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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,138 @@ | ||
| //! Implementation of the FiniteF64 primitive | ||
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| use crate::{TemporalError, TemporalResult}; | ||
| use num_traits::{AsPrimitive, FromPrimitive}; | ||
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| #[derive(Debug, Default, Clone, Copy, PartialEq, PartialOrd)] | ||
| pub struct FiniteF64(pub(crate) f64); | ||
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| impl FiniteF64 { | ||
| #[inline] | ||
| pub fn as_inner(&self) -> f64 { | ||
| self.0 | ||
| } | ||
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| #[inline] | ||
| pub fn is_zero(&self) -> bool { | ||
| self.0 == 0.0 | ||
| } | ||
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| #[inline] | ||
| pub fn negate(&self) -> Self { | ||
| if !self.is_zero() { | ||
| Self(self.0 * -1.0) | ||
| } else { | ||
| *self | ||
| } | ||
| } | ||
|
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| #[inline] | ||
| pub fn abs(&self) -> Self { | ||
| Self(self.0.abs()) | ||
| } | ||
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| #[inline] | ||
| pub fn checked_add(&self, other: &Self) -> TemporalResult<Self> { | ||
| let result = Self(self.0 + other.0); | ||
| if !result.0.is_finite() { | ||
| return Err(TemporalError::range().with_message("number value is not a finite value.")); | ||
| } | ||
| Ok(result) | ||
| } | ||
|
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| #[inline] | ||
| pub fn checked_mul_add(&self, a: FiniteF64, b: FiniteF64) -> TemporalResult<Self> { | ||
| let result = Self(self.0.mul_add(a.0, b.0)); | ||
| if !result.0.is_finite() { | ||
| return Err(TemporalError::range().with_message("number value is not a finite value.")); | ||
| } | ||
| Ok(result) | ||
| } | ||
|
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| pub fn copysign(&self, other: f64) -> Self { | ||
| Self(self.0.copysign(other)) | ||
| } | ||
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| pub(crate) fn as_date_value(&self) -> TemporalResult<i32> { | ||
| if !(f64::from(i32::MIN)..=f64::from(i32::MAX)).contains(&self.0) { | ||
| return Err(TemporalError::range().with_message("number exceeds a valid date value.")); | ||
| } | ||
| Ok(self.0 as i32) | ||
| } | ||
| } | ||
|
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| impl AsPrimitive<i64> for FiniteF64 { | ||
| fn as_(self) -> i64 { | ||
| self.0 as i64 | ||
| } | ||
| } | ||
|
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| impl AsPrimitive<i128> for FiniteF64 { | ||
| fn as_(self) -> i128 { | ||
| self.0 as i128 | ||
| } | ||
| } | ||
|
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| impl TryFrom<f64> for FiniteF64 { | ||
| type Error = TemporalError; | ||
| fn try_from(value: f64) -> Result<Self, Self::Error> { | ||
| if !value.is_finite() { | ||
| return Err(TemporalError::range().with_message("number value is not a finite value.")); | ||
| } | ||
| Ok(Self(value)) | ||
| } | ||
| } | ||
|
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| impl TryFrom<i128> for FiniteF64 { | ||
| type Error = TemporalError; | ||
| fn try_from(value: i128) -> Result<Self, Self::Error> { | ||
| let result = f64::from_i128(value) | ||
| .ok_or(TemporalError::range().with_message("days exceeded a valid range."))?; | ||
| if !result.is_finite() { | ||
| return Err(TemporalError::range().with_message("number value is not a finite value.")); | ||
| } | ||
| Ok(Self(result)) | ||
| } | ||
| } | ||
|
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| impl From<i8> for FiniteF64 { | ||
| fn from(value: i8) -> Self { | ||
| Self(f64::from(value)) | ||
| } | ||
| } | ||
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| impl From<i32> for FiniteF64 { | ||
| fn from(value: i32) -> Self { | ||
| Self(f64::from(value)) | ||
| } | ||
| } | ||
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| impl From<u8> for FiniteF64 { | ||
| fn from(value: u8) -> Self { | ||
| Self(f64::from(value)) | ||
| } | ||
| } | ||
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| impl From<u16> for FiniteF64 { | ||
| fn from(value: u16) -> Self { | ||
| Self(f64::from(value)) | ||
| } | ||
| } | ||
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| impl From<u32> for FiniteF64 { | ||
| fn from(value: u32) -> Self { | ||
| Self(f64::from(value)) | ||
| } | ||
| } | ||
|
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| impl PartialEq<f64> for FiniteF64 { | ||
| fn eq(&self, other: &f64) -> bool { | ||
| self.0 == *other | ||
| } | ||
| } | ||
|
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| impl PartialOrd<f64> for FiniteF64 { | ||
| fn partial_cmp(&self, other: &f64) -> Option<std::cmp::Ordering> { | ||
| self.0.partial_cmp(other) | ||
| } | ||
| } |
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