796 lines
19 KiB
Rust
796 lines
19 KiB
Rust
#![allow(dead_code)]
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#[cfg(feature = "simd_perf")]
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extern crate simd;
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use std::cmp::PartialEq;
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use std::ops::{Add, AddAssign, Sub, SubAssign, Mul, MulAssign, Div, DivAssign, BitAnd};
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#[cfg(feature = "simd_perf")]
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use simd::{f32x4, bool32fx4};
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/// Essentially a tuple of four floats, which will use SIMD operations
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/// where possible on a platform.
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#[cfg(feature = "simd_perf")]
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#[derive(Debug, Copy, Clone)]
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pub struct Float4 {
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data: f32x4,
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}
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#[cfg(not(feature = "simd_perf"))]
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#[derive(Debug, Copy, Clone)]
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pub struct Float4 {
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data: [f32; 4],
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}
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impl Float4 {
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#[cfg(feature = "simd_perf")]
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#[inline(always)]
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pub fn new(a: f32, b: f32, c: f32, d: f32) -> Float4 {
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Float4 { data: f32x4::new(a, b, c, d) }
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}
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#[cfg(not(feature = "simd_perf"))]
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#[inline(always)]
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pub fn new(a: f32, b: f32, c: f32, d: f32) -> Float4 {
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Float4 { data: [a, b, c, d] }
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}
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#[cfg(feature = "simd_perf")]
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#[inline(always)]
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pub fn splat(n: f32) -> Float4 {
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Float4 { data: f32x4::splat(n) }
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}
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#[cfg(not(feature = "simd_perf"))]
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#[inline(always)]
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pub fn splat(n: f32) -> Float4 {
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Float4 { data: [n, n, n, n] }
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}
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#[inline]
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pub fn h_sum(&self) -> f32 {
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(self.get_0() + self.get_1()) + (self.get_2() + self.get_3())
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}
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#[inline]
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pub fn h_product(&self) -> f32 {
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(self.get_0() * self.get_1()) * (self.get_2() * self.get_3())
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}
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#[inline]
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pub fn h_min(&self) -> f32 {
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let n1 = if self.get_0() < self.get_1() {
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self.get_0()
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} else {
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self.get_1()
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};
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let n2 = if self.get_2() < self.get_3() {
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self.get_2()
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} else {
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self.get_3()
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};
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if n1 < n2 { n1 } else { n2 }
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}
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#[inline]
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pub fn h_max(&self) -> f32 {
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let n1 = if self.get_0() > self.get_1() {
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self.get_0()
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} else {
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self.get_1()
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};
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let n2 = if self.get_2() > self.get_3() {
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self.get_2()
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} else {
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self.get_3()
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};
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if n1 > n2 { n1 } else { n2 }
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}
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#[cfg(feature = "simd_perf")]
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#[inline(always)]
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pub fn v_min(&self, other: Float4) -> Float4 {
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Float4 { data: self.data.min(other.data) }
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}
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#[cfg(not(feature = "simd_perf"))]
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#[inline]
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pub fn v_min(&self, other: Float4) -> Float4 {
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Float4::new(
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if self.get_0() < other.get_0() {
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self.get_0()
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} else {
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other.get_0()
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},
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if self.get_1() < other.get_1() {
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self.get_1()
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} else {
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other.get_1()
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},
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if self.get_2() < other.get_2() {
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self.get_2()
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} else {
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other.get_2()
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},
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if self.get_3() < other.get_3() {
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self.get_3()
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} else {
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other.get_3()
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},
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)
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}
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#[cfg(feature = "simd_perf")]
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#[inline(always)]
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pub fn v_max(&self, other: Float4) -> Float4 {
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Float4 { data: self.data.max(other.data) }
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}
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#[cfg(not(feature = "simd_perf"))]
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#[inline]
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pub fn v_max(&self, other: Float4) -> Float4 {
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Float4::new(
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if self.get_0() > other.get_0() {
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self.get_0()
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} else {
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other.get_0()
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},
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if self.get_1() > other.get_1() {
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self.get_1()
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} else {
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other.get_1()
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},
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if self.get_2() > other.get_2() {
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self.get_2()
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} else {
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other.get_2()
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},
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if self.get_3() > other.get_3() {
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self.get_3()
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} else {
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other.get_3()
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},
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)
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}
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#[cfg(feature = "simd_perf")]
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#[inline(always)]
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pub fn lt(&self, other: Float4) -> Bool4 {
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Bool4 { data: self.data.lt(other.data) }
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}
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#[cfg(not(feature = "simd_perf"))]
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#[inline]
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pub fn lt(&self, other: Float4) -> Bool4 {
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Bool4 {
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data: [
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self.data[0] < other.data[0],
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self.data[1] < other.data[1],
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self.data[2] < other.data[2],
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self.data[3] < other.data[3],
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],
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}
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}
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#[cfg(feature = "simd_perf")]
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#[inline(always)]
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pub fn lte(&self, other: Float4) -> Bool4 {
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Bool4 { data: self.data.le(other.data) }
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}
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#[cfg(not(feature = "simd_perf"))]
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#[inline]
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pub fn lte(&self, other: Float4) -> Bool4 {
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Bool4 {
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data: [
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self.data[0] <= other.data[0],
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self.data[1] <= other.data[1],
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self.data[2] <= other.data[2],
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self.data[3] <= other.data[3],
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],
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}
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}
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#[cfg(feature = "simd_perf")]
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#[inline(always)]
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pub fn gt(&self, other: Float4) -> Bool4 {
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Bool4 { data: self.data.gt(other.data) }
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}
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#[cfg(not(feature = "simd_perf"))]
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#[inline]
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pub fn gt(&self, other: Float4) -> Bool4 {
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Bool4 {
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data: [
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self.data[0] > other.data[0],
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self.data[1] > other.data[1],
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self.data[2] > other.data[2],
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self.data[3] > other.data[3],
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],
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}
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}
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#[cfg(feature = "simd_perf")]
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#[inline(always)]
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pub fn gte(&self, other: Float4) -> Bool4 {
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Bool4 { data: self.data.ge(other.data) }
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}
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#[cfg(not(feature = "simd_perf"))]
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#[inline]
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pub fn gte(&self, other: Float4) -> Bool4 {
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Bool4 {
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data: [
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self.data[0] >= other.data[0],
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self.data[1] >= other.data[1],
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self.data[2] >= other.data[2],
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self.data[3] >= other.data[3],
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],
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}
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}
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/// Set the nth element to the given value.
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#[inline]
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pub fn set_n(&mut self, n: usize, v: f32) {
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match n {
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0 => self.set_0(v),
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1 => self.set_1(v),
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2 => self.set_2(v),
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3 => self.set_3(v),
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_ => panic!("Attempted to set element of Float4 outside of bounds."),
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}
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}
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/// Set the 0th element to the given value.
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#[cfg(feature = "simd_perf")]
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#[inline(always)]
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pub fn set_0(&mut self, n: f32) {
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self.data = self.data.replace(0, n);
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}
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#[cfg(not(feature = "simd_perf"))]
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#[inline(always)]
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pub fn set_0(&mut self, n: f32) {
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unsafe {
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*self.data.get_unchecked_mut(0) = n;
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}
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}
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/// Set the 1th element to the given value.
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#[cfg(feature = "simd_perf")]
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#[inline(always)]
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pub fn set_1(&mut self, n: f32) {
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self.data = self.data.replace(1, n);
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}
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#[cfg(not(feature = "simd_perf"))]
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#[inline(always)]
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pub fn set_1(&mut self, n: f32) {
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unsafe {
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*self.data.get_unchecked_mut(1) = n;
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}
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}
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/// Set the 2th element to the given value.
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#[cfg(feature = "simd_perf")]
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#[inline(always)]
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pub fn set_2(&mut self, n: f32) {
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self.data = self.data.replace(2, n);
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}
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#[cfg(not(feature = "simd_perf"))]
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#[inline(always)]
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pub fn set_2(&mut self, n: f32) {
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unsafe {
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*self.data.get_unchecked_mut(2) = n;
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}
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}
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/// Set the 3th element to the given value.
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#[cfg(feature = "simd_perf")]
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#[inline(always)]
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pub fn set_3(&mut self, n: f32) {
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self.data = self.data.replace(3, n);
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}
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#[cfg(not(feature = "simd_perf"))]
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#[inline(always)]
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pub fn set_3(&mut self, n: f32) {
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unsafe {
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*self.data.get_unchecked_mut(3) = n;
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}
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}
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/// Returns the value of the nth element.
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#[inline]
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pub fn get_n(&self, n: usize) -> f32 {
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match n {
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0 => self.get_0(),
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1 => self.get_1(),
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2 => self.get_2(),
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3 => self.get_3(),
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_ => panic!("Attempted to access element of Float4 outside of bounds."),
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}
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}
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/// Returns the value of the 0th element.
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#[cfg(feature = "simd_perf")]
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#[inline(always)]
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pub fn get_0(&self) -> f32 {
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self.data.extract(0)
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}
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#[cfg(not(feature = "simd_perf"))]
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#[inline(always)]
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pub fn get_0(&self) -> f32 {
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unsafe { *self.data.get_unchecked(0) }
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}
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/// Returns the value of the 1th element.
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#[cfg(feature = "simd_perf")]
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#[inline(always)]
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pub fn get_1(&self) -> f32 {
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self.data.extract(1)
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}
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#[cfg(not(feature = "simd_perf"))]
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#[inline(always)]
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pub fn get_1(&self) -> f32 {
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unsafe { *self.data.get_unchecked(1) }
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}
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/// Returns the value of the 2th element.
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#[cfg(feature = "simd_perf")]
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#[inline(always)]
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pub fn get_2(&self) -> f32 {
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self.data.extract(2)
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}
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#[cfg(not(feature = "simd_perf"))]
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#[inline(always)]
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pub fn get_2(&self) -> f32 {
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unsafe { *self.data.get_unchecked(2) }
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}
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/// Returns the value of the 3th element.
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#[cfg(feature = "simd_perf")]
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#[inline(always)]
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pub fn get_3(&self) -> f32 {
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self.data.extract(3)
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}
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#[cfg(not(feature = "simd_perf"))]
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#[inline(always)]
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pub fn get_3(&self) -> f32 {
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unsafe { *self.data.get_unchecked(3) }
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}
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}
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impl PartialEq for Float4 {
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#[inline]
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fn eq(&self, other: &Float4) -> bool {
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self.get_0() == other.get_0() && self.get_1() == other.get_1() &&
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self.get_2() == other.get_2() && self.get_3() == other.get_3()
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}
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}
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impl Add for Float4 {
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type Output = Float4;
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#[cfg(feature = "simd_perf")]
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#[inline(always)]
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fn add(self, other: Float4) -> Float4 {
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Float4 { data: self.data + other.data }
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}
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#[cfg(not(feature = "simd_perf"))]
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#[inline(always)]
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fn add(self, other: Float4) -> Float4 {
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Float4 {
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data: [
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self.get_0() + other.get_0(),
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self.get_1() + other.get_1(),
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self.get_2() + other.get_2(),
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self.get_3() + other.get_3(),
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],
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}
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}
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}
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impl AddAssign for Float4 {
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#[inline(always)]
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fn add_assign(&mut self, rhs: Float4) {
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*self = *self + rhs;
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}
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}
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impl Sub for Float4 {
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type Output = Float4;
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#[cfg(feature = "simd_perf")]
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#[inline(always)]
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fn sub(self, other: Float4) -> Float4 {
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Float4 { data: self.data - other.data }
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}
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#[cfg(not(feature = "simd_perf"))]
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#[inline(always)]
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fn sub(self, other: Float4) -> Float4 {
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Float4 {
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data: [
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self.get_0() - other.get_0(),
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self.get_1() - other.get_1(),
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self.get_2() - other.get_2(),
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self.get_3() - other.get_3(),
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],
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}
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}
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}
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impl SubAssign for Float4 {
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#[inline(always)]
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fn sub_assign(&mut self, rhs: Float4) {
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*self = *self - rhs;
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}
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}
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impl Mul for Float4 {
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type Output = Float4;
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#[cfg(feature = "simd_perf")]
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#[inline(always)]
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fn mul(self, other: Float4) -> Float4 {
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Float4 { data: self.data * other.data }
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}
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#[cfg(not(feature = "simd_perf"))]
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#[inline(always)]
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fn mul(self, other: Float4) -> Float4 {
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Float4 {
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data: [
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self.get_0() * other.get_0(),
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self.get_1() * other.get_1(),
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self.get_2() * other.get_2(),
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self.get_3() * other.get_3(),
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],
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}
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}
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}
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impl Mul<f32> for Float4 {
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type Output = Float4;
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#[cfg(feature = "simd_perf")]
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#[inline(always)]
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fn mul(self, other: f32) -> Float4 {
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Float4 { data: self.data * f32x4::splat(other) }
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}
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#[cfg(not(feature = "simd_perf"))]
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#[inline(always)]
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fn mul(self, other: f32) -> Float4 {
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Float4 {
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data: [
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self.get_0() * other,
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self.get_1() * other,
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self.get_2() * other,
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self.get_3() * other,
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],
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}
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}
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}
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impl MulAssign for Float4 {
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#[inline(always)]
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fn mul_assign(&mut self, rhs: Float4) {
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*self = *self * rhs;
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}
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}
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impl MulAssign<f32> for Float4 {
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#[inline(always)]
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fn mul_assign(&mut self, rhs: f32) {
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*self = *self * rhs;
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}
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}
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impl Div for Float4 {
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type Output = Float4;
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#[cfg(feature = "simd_perf")]
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#[inline(always)]
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fn div(self, other: Float4) -> Float4 {
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Float4 { data: self.data / other.data }
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}
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#[cfg(not(feature = "simd_perf"))]
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#[inline(always)]
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fn div(self, other: Float4) -> Float4 {
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Float4 {
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data: [
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self.get_0() / other.get_0(),
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self.get_1() / other.get_1(),
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self.get_2() / other.get_2(),
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self.get_3() / other.get_3(),
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],
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}
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}
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}
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impl Div<f32> for Float4 {
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type Output = Float4;
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#[cfg(feature = "simd_perf")]
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#[inline(always)]
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fn div(self, other: f32) -> Float4 {
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Float4 { data: self.data / f32x4::splat(other) }
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}
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#[cfg(not(feature = "simd_perf"))]
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#[inline(always)]
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fn div(self, other: f32) -> Float4 {
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Float4 {
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data: [
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self.get_0() / other,
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self.get_1() / other,
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self.get_2() / other,
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self.get_3() / other,
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],
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}
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}
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}
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impl DivAssign for Float4 {
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#[inline(always)]
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fn div_assign(&mut self, rhs: Float4) {
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*self = *self / rhs;
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}
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}
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|
|
impl DivAssign<f32> for Float4 {
|
|
#[inline(always)]
|
|
fn div_assign(&mut self, rhs: f32) {
|
|
*self = *self / rhs;
|
|
}
|
|
}
|
|
|
|
#[inline(always)]
|
|
pub fn v_min(a: Float4, b: Float4) -> Float4 {
|
|
a.v_min(b)
|
|
}
|
|
|
|
#[inline(always)]
|
|
pub fn v_max(a: Float4, b: Float4) -> Float4 {
|
|
a.v_max(b)
|
|
}
|
|
|
|
|
|
/// Essentially a tuple of four bools, which will use SIMD operations
|
|
/// where possible on a platform.
|
|
#[cfg(feature = "simd_perf")]
|
|
#[derive(Debug, Copy, Clone)]
|
|
pub struct Bool4 {
|
|
data: bool32fx4,
|
|
}
|
|
|
|
#[cfg(not(feature = "simd_perf"))]
|
|
#[derive(Debug, Copy, Clone)]
|
|
pub struct Bool4 {
|
|
data: [bool; 4],
|
|
}
|
|
|
|
impl Bool4 {
|
|
/// Returns the value of the 0th element.
|
|
#[cfg(feature = "simd_perf")]
|
|
#[inline(always)]
|
|
pub fn get_0(&self) -> bool {
|
|
self.data.extract(0)
|
|
}
|
|
#[cfg(not(feature = "simd_perf"))]
|
|
#[inline(always)]
|
|
pub fn get_0(&self) -> bool {
|
|
unsafe { *self.data.get_unchecked(0) }
|
|
}
|
|
|
|
/// Returns the value of the 1th element.
|
|
#[cfg(feature = "simd_perf")]
|
|
#[inline(always)]
|
|
pub fn get_1(&self) -> bool {
|
|
self.data.extract(1)
|
|
}
|
|
#[cfg(not(feature = "simd_perf"))]
|
|
#[inline(always)]
|
|
pub fn get_1(&self) -> bool {
|
|
unsafe { *self.data.get_unchecked(1) }
|
|
}
|
|
|
|
/// Returns the value of the 2th element.
|
|
#[cfg(feature = "simd_perf")]
|
|
#[inline(always)]
|
|
pub fn get_2(&self) -> bool {
|
|
self.data.extract(2)
|
|
}
|
|
#[cfg(not(feature = "simd_perf"))]
|
|
#[inline(always)]
|
|
pub fn get_2(&self) -> bool {
|
|
unsafe { *self.data.get_unchecked(2) }
|
|
}
|
|
|
|
/// Returns the value of the 3th element.
|
|
#[cfg(feature = "simd_perf")]
|
|
#[inline(always)]
|
|
pub fn get_3(&self) -> bool {
|
|
self.data.extract(3)
|
|
}
|
|
#[cfg(not(feature = "simd_perf"))]
|
|
#[inline(always)]
|
|
pub fn get_3(&self) -> bool {
|
|
unsafe { *self.data.get_unchecked(3) }
|
|
}
|
|
|
|
#[inline]
|
|
pub fn to_bitmask(&self) -> u8 {
|
|
(self.get_0() as u8) | ((self.get_1() as u8) << 1) | ((self.get_2() as u8) << 2) |
|
|
((self.get_3() as u8) << 3)
|
|
}
|
|
}
|
|
|
|
impl BitAnd for Bool4 {
|
|
type Output = Bool4;
|
|
|
|
#[cfg(feature = "simd_perf")]
|
|
#[inline(always)]
|
|
fn bitand(self, rhs: Bool4) -> Bool4 {
|
|
Bool4 { data: self.data & rhs.data }
|
|
}
|
|
#[cfg(not(feature = "simd_perf"))]
|
|
#[inline]
|
|
fn bitand(self, rhs: Bool4) -> Bool4 {
|
|
Bool4 {
|
|
data: [
|
|
self.data[0] && rhs.data[0],
|
|
self.data[1] && rhs.data[1],
|
|
self.data[2] && rhs.data[2],
|
|
self.data[3] && rhs.data[3],
|
|
],
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
#[cfg(test)]
|
|
mod tests {
|
|
use super::*;
|
|
|
|
#[test]
|
|
fn get() {
|
|
let f = Float4::new(1.0, 2.0, 3.0, 4.0);
|
|
|
|
assert_eq!(f.get_0(), 1.0);
|
|
assert_eq!(f.get_1(), 2.0);
|
|
assert_eq!(f.get_2(), 3.0);
|
|
assert_eq!(f.get_3(), 4.0);
|
|
}
|
|
|
|
#[test]
|
|
fn get_n() {
|
|
let f = Float4::new(1.0, 2.0, 3.0, 4.0);
|
|
|
|
assert_eq!(f.get_n(0), 1.0);
|
|
assert_eq!(f.get_n(1), 2.0);
|
|
assert_eq!(f.get_n(2), 3.0);
|
|
assert_eq!(f.get_n(3), 4.0);
|
|
}
|
|
|
|
#[test]
|
|
fn set() {
|
|
let mut f = Float4::new(1.0, 2.0, 3.0, 4.0);
|
|
f.set_0(5.0);
|
|
f.set_1(6.0);
|
|
f.set_2(7.0);
|
|
f.set_3(8.0);
|
|
|
|
assert_eq!(f.get_0(), 5.0);
|
|
assert_eq!(f.get_1(), 6.0);
|
|
assert_eq!(f.get_2(), 7.0);
|
|
assert_eq!(f.get_3(), 8.0);
|
|
}
|
|
|
|
#[test]
|
|
fn set_n() {
|
|
let mut f = Float4::new(1.0, 2.0, 3.0, 4.0);
|
|
f.set_n(0, 5.0);
|
|
f.set_n(1, 6.0);
|
|
f.set_n(2, 7.0);
|
|
f.set_n(3, 8.0);
|
|
|
|
assert_eq!(f.get_0(), 5.0);
|
|
assert_eq!(f.get_1(), 6.0);
|
|
assert_eq!(f.get_2(), 7.0);
|
|
assert_eq!(f.get_3(), 8.0);
|
|
}
|
|
|
|
#[test]
|
|
fn partial_eq_1() {
|
|
let f1 = Float4::new(1.0, 2.0, 3.0, 4.0);
|
|
let f2 = Float4::new(1.0, 2.0, 3.0, 4.0);
|
|
|
|
assert!(f1 == f2);
|
|
}
|
|
|
|
#[test]
|
|
fn partial_eq_2() {
|
|
let f1 = Float4::new(1.0, 2.0, 3.0, 4.0);
|
|
let f2 = Float4::new(1.0, 2.1, 3.0, 4.0);
|
|
|
|
assert!(!(f1 == f2));
|
|
}
|
|
|
|
#[test]
|
|
fn h_sum() {
|
|
let f = Float4::new(1.0, 2.0, 3.0, 4.0);
|
|
assert_eq!(f.h_sum(), 10.0);
|
|
}
|
|
|
|
#[test]
|
|
fn h_product() {
|
|
let f = Float4::new(1.0, 2.0, 3.0, 4.0);
|
|
assert_eq!(f.h_product(), 24.0);
|
|
}
|
|
|
|
#[test]
|
|
fn h_min() {
|
|
let f = Float4::new(1.0, 2.0, 3.0, 4.0);
|
|
assert_eq!(f.h_min(), 1.0);
|
|
}
|
|
|
|
#[test]
|
|
fn h_max() {
|
|
let f = Float4::new(1.0, 2.0, 3.0, 4.0);
|
|
assert_eq!(f.h_max(), 4.0);
|
|
}
|
|
|
|
#[test]
|
|
fn add() {
|
|
let f1 = Float4::new(1.0, 2.0, 3.0, 4.0);
|
|
let f2 = Float4::new(2.0, 3.0, 4.0, 5.0);
|
|
let f3 = Float4::new(3.0, 5.0, 7.0, 9.0);
|
|
|
|
assert_eq!(f1 + f2, f3);
|
|
}
|
|
|
|
#[test]
|
|
fn sub() {
|
|
let f1 = Float4::new(1.0, 2.0, 3.0, 4.0);
|
|
let f2 = Float4::new(2.0, 3.0, 4.0, 5.0);
|
|
let f3 = Float4::new(-1.0, -1.0, -1.0, -1.0);
|
|
|
|
assert_eq!(f1 - f2, f3);
|
|
}
|
|
|
|
#[test]
|
|
fn mul_component() {
|
|
let f1 = Float4::new(1.0, 2.0, 3.0, 4.0);
|
|
let f2 = Float4::new(2.0, 3.0, 4.0, 5.0);
|
|
let f3 = Float4::new(2.0, 6.0, 12.0, 20.0);
|
|
|
|
assert_eq!(f1 * f2, f3);
|
|
}
|
|
|
|
#[test]
|
|
fn mul_scalar() {
|
|
let f1 = Float4::new(1.0, 2.0, 3.0, 4.0);
|
|
let v = 3.0;
|
|
let f2 = Float4::new(3.0, 6.0, 9.0, 12.0);
|
|
|
|
assert_eq!(f1 * v, f2);
|
|
}
|
|
|
|
#[test]
|
|
fn div_component() {
|
|
let f1 = Float4::new(1.0, 3.0, 3.0, 6.0);
|
|
let f2 = Float4::new(2.0, 2.0, 4.0, 8.0);
|
|
let f3 = Float4::new(0.5, 1.5, 0.75, 0.75);
|
|
|
|
assert_eq!(f1 / f2, f3);
|
|
}
|
|
|
|
#[test]
|
|
fn div_scalar() {
|
|
let f1 = Float4::new(1.0, 2.0, 3.0, 4.0);
|
|
let v = 2.0;
|
|
let f2 = Float4::new(0.5, 1.0, 1.5, 2.0);
|
|
|
|
assert_eq!(f1 / v, f2);
|
|
}
|
|
}
|