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Provide short-cuts to Decimal calculations.

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This commit is contained in:
Stephen Chung
2021-02-15 17:42:33 +08:00
parent f5c2903071
commit 909d48caed
2 changed files with 88 additions and 22 deletions
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30
src/packages/arithmetic.rs
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@@ -357,7 +357,7 @@ mod decimal_functions {
use rust_decimal::{prelude::Zero, Decimal};
#[rhai_fn(name = "+", return_raw)]
pub fn add_dd(x: Decimal, y: Decimal) -> Result<Dynamic, Box<EvalAltResult>> {
pub fn add(x: Decimal, y: Decimal) -> Result<Dynamic, Box<EvalAltResult>> {
if cfg!(not(feature = "unchecked")) {
x.checked_add(y)
.ok_or_else(|| make_err(format!("Addition overflow: {} + {}", x, y)))
@@ -368,14 +368,14 @@ mod decimal_functions {
}
#[rhai_fn(name = "+", return_raw)]
pub fn add_id(x: INT, y: Decimal) -> Result<Dynamic, Box<EvalAltResult>> {
add_dd(x.into(), y)
add(x.into(), y)
}
#[rhai_fn(name = "+", return_raw)]
pub fn add_di(x: Decimal, y: INT) -> Result<Dynamic, Box<EvalAltResult>> {
add_dd(x, y.into())
add(x, y.into())
}
#[rhai_fn(name = "-", return_raw)]
pub fn subtract_dd(x: Decimal, y: Decimal) -> Result<Dynamic, Box<EvalAltResult>> {
pub fn subtract(x: Decimal, y: Decimal) -> Result<Dynamic, Box<EvalAltResult>> {
if cfg!(not(feature = "unchecked")) {
x.checked_sub(y)
.ok_or_else(|| make_err(format!("Subtraction overflow: {} - {}", x, y)))
@@ -386,14 +386,14 @@ mod decimal_functions {
}
#[rhai_fn(name = "-", return_raw)]
pub fn subtract_id(x: INT, y: Decimal) -> Result<Dynamic, Box<EvalAltResult>> {
subtract_dd(x.into(), y)
subtract(x.into(), y)
}
#[rhai_fn(name = "-", return_raw)]
pub fn subtract_di(x: Decimal, y: INT) -> Result<Dynamic, Box<EvalAltResult>> {
subtract_dd(x, y.into())
subtract(x, y.into())
}
#[rhai_fn(name = "*", return_raw)]
pub fn multiply_dd(x: Decimal, y: Decimal) -> Result<Dynamic, Box<EvalAltResult>> {
pub fn multiply(x: Decimal, y: Decimal) -> Result<Dynamic, Box<EvalAltResult>> {
if cfg!(not(feature = "unchecked")) {
x.checked_mul(y)
.ok_or_else(|| make_err(format!("Multiplication overflow: {} * {}", x, y)))
@@ -404,14 +404,14 @@ mod decimal_functions {
}
#[rhai_fn(name = "*", return_raw)]
pub fn multiply_id(x: INT, y: Decimal) -> Result<Dynamic, Box<EvalAltResult>> {
multiply_dd(x.into(), y)
multiply(x.into(), y)
}
#[rhai_fn(name = "*", return_raw)]
pub fn multiply_di(x: Decimal, y: INT) -> Result<Dynamic, Box<EvalAltResult>> {
multiply_dd(x, y.into())
multiply(x, y.into())
}
#[rhai_fn(name = "/", return_raw)]
pub fn divide_dd(x: Decimal, y: Decimal) -> Result<Dynamic, Box<EvalAltResult>> {
pub fn divide(x: Decimal, y: Decimal) -> Result<Dynamic, Box<EvalAltResult>> {
if cfg!(not(feature = "unchecked")) {
// Detect division by zero
if y == Decimal::zero() {
@@ -427,14 +427,14 @@ mod decimal_functions {
}
#[rhai_fn(name = "/", return_raw)]
pub fn divide_id(x: INT, y: Decimal) -> Result<Dynamic, Box<EvalAltResult>> {
divide_dd(x.into(), y)
divide(x.into(), y)
}
#[rhai_fn(name = "/", return_raw)]
pub fn divide_di(x: Decimal, y: INT) -> Result<Dynamic, Box<EvalAltResult>> {
divide_dd(x, y.into())
divide(x, y.into())
}
#[rhai_fn(name = "%", return_raw)]
pub fn modulo_dd(x: Decimal, y: Decimal) -> Result<Dynamic, Box<EvalAltResult>> {
pub fn modulo(x: Decimal, y: Decimal) -> Result<Dynamic, Box<EvalAltResult>> {
if cfg!(not(feature = "unchecked")) {
x.checked_rem(y)
.ok_or_else(|| {
@@ -450,11 +450,11 @@ mod decimal_functions {
}
#[rhai_fn(name = "%", return_raw)]
pub fn modulo_id(x: INT, y: Decimal) -> Result<Dynamic, Box<EvalAltResult>> {
modulo_dd(x.into(), y)
modulo(x.into(), y)
}
#[rhai_fn(name = "%", return_raw)]
pub fn modulo_di(x: Decimal, y: INT) -> Result<Dynamic, Box<EvalAltResult>> {
modulo_dd(x, y.into())
modulo(x, y.into())
}
#[rhai_fn(name = "-")]
pub fn neg(x: Decimal) -> Decimal {