Add calc module

This commit is contained in:
Martin Haug 2023-01-30 21:04:34 +01:00
parent 1ea0a93325
commit 0287b98ef3
12 changed files with 634 additions and 73 deletions

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@ -79,7 +79,7 @@ impl TableNode {
/// # Example /// # Example
/// ``` /// ```
/// #table( /// #table(
/// fill: (col, _) => if odd(col) { luma(240) } else { white }, /// fill: (col, _) => if calc.odd(col) { luma(240) } else { white },
/// align: (col, row) => /// align: (col, row) =>
/// if row == 0 { center } /// if row == 0 { center }
/// else if col == 0 { left } /// else if col == 0 { left }

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@ -1,15 +1,45 @@
use std::cmp::Ordering; use std::cmp::Ordering;
use typst::model::{Module, Scope};
use crate::prelude::*; use crate::prelude::*;
/// A module with computational functions.
pub fn calc() -> Module {
let mut scope = Scope::new();
scope.def_func::<AbsFunc>("abs");
scope.def_func::<PowFunc>("pow");
scope.def_func::<SqrtFunc>("sqrt");
scope.def_func::<SinFunc>("sin");
scope.def_func::<CosFunc>("cos");
scope.def_func::<TanFunc>("tan");
scope.def_func::<AsinFunc>("asin");
scope.def_func::<AcosFunc>("acos");
scope.def_func::<AtanFunc>("atan");
scope.def_func::<SinhFunc>("sinh");
scope.def_func::<CoshFunc>("cosh");
scope.def_func::<TanhFunc>("tanh");
scope.def_func::<LogFunc>("log");
scope.def_func::<FloorFunc>("floor");
scope.def_func::<CeilFunc>("ceil");
scope.def_func::<RoundFunc>("round");
scope.def_func::<ClampFunc>("clamp");
scope.def_func::<MinFunc>("min");
scope.def_func::<MaxFunc>("max");
scope.def_func::<EvenFunc>("even");
scope.def_func::<OddFunc>("odd");
scope.def_func::<ModFunc>("mod");
Module::new("calc").with_scope(scope)
}
/// # Absolute /// # Absolute
/// The absolute value of a numeric value. /// The absolute value of a numeric value.
/// ///
/// ## Example /// ## Example
/// ``` /// ```
/// #abs(-5) \ /// #calc.abs(-5) \
/// #abs(5pt - 2cm) \ /// #calc.abs(5pt - 2cm) \
/// #abs(2fr) /// #calc.abs(2fr)
/// ``` /// ```
/// ///
/// ## Parameters /// ## Parameters
@ -37,13 +67,482 @@ castable! {
v: Fr => Self(Value::Fraction(v.abs())), v: Fr => Self(Value::Fraction(v.abs())),
} }
/// # Power
/// Raise a value to some exponent.
///
/// ## Example
/// ```
/// #calc.pow(2, 3)
/// ```
///
/// ## Parameters
/// - base: Num (positional, required)
/// The base of the power.
/// - exponent: Num (positional, required)
/// The exponent of the power. Must be non-negative.
///
/// ## Category
/// calculate
#[func]
pub fn pow(args: &mut Args) -> SourceResult<Value> {
let base = args.expect::<Num>("base")?;
let exponent = args
.expect::<Spanned<Num>>("exponent")
.and_then(|n| match n.v {
Num::Int(i) if i > u32::MAX as i64 => bail!(n.span, "exponent too large"),
Num::Int(i) if i >= 0 => Ok(n),
Num::Float(f) if f >= 0.0 => Ok(n),
_ => bail!(n.span, "exponent must be non-negative"),
})?
.v;
Ok(base.apply2(exponent, |a, b| a.pow(b as u32), |a, b| a.powf(b)))
}
/// # Square Root
/// The square root of a number.
///
/// ## Example
/// ```
/// #calc.sqrt(16) \
/// #calc.sqrt(2.5)
/// ```
///
/// ## Parameters
/// - value: Num (positional, required)
/// The number whose square root to calculate. Must be non-negative.
///
/// ## Category
/// calculate
#[func]
pub fn sqrt(args: &mut Args) -> SourceResult<Value> {
let value = args.expect::<Spanned<Num>>("value")?;
if value.v.is_negative() {
bail!(value.span, "cannot take square root of negative number");
}
Ok(Value::Float(value.v.float().sqrt()))
}
/// # Sine
/// Calculate the sine of an angle. When called with an integer or a number,
/// they will be interpreted as radians.
///
/// ## Example
/// ```
/// #assert(calc.sin(90deg) == calc.sin(-270deg))
/// #calc.sin(1.5) \
/// #calc.sin(90deg)
/// ```
///
/// ## Parameters
/// - angle: AngleLike (positional, required)
/// The angle whose sine to calculate.
///
/// ## Category
/// calculate
#[func]
pub fn sin(args: &mut Args) -> SourceResult<Value> {
let arg = args.expect::<AngleLike>("angle")?;
Ok(Value::Float(match arg {
AngleLike::Angle(a) => a.sin(),
AngleLike::Int(n) => (n as f64).sin(),
AngleLike::Float(n) => n.sin(),
}))
}
/// # Cosine
/// Calculate the cosine of an angle. When called with an integer or a number,
/// they will be interpreted as radians.
///
/// ## Example
/// ```
/// #calc.cos(90deg)
/// #calc.cos(1.5) \
/// #calc.cos(90deg)
/// ```
///
/// ## Parameters
/// - angle: AngleLike (positional, required)
/// The angle whose cosine to calculate.
///
/// ## Category
/// calculate
#[func]
pub fn cos(args: &mut Args) -> SourceResult<Value> {
let arg = args.expect::<AngleLike>("angle")?;
Ok(Value::Float(match arg {
AngleLike::Angle(a) => a.cos(),
AngleLike::Int(n) => (n as f64).cos(),
AngleLike::Float(n) => n.cos(),
}))
}
/// # Tangent
/// Calculate the tangent of an angle. When called with an integer or a number,
/// they will be interpreted as radians.
///
/// ## Example
/// ```
/// #calc.tan(1.5) \
/// #calc.tan(90deg)
/// ```
///
/// ## Parameters
/// - angle: AngleLike (positional, required)
/// The angle whose tangent to calculate.
///
/// ## Category
/// calculate
#[func]
pub fn tan(args: &mut Args) -> SourceResult<Value> {
let arg = args.expect::<AngleLike>("angle")?;
Ok(Value::Float(match arg {
AngleLike::Angle(a) => a.tan(),
AngleLike::Int(n) => (n as f64).tan(),
AngleLike::Float(n) => n.tan(),
}))
}
/// # Arcsine
/// Calculate the arcsine of a number.
///
/// ## Example
/// ```
/// #calc.asin(0) \
/// #calc.asin(1)
/// ```
///
/// ## Parameters
/// - value: Num (positional, required)
/// The number whose arcsine to calculate. Must be between -1 and 1.
///
/// ## Category
/// calculate
#[func]
pub fn asin(args: &mut Args) -> SourceResult<Value> {
let Spanned { v, span } = args.expect::<Spanned<Num>>("value")?;
let val = v.float();
if val < -1.0 || val > 1.0 {
bail!(span, "arcsin must be between -1 and 1");
}
Ok(Value::Angle(Angle::rad(val.asin())))
}
/// # Arccosine
/// Calculate the arccosine of a number.
///
/// ## Example
/// ```
/// #calc.acos(0) \
/// #calc.acos(1)
/// ```
///
/// ## Parameters
/// - value: Num (positional, required)
/// The number whose arccosine to calculate. Must be between -1 and 1.
///
/// ## Category
/// calculate
#[func]
pub fn acos(args: &mut Args) -> SourceResult<Value> {
let Spanned { v, span } = args.expect::<Spanned<Num>>("value")?;
let val = v.float();
if val < -1.0 || val > 1.0 {
bail!(span, "arccos must be between -1 and 1");
}
Ok(Value::Angle(Angle::rad(val.acos())))
}
/// # Arctangent
/// Calculate the arctangent of a number.
///
/// ## Example
/// ```
/// #calc.atan(0) \
/// #calc.atan(1)
/// ```
///
/// ## Parameters
/// - value: Num (positional, required)
/// The number whose arctangent to calculate.
///
/// ## Category
/// calculate
#[func]
pub fn atan(args: &mut Args) -> SourceResult<Value> {
let value = args.expect::<Num>("value")?;
Ok(Value::Angle(Angle::rad(value.float().atan())))
}
/// # Hyperbolic sine
/// Calculate the hyperbolic sine of an angle. When called with an integer or
/// a number, they will be interpreted as radians.
///
/// ## Example
/// ```
/// #calc.sinh(0) \
/// #calc.sinh(45deg)
/// ```
///
/// ## Parameters
/// - angle: AngleLike (positional, required)
/// The angle whose hyperbolic sine to calculate.
///
/// ## Category
/// calculate
#[func]
pub fn sinh(args: &mut Args) -> SourceResult<Value> {
let arg = args.expect::<AngleLike>("angle")?;
Ok(Value::Float(match arg {
AngleLike::Angle(a) => a.to_rad(),
AngleLike::Int(n) => (n as f64).sinh(),
AngleLike::Float(n) => n.sinh(),
}))
}
/// # Hyperbolic cosine
/// Calculate the hyperbolic cosine of an angle. When called with an integer or
/// a number, they will be interpreted as radians.
///
/// ## Example
/// ```
/// #calc.cosh(0) \
/// #calc.cosh(45deg)
/// ```
///
/// ## Parameters
/// - angle: AngleLike (positional, required)
/// The angle whose hyperbolic cosine to calculate.
///
/// ## Category
/// calculate
#[func]
pub fn cosh(args: &mut Args) -> SourceResult<Value> {
let arg = args.expect::<AngleLike>("angle")?;
Ok(Value::Float(match arg {
AngleLike::Angle(a) => a.to_rad(),
AngleLike::Int(n) => (n as f64).cosh(),
AngleLike::Float(n) => n.cosh(),
}))
}
/// # Hyperbolic tangent
/// Calculate the hyperbolic tangent of an angle. When called with an integer or
/// a number, they will be interpreted as radians.
///
/// ## Example
/// ```
/// #calc.tanh(0) \
/// #calc.tanh(45deg)
/// ```
///
/// ## Parameters
/// - angle: AngleLike (positional, required)
/// The angle whose hyperbolic tangent to calculate.
///
/// ## Category
/// calculate
#[func]
pub fn tanh(args: &mut Args) -> SourceResult<Value> {
let arg = args.expect::<AngleLike>("angle")?;
Ok(Value::Float(match arg {
AngleLike::Angle(a) => a.to_rad(),
AngleLike::Int(n) => (n as f64).tanh(),
AngleLike::Float(n) => n.tanh(),
}))
}
/// # Logarithm
/// Calculate the logarithm of a number.
/// If the base is not specified, the logarithm is calculated in base 10.
///
/// ## Example
/// ```
/// #calc.log(100) \
/// ```
///
/// ## Parameters
/// - value: Num (positional, required)
/// The number whose logarithm to calculate.
/// - base: Num (named)
/// The base of the logarithm.
///
/// ## Category
/// calculate
#[func]
pub fn log(args: &mut Args) -> SourceResult<Value> {
let value = args.expect::<Num>("value")?;
let base = args.named::<Num>("base")?.unwrap_or_else(|| Num::Int(10));
Ok(value.apply2(base, |a, b| a.ilog(b) as i64, |a, b| a.log(b)))
}
/// # Round down
/// Round a number down to the nearest integer.
/// If the number is already an integer, it is returned unchanged.
///
/// ## Example
/// ```
/// #assert(calc.floor(3.14) == 3)
/// #assert(calc.floor(3) == 3)
/// #calc.floor(500.1)
/// ```
///
/// ## Parameters
/// - value: Num (positional, required)
/// The number to round down.
///
/// ## Category
/// calculate
#[func]
pub fn floor(args: &mut Args) -> SourceResult<Value> {
let value = args.expect::<Num>("value")?;
Ok(match value {
Num::Int(n) => Value::Int(n),
Num::Float(n) => Value::Int(n.floor() as i64),
})
}
/// # Round up
/// Round a number up to the nearest integer.
/// If the number is already an integer, it is returned unchanged.
///
/// ## Example
/// ```
/// #assert(calc.ceil(3.14) == 4)
/// #assert(calc.ceil(3) == 3)
/// #calc.ceil(500.1)
/// ```
///
/// ## Parameters
/// - value: Num (positional, required)
/// The number to round up.
///
/// ## Category
/// calculate
#[func]
pub fn ceil(args: &mut Args) -> SourceResult<Value> {
let value = args.expect::<Num>("value")?;
Ok(match value {
Num::Int(n) => Value::Int(n),
Num::Float(n) => Value::Int(n.ceil() as i64),
})
}
/// # Round
/// Round a number to the nearest integer.
/// Optionally, a number of decimal places can be specified.
///
/// ## Example
/// ```
/// #assert(calc.round(3.14) == 3)
/// #assert(calc.round(3.5) == 4)
/// #calc.round(3.1415, digits: 2)
/// ```
///
/// ## Parameters
/// - value: Num (positional, required)
/// The number to round.
/// - digits: i64 (named)
///
/// ## Category
/// calculate
#[func]
pub fn round(args: &mut Args) -> SourceResult<Value> {
let value = args.expect::<Num>("value")?;
let digits = args.named::<Spanned<i64>>("digits").and_then(|n| match n {
Some(Spanned { v, span }) if v < 0 => {
bail!(span, "digits must be non-negative")
}
Some(Spanned { v, span }) if v > i32::MAX as i64 => {
bail!(span, "digits must be less than {}", i32::MAX)
}
Some(Spanned { v, .. }) => Ok(v as i32),
None => Ok(0),
})?;
Ok(match value {
Num::Int(n) if digits == 0 => Value::Int(n),
_ => {
let n = value.float();
let factor = 10.0_f64.powi(digits) as f64;
Value::Float((n * factor).round() / factor)
}
})
}
/// # Clamp
/// Clamp a number between a minimum and maximum value.
///
/// ## Example
/// ```
/// #assert(calc.clamp(5, 0, 10) == 5)
/// #assert(calc.clamp(5, 6, 10) == 6)
/// #calc.clamp(5, 0, 4)
/// ```
///
/// ## Parameters
/// - value: Num (positional, required)
/// The number to clamp.
/// - min: Num (positional, required)
/// The inclusive minimum value.
/// - max: Num (positional, required)
/// The inclusive maximum value.
///
/// ## Category
/// calculate
#[func]
pub fn clamp(args: &mut Args) -> SourceResult<Value> {
let value = args.expect::<Num>("value")?;
let min = args.expect::<Num>("min")?;
let max = args.expect::<Spanned<Num>>("max")?;
if max.v.float() < min.float() {
bail!(max.span, "max must be greater than or equal to min")
}
Ok(value.apply3(
min,
max.v,
|v, min, max| {
if v < min {
min
} else if v > max {
max
} else {
v
}
},
|v, min, max| {
if v < min {
min
} else if v > max {
max
} else {
v
}
},
))
}
/// # Minimum /// # Minimum
/// The minimum of a sequence of values. /// The minimum of a sequence of values.
/// ///
/// ## Example /// ## Example
/// ``` /// ```
/// #min(1, -3, -5, 20, 3, 6) \ /// #calc.min(1, -3, -5, 20, 3, 6) \
/// #min("typst", "in", "beta") /// #calc.min("typst", "in", "beta")
/// ``` /// ```
/// ///
/// ## Parameters /// ## Parameters
@ -65,8 +564,8 @@ pub fn min(args: &mut Args) -> SourceResult<Value> {
/// ///
/// ## Example /// ## Example
/// ``` /// ```
/// #max(1, -3, -5, 20, 3, 6) \ /// #calc.max(1, -3, -5, 20, 3, 6) \
/// #max("typst", "in", "beta") /// #calc.max("typst", "in", "beta")
/// ``` /// ```
/// ///
/// ## Parameters /// ## Parameters
@ -109,9 +608,9 @@ fn minmax(args: &mut Args, goal: Ordering) -> SourceResult<Value> {
/// ///
/// ## Example /// ## Example
/// ``` /// ```
/// #even(4) \ /// #calc.even(4) \
/// #even(5) \ /// #calc.even(5) \
/// #range(10).filter(even) /// #range(10).filter(calc.even)
/// ``` /// ```
/// ///
/// ## Parameters /// ## Parameters
@ -132,9 +631,9 @@ pub fn even(args: &mut Args) -> SourceResult<Value> {
/// ///
/// ## Example /// ## Example
/// ``` /// ```
/// #odd(4) \ /// #calc.odd(4) \
/// #odd(5) \ /// #calc.odd(5) \
/// #range(10).filter(odd) /// #range(10).filter(calc.odd)
/// ``` /// ```
/// ///
/// ///
@ -156,15 +655,15 @@ pub fn odd(args: &mut Args) -> SourceResult<Value> {
/// ///
/// ## Example /// ## Example
/// ``` /// ```
/// #mod(20, 6) \ /// #calc.mod(20, 6) \
/// #mod(1.75, 0.5) /// #calc.mod(1.75, 0.5)
/// ``` /// ```
/// ///
/// ## Parameters /// ## Parameters
/// - dividend: ToMod (positional, required) /// - dividend: Num (positional, required)
/// The dividend of the modulus. /// The dividend of the modulus.
/// ///
/// - divisor: ToMod (positional, required) /// - divisor: Num (positional, required)
/// The divisor of the modulus. /// The divisor of the modulus.
/// ///
/// - returns: integer or float /// - returns: integer or float
@ -200,10 +699,69 @@ pub fn mod_(args: &mut Args) -> SourceResult<Value> {
} }
/// A value which can be passed to the `mod` function. /// A value which can be passed to the `mod` function.
struct ToMod; #[derive(Debug, Copy, Clone)]
enum Num {
Int(i64),
Float(f64),
}
impl Num {
fn apply2(
self,
other: Self,
int: impl FnOnce(i64, i64) -> i64,
float: impl FnOnce(f64, f64) -> f64,
) -> Value {
match (self, other) {
(Self::Int(a), Self::Int(b)) => Value::Int(int(a, b)),
(a, b) => Value::Float(float(a.float(), b.float())),
}
}
fn apply3(
self,
other: Self,
third: Self,
int: impl FnOnce(i64, i64, i64) -> i64,
float: impl FnOnce(f64, f64, f64) -> f64,
) -> Value {
match (self, other, third) {
(Self::Int(a), Self::Int(b), Self::Int(c)) => Value::Int(int(a, b, c)),
(a, b, c) => Value::Float(float(a.float(), b.float(), c.float())),
}
}
fn float(self) -> f64 {
match self {
Self::Int(v) => v as f64,
Self::Float(v) => v,
}
}
fn is_negative(self) -> bool {
match self {
Self::Int(v) => v < 0,
Self::Float(v) => v < 0.0,
}
}
}
castable! { castable! {
ToMod, Num,
_: i64 => Self, v: i64 => Self::Int(v),
_: f64 => Self, v: f64 => Self::Float(v),
}
/// A value that can be passed to a trigonometric function.
enum AngleLike {
Int(i64),
Float(f64),
Angle(Angle),
}
castable! {
AngleLike,
v: i64 => Self::Int(v),
v: f64 => Self::Float(v),
v: Angle => Self::Angle(v),
} }

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@ -19,12 +19,13 @@ use self::layout::LayoutRoot;
pub fn build() -> Library { pub fn build() -> Library {
let sym = text::sym(); let sym = text::sym();
let math = math::module(&sym); let math = math::module(&sym);
let global = global(sym, math.clone()); let calc = compute::calc();
let global = global(sym, math.clone(), calc);
Library { global, math, styles: styles(), items: items() } Library { global, math, styles: styles(), items: items() }
} }
/// Construct the module with global definitions. /// Construct the module with global definitions.
fn global(sym: Module, math: Module) -> Module { fn global(sym: Module, math: Module, calc: Module) -> Module {
let mut global = Scope::deduplicating(); let mut global = Scope::deduplicating();
// Basics. // Basics.
@ -106,12 +107,6 @@ fn global(sym: Module, math: Module) -> Module {
global.def_func::<compute::LabelFunc>("label"); global.def_func::<compute::LabelFunc>("label");
global.def_func::<compute::RegexFunc>("regex"); global.def_func::<compute::RegexFunc>("regex");
global.def_func::<compute::RangeFunc>("range"); global.def_func::<compute::RangeFunc>("range");
global.def_func::<compute::AbsFunc>("abs");
global.def_func::<compute::MinFunc>("min");
global.def_func::<compute::MaxFunc>("max");
global.def_func::<compute::EvenFunc>("even");
global.def_func::<compute::OddFunc>("odd");
global.def_func::<compute::ModFunc>("mod");
global.def_func::<compute::ReadFunc>("read"); global.def_func::<compute::ReadFunc>("read");
global.def_func::<compute::CsvFunc>("csv"); global.def_func::<compute::CsvFunc>("csv");
global.def_func::<compute::JsonFunc>("json"); global.def_func::<compute::JsonFunc>("json");
@ -119,6 +114,9 @@ fn global(sym: Module, math: Module) -> Module {
global.def_func::<compute::LoremFunc>("lorem"); global.def_func::<compute::LoremFunc>("lorem");
global.def_func::<compute::NumberingFunc>("numbering"); global.def_func::<compute::NumberingFunc>("numbering");
// Calc.
global.define("calc", calc);
// Colors. // Colors.
global.define("black", Color::BLACK); global.define("black", Color::BLACK);
global.define("gray", Color::GRAY); global.define("gray", Color::GRAY);

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@ -64,6 +64,11 @@ impl Angle {
pub fn cos(self) -> f64 { pub fn cos(self) -> f64 {
self.to_rad().cos() self.to_rad().cos()
} }
/// Get the tangent of this angle in radians.
pub fn tan(self) -> f64 {
self.to_rad().tan()
}
} }
impl Numeric for Angle { impl Numeric for Angle {

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@ -43,7 +43,7 @@
spacing: 0.65em - 3pt, spacing: 0.65em - 3pt,
tight: false, tight: false,
numbering: n => text( numbering: n => text(
fill: (red, green, blue).at(mod(n, 3)), fill: (red, green, blue).at(calc.mod(n, 3)),
numbering("A", n), numbering("A", n),
), ),
[Red], [Green], [Blue], [Red], [Green], [Blue],

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@ -2,7 +2,7 @@
--- ---
#set page(height: 70pt) #set page(height: 70pt)
#set table(fill: (x, y) => if even(x + y) { rgb("aaa") }) #set table(fill: (x, y) => if calc.even(x + y) { rgb("aaa") })
#table( #table(
columns: (1fr,) * 3, columns: (1fr,) * 3,

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@ -148,8 +148,8 @@
--- ---
// Test the `filter` method. // Test the `filter` method.
#test(().filter(even), ()) #test(().filter(calc.even), ())
#test((1, 2, 3, 4).filter(even), (2, 4)) #test((1, 2, 3, 4).filter(calc.even), (2, 4))
#test((7, 3, 2, 5, 1).filter(x => x < 5), (3, 2, 1)) #test((7, 3, 2, 5, 1).filter(x => x < 5), (3, 2, 1))
--- ---

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@ -41,7 +41,7 @@
#while x < 8 { #while x < 8 {
i += 1 i += 1
if mod(i, 3) == 0 { if calc.mod(i, 3) == 0 {
continue continue
} }
x += i x += i
@ -55,7 +55,7 @@
#let x = for i in range(5) { #let x = for i in range(5) {
"a" "a"
if mod(i, 3) == 0 { if calc.mod(i, 3) == 0 {
"_" "_"
continue continue
} }

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@ -37,9 +37,9 @@
// Test spreading array and dictionary. // Test spreading array and dictionary.
#{ #{
let more = (3, -3, 6, 10) let more = (3, -3, 6, 10)
test(min(1, 2, ..more), -3) test(calc.min(1, 2, ..more), -3)
test(max(..more, 9), 10) test(calc.max(..more, 9), 10)
test(max(..more, 11), 11) test(calc.max(..more, 11), 11)
} }
#{ #{
@ -56,8 +56,8 @@
#f(..for x in () []) #f(..for x in () [])
--- ---
// Error: 8-14 cannot spread string // Error: 13-19 cannot spread string
#min(.."nope") #calc.min(.."nope")
--- ---
// Error: 10-14 expected identifier, found boolean // Error: 10-14 expected identifier, found boolean

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@ -88,7 +88,7 @@
let caps = match.captures let caps = match.captures
time += 60 * int(caps.at(0)) + int(caps.at(1)) time += 60 * int(caps.at(0)) + int(caps.at(1))
} }
str(int(time / 60)) + ":" + str(mod(time, 60)) str(int(time / 60)) + ":" + str(calc.mod(time, 60))
} }
#test(timesum(""), "0:0") #test(timesum(""), "0:0")

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@ -30,55 +30,55 @@
--- ---
// Test the `abs` function. // Test the `abs` function.
#test(abs(-3), 3) #test(calc.abs(-3), 3)
#test(abs(3), 3) #test(calc.abs(3), 3)
#test(abs(-0.0), 0.0) #test(calc.abs(-0.0), 0.0)
#test(abs(0.0), -0.0) #test(calc.abs(0.0), -0.0)
#test(abs(-3.14), 3.14) #test(calc.abs(-3.14), 3.14)
#test(abs(50%), 50%) #test(calc.abs(50%), 50%)
#test(abs(-25%), 25%) #test(calc.abs(-25%), 25%)
--- ---
// Error: 6-17 expected integer, float, length, angle, ratio, or fraction, found string // Error: 11-22 expected integer, float, length, angle, ratio, or fraction, found string
#abs("no number") #calc.abs("no number")
--- ---
// Test the `even` and `odd` functions. // Test the `even` and `odd` functions.
#test(even(2), true) #test(calc.even(2), true)
#test(odd(2), false) #test(calc.odd(2), false)
#test(odd(-1), true) #test(calc.odd(-1), true)
#test(even(-11), false) #test(calc.even(-11), false)
--- ---
// Test the `mod` function. // Test the `mod` function.
#test(mod(1, 1), 0) #test(calc.mod(1, 1), 0)
#test(mod(5, 3), 2) #test(calc.mod(5, 3), 2)
#test(mod(5, -3), 2) #test(calc.mod(5, -3), 2)
#test(mod(22.5, 10), 2.5) #test(calc.mod(22.5, 10), 2.5)
#test(mod(9, 4.5), 0) #test(calc.mod(9, 4.5), 0)
--- ---
// Error: 9-10 divisor must not be zero // Error: 14-15 divisor must not be zero
#mod(5, 0) #calc.mod(5, 0)
--- ---
// Error: 11-14 divisor must not be zero // Error: 16-19 divisor must not be zero
#mod(3.0, 0.0) #calc.mod(3.0, 0.0)
--- ---
// Test the `min` and `max` functions. // Test the `min` and `max` functions.
#test(min(2, -4), -4) #test(calc.min(2, -4), -4)
#test(min(3.5, 1e2, -0.1, 3), -0.1) #test(calc.min(3.5, 1e2, -0.1, 3), -0.1)
#test(max(-3, 11), 11) #test(calc.max(-3, 11), 11)
#test(min("hi"), "hi") #test(calc.min("hi"), "hi")
--- ---
// Error: 5-7 missing argument: value // Error: 10-12 missing argument: value
#min() #calc.min()
--- ---
// Error: 9-13 cannot compare integer and string // Error: 14-18 cannot compare integer and string
#min(1, "hi") #calc.min(1, "hi")
--- ---
// Test the `range` function. // Test the `range` function.

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@ -19,7 +19,7 @@ It is the east, and Juliet is the sun.
#set block(spacing: 100pt) #set block(spacing: 100pt)
#show table: set block(above: 5pt, below: 5pt) #show table: set block(above: 5pt, below: 5pt)
Hello Hello
#table(columns: 4, fill: (x, y) => if odd(x + y) { silver })[A][B][C][D] #table(columns: 4, fill: (x, y) => if calc.odd(x + y) { silver })[A][B][C][D]
--- ---
// While we're at it, test the larger block spacing wins. // While we're at it, test the larger block spacing wins.