Cache
|
|
||||||
uses: actions/cache@v2
|
|
||||||
with:
|
|
||||||
path: |
|
|
||||||
~/.cargo/registry
|
|
||||||
~/.cargo/git
|
|
||||||
target
|
|
||||||
key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}
|
|
||||||
|
|
||||||
- name: Install toolchain
|
- name: Install ${{ matrix.rust }}
|
||||||
uses: actions-rs/toolchain@v1
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uses: actions-rs/toolchain@v1
|
||||||
with:
|
with:
|
||||||
toolchain: ${{ matrix.toolchain }}
|
toolchain: ${{ matrix.rust }}
|
||||||
override: true
|
override: true
|
||||||
default: true
|
|
||||||
components: ${{matrix.command.components}}
|
- name: Rust cache
|
||||||
|
uses: Swatinem/rust-cache@v2
|
||||||
|
with:
|
||||||
|
key: ${{ matrix.os }}
|
||||||
|
|
||||||
|
- name: Check
|
||||||
|
uses: actions-rs/cargo@v1
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||||||
|
with:
|
||||||
|
command: check
|
||||||
|
args: --all --bins --examples --lib
|
||||||
|
|
||||||
|
precheck_all_features:
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||||||
|
name: Check all features
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||||||
|
runs-on: ${{ matrix.os }}
|
||||||
|
strategy:
|
||||||
|
matrix:
|
||||||
|
os: [ubuntu-latest]
|
||||||
|
rust: [stable]
|
||||||
|
|
||||||
|
steps:
|
||||||
|
- uses: actions/checkout@master
|
||||||
|
|
||||||
|
- name: Install ${{ matrix.rust }}
|
||||||
|
uses: actions-rs/toolchain@v1
|
||||||
|
with:
|
||||||
|
toolchain: ${{ matrix.rust }}
|
||||||
|
override: true
|
||||||
|
|
||||||
|
- name: Rust cache
|
||||||
|
uses: Swatinem/rust-cache@v2
|
||||||
|
with:
|
||||||
|
key: ${{ matrix.os }}
|
||||||
|
|
||||||
|
- name: Check
|
||||||
|
uses: actions-rs/cargo@v1
|
||||||
|
with:
|
||||||
|
command: check
|
||||||
|
args: --all-features --all --bins --examples --tests --lib
|
||||||
|
|
||||||
|
check_msrv:
|
||||||
|
needs: [precheck_default, precheck_all_features]
|
||||||
|
name: Check MSRV with all features
|
||||||
|
runs-on: ubuntu-latest
|
||||||
|
|
||||||
|
steps:
|
||||||
|
- uses: actions/checkout@master
|
||||||
|
|
||||||
|
- name: Install MSRV toolchain
|
||||||
|
uses: actions-rs/toolchain@v1
|
||||||
|
with:
|
||||||
|
toolchain: 1.56.1
|
||||||
|
override: true
|
||||||
|
|
||||||
|
- name: Rust cache
|
||||||
|
uses: Swatinem/rust-cache@v2
|
||||||
|
|
||||||
|
- name: Check
|
||||||
|
uses: actions-rs/cargo@v1
|
||||||
|
with:
|
||||||
|
command: check
|
||||||
|
args: --all-features --all --bins --examples --tests --lib
|
||||||
|
|
||||||
|
check_benches:
|
||||||
|
needs: [precheck_default, precheck_all_features]
|
||||||
|
name: Check benches with all features
|
||||||
|
runs-on: ${{ matrix.os }}
|
||||||
|
strategy:
|
||||||
|
matrix:
|
||||||
|
os: [ ubuntu-latest ]
|
||||||
|
rust: [ nightly ]
|
||||||
|
|
||||||
|
steps:
|
||||||
|
- uses: actions/checkout@master
|
||||||
|
|
||||||
|
- name: Install ${{ matrix.rust }}
|
||||||
|
uses: actions-rs/toolchain@v1
|
||||||
|
with:
|
||||||
|
toolchain: ${{ matrix.rust }}
|
||||||
|
override: true
|
||||||
|
|
||||||
|
- name: Rust cache
|
||||||
|
uses: Swatinem/rust-cache@v2
|
||||||
|
with:
|
||||||
|
key: ${{ matrix.os }}
|
||||||
|
|
||||||
|
- name: Check
|
||||||
|
uses: actions-rs/cargo@v1
|
||||||
|
with:
|
||||||
|
command: check
|
||||||
|
args: --all-features --all --bins --benches --examples --tests --lib
|
||||||
|
|
||||||
|
check_sync_readme:
|
||||||
|
needs: [precheck_default, precheck_all_features]
|
||||||
|
name: Check sync readme
|
||||||
|
runs-on: ${{ matrix.os }}
|
||||||
|
strategy:
|
||||||
|
matrix:
|
||||||
|
os: [ ubuntu-latest ]
|
||||||
|
rust: [ stable ]
|
||||||
|
|
||||||
|
steps:
|
||||||
|
- uses: actions/checkout@master
|
||||||
|
|
||||||
|
- name: Install ${{ matrix.rust }}
|
||||||
|
uses: actions-rs/toolchain@v1
|
||||||
|
with:
|
||||||
|
toolchain: ${{ matrix.rust }}
|
||||||
|
override: true
|
||||||
|
|
||||||
|
- name: Rust cache
|
||||||
|
uses: Swatinem/rust-cache@v2
|
||||||
|
with:
|
||||||
|
key: ${{ matrix.os }}
|
||||||
|
|
||||||
- name: Install cargo-sync-readme
|
- name: Install cargo-sync-readme
|
||||||
uses: actions-rs/cargo@v1
|
uses: actions-rs/cargo@v1
|
||||||
@ -64,49 +145,93 @@ jobs:
|
|||||||
command: install
|
command: install
|
||||||
args: cargo-sync-readme
|
args: cargo-sync-readme
|
||||||
|
|
||||||
- name: ${{matrix.command.name}}
|
- name: Sync readme check
|
||||||
uses: actions-rs/cargo@v1
|
uses: actions-rs/cargo@v1
|
||||||
with:
|
with:
|
||||||
command: ${{matrix.command.command}}
|
command: sync-readme
|
||||||
args: ${{matrix.command.args}}
|
args: --check
|
||||||
|
|
||||||
coveralls_io:
|
check_platform_compatibility:
|
||||||
name: Coverage
|
needs: [precheck_default, precheck_all_features]
|
||||||
runs-on: ubuntu-latest
|
name: Check platform compatibility
|
||||||
|
runs-on: ${{ matrix.os }}
|
||||||
|
strategy:
|
||||||
|
fail-fast: false
|
||||||
|
matrix:
|
||||||
|
os: [ubuntu-latest, macOS-latest, windows-latest]
|
||||||
|
rust: [stable]
|
||||||
|
|
||||||
steps:
|
steps:
|
||||||
- uses: actions/checkout@v2
|
- uses: actions/checkout@master
|
||||||
- name: ⚡ Cache
|
|
||||||
uses: actions/cache@v2
|
|
||||||
with:
|
|
||||||
path: |
|
|
||||||
~/.cargo/registry
|
|
||||||
~/.cargo/git
|
|
||||||
target
|
|
||||||
key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}
|
|
||||||
|
|
||||||
- name: Install toolchain
|
- name: Install ${{ matrix.rust }}
|
||||||
uses: actions-rs/toolchain@v1
|
uses: actions-rs/toolchain@v1
|
||||||
with:
|
with:
|
||||||
toolchain: stable
|
toolchain: ${{ matrix.rust }}
|
||||||
override: true
|
override: true
|
||||||
default: true
|
|
||||||
|
|
||||||
- name: Install cargo-tarpaulin
|
- name: Rust cache
|
||||||
uses: actions-rs/install@v0.1
|
uses: Swatinem/rust-cache@v2
|
||||||
with:
|
with:
|
||||||
crate: cargo-tarpaulin
|
key: ${{ matrix.os }}
|
||||||
version: latest
|
|
||||||
use-tool-cache: true
|
|
||||||
|
|
||||||
- name: Coverage Report with tarpaulin
|
- name: Check
|
||||||
uses: actions-rs/cargo@v1
|
uses: actions-rs/cargo@v1
|
||||||
with:
|
with:
|
||||||
command: tarpaulin
|
command: check
|
||||||
args: --all --all-features --out Lcov -- --test-threads 1
|
args: --all-features --all --bins --examples --tests --lib
|
||||||
|
|
||||||
- name: Upload Coverage
|
detailed_tests:
|
||||||
uses: coverallsapp/github-action@master
|
needs: [precheck_default, precheck_all_features]
|
||||||
|
name: Check, test, doc, format and lint with all features
|
||||||
|
runs-on: ${{ matrix.os }}
|
||||||
|
strategy:
|
||||||
|
fail-fast: false
|
||||||
|
matrix:
|
||||||
|
os: [ubuntu-latest]
|
||||||
|
rust: [stable, beta, nightly]
|
||||||
|
|
||||||
|
steps:
|
||||||
|
- uses: actions/checkout@master
|
||||||
|
|
||||||
|
- name: Install ${{ matrix.rust }}
|
||||||
|
uses: actions-rs/toolchain@v1
|
||||||
with:
|
with:
|
||||||
github-token: ${{ secrets.GITHUB_TOKEN }}
|
toolchain: ${{ matrix.rust }}
|
||||||
path-to-lcov: ./lcov.info
|
components: rustfmt, clippy
|
||||||
|
override: true
|
||||||
|
|
||||||
|
- name: Rust cache
|
||||||
|
uses: Swatinem/rust-cache@v2
|
||||||
|
with:
|
||||||
|
key: ${{ matrix.os }}
|
||||||
|
|
||||||
|
- name: Check
|
||||||
|
uses: actions-rs/cargo@v1
|
||||||
|
with:
|
||||||
|
command: check
|
||||||
|
args: --all-features --all --bins --examples --tests --lib
|
||||||
|
|
||||||
|
- name: Test
|
||||||
|
uses: actions-rs/cargo@v1
|
||||||
|
with:
|
||||||
|
command: test
|
||||||
|
args: --all-features --all
|
||||||
|
|
||||||
|
- name: Docs
|
||||||
|
uses: actions-rs/cargo@v1
|
||||||
|
with:
|
||||||
|
command: doc
|
||||||
|
args: --all-features
|
||||||
|
|
||||||
|
- name: Format
|
||||||
|
uses: actions-rs/cargo@v1
|
||||||
|
with:
|
||||||
|
command: fmt
|
||||||
|
args: -- --check
|
||||||
|
|
||||||
|
- name: Lint
|
||||||
|
uses: actions-rs/cargo@v1
|
||||||
|
with:
|
||||||
|
command: clippy
|
||||||
|
args: --all-features --bins --examples --tests --lib
|
13
CHANGELOG.md
13
CHANGELOG.md
@ -16,6 +16,19 @@
|
|||||||
|
|
||||||
### Contributors
|
### Contributors
|
||||||
|
|
||||||
|
## [9.0.0](https://github.com/ISibboI/evalexpr/compare/8.2.0...9.0.0) - 2023-04-13
|
||||||
|
|
||||||
|
### Fixed
|
||||||
|
|
||||||
|
* Taking numbers to negative powers gave unexpected results (#120)
|
||||||
|
* **Update MSRV to 1.56.1 (2021 edition release)** to allow builds with the latest versions of all dependencies.
|
||||||
|
|
||||||
|
### Contributors
|
||||||
|
|
||||||
|
My warmhearted thanks goes to:
|
||||||
|
|
||||||
|
* [Pham Nhat Huy](https://github.com/012e)
|
||||||
|
|
||||||
## [8.2.0](https://github.com/ISibboI/evalexpr/compare/8.1.0...8.2.0) - 2023-04-13
|
## [8.2.0](https://github.com/ISibboI/evalexpr/compare/8.1.0...8.2.0) - 2023-04-13
|
||||||
|
|
||||||
### Added
|
### Added
|
||||||
|
@ -11,7 +11,7 @@ documentation = "https://docs.rs/evalexpr"
|
|||||||
readme = "README.md"
|
readme = "README.md"
|
||||||
license = "MIT"
|
license = "MIT"
|
||||||
edition = "2018"
|
edition = "2018"
|
||||||
rust-version = "1.46.0"
|
rust-version = "1.56.1"
|
||||||
|
|
||||||
[badges]
|
[badges]
|
||||||
maintenance = { status = "actively-developed" }
|
maintenance = { status = "actively-developed" }
|
||||||
|
@ -173,6 +173,11 @@ impl Operator {
|
|||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
|
/// Returns true if this operator is unary, i.e. it requires exactly one argument.
|
||||||
|
pub(crate) fn is_unary(&self) -> bool {
|
||||||
|
self.max_argument_amount() == Some(1) && *self != Operator::RootNode
|
||||||
|
}
|
||||||
|
|
||||||
/// Evaluates the operator with the given arguments and context.
|
/// Evaluates the operator with the given arguments and context.
|
||||||
pub(crate) fn eval<C: Context>(
|
pub(crate) fn eval<C: Context>(
|
||||||
&self,
|
&self,
|
||||||
|
@ -459,8 +459,13 @@ impl Node {
|
|||||||
}
|
}
|
||||||
|
|
||||||
fn insert_back_prioritized(&mut self, node: Node, is_root_node: bool) -> EvalexprResult<()> {
|
fn insert_back_prioritized(&mut self, node: Node, is_root_node: bool) -> EvalexprResult<()> {
|
||||||
// println!("Inserting {:?} into {:?}", node.operator, self.operator());
|
// println!(
|
||||||
if self.operator().precedence() < node.operator().precedence() || is_root_node
|
// "Inserting {:?} into {:?}, is_root_node = {is_root_node}",
|
||||||
|
// node.operator(),
|
||||||
|
// self.operator()
|
||||||
|
// );
|
||||||
|
// println!("Self is {:?}", self);
|
||||||
|
if self.operator().precedence() < node.operator().precedence() || node.operator().is_unary() || is_root_node
|
||||||
// Right-to-left chaining
|
// Right-to-left chaining
|
||||||
|| (self.operator().precedence() == node.operator().precedence() && !self.operator().is_left_to_right() && !node.operator().is_left_to_right())
|
|| (self.operator().precedence() == node.operator().precedence() && !self.operator().is_left_to_right() && !node.operator().is_left_to_right())
|
||||||
{
|
{
|
||||||
@ -471,12 +476,15 @@ impl Node {
|
|||||||
let last_child_operator = self.children.last().unwrap().operator();
|
let last_child_operator = self.children.last().unwrap().operator();
|
||||||
|
|
||||||
if last_child_operator.precedence()
|
if last_child_operator.precedence()
|
||||||
< node.operator().precedence()
|
< node.operator().precedence() || node.operator().is_unary()
|
||||||
// Right-to-left chaining
|
// Right-to-left chaining
|
||||||
|| (last_child_operator.precedence()
|
|| (last_child_operator.precedence()
|
||||||
== node.operator().precedence() && !last_child_operator.is_left_to_right() && !node.operator().is_left_to_right())
|
== node.operator().precedence() && !last_child_operator.is_left_to_right() && !node.operator().is_left_to_right())
|
||||||
{
|
{
|
||||||
// println!("Recursing into {:?}", self.children.last().unwrap().operator());
|
// println!(
|
||||||
|
// "Recursing into {:?}",
|
||||||
|
// self.children.last().unwrap().operator()
|
||||||
|
// );
|
||||||
// Unwrap cannot fail because is_leaf being false and has_enough_children being true implies that the operator wants and has at least one child
|
// Unwrap cannot fail because is_leaf being false and has_enough_children being true implies that the operator wants and has at least one child
|
||||||
self.children
|
self.children
|
||||||
.last_mut()
|
.last_mut()
|
||||||
|
@ -2145,3 +2145,14 @@ fn test_variable_assignment_and_iteration() {
|
|||||||
variables.sort_unstable();
|
variables.sort_unstable();
|
||||||
assert_eq!(variables, vec!["a".to_string(), "b".to_string()],);
|
assert_eq!(variables, vec!["a".to_string(), "b".to_string()],);
|
||||||
}
|
}
|
||||||
|
|
||||||
|
#[test]
|
||||||
|
fn test_negative_power() {
|
||||||
|
println!("{:?}", build_operator_tree("3^-2").unwrap());
|
||||||
|
assert_eq!(eval("3^-2"), Ok(Value::Float(1.0 / 9.0)));
|
||||||
|
assert_eq!(eval("3^(-2)"), Ok(Value::Float(1.0 / 9.0)));
|
||||||
|
assert_eq!(eval("-3^2"), Ok(Value::Float(-9.0)));
|
||||||
|
assert_eq!(eval("-(3)^2"), Ok(Value::Float(-9.0)));
|
||||||
|
assert_eq!(eval("(-3)^-2"), Ok(Value::Float(1.0 / 9.0)));
|
||||||
|
assert_eq!(eval("-(3^-2)"), Ok(Value::Float(-1.0 / 9.0)));
|
||||||
|
}
|
||||||
|
Loading…
Reference in New Issue
Block a user