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/// Builds a `Vec<Simd<f64, N>>` from an array of `N` raw input pointers, reading `length` elements each.
#[macro_export]
macro_rules! create_simd_vec_from_inputs {
($input_ptr:ident, $width:expr, $length:expr) => {
{
let mut simd_vec: Vec<Simd<f64, $width>> = crate::uninit_vec!(Simd<f64, $width>, $length);
for i in 0..$length {
let mut values = [0.0; $width];
for j in 0..$width {
unsafe {
values[j] = *$input_ptr[j].add(i);
}
}
unsafe {
*simd_vec.get_unchecked_mut(i) = Simd::from_array(values);
}
}
simd_vec
}
};
}
/// Extracts raw `*const f64` pointer arrays (one per input field) from a nested `inputs` slice.
/// Returns a tuple of `[*const f64; N]` arrays.
#[macro_export]
macro_rules! extract_input_ptrs {
($inputs:expr, $width:expr, $($field_name:ident),*) => {
{
let mut _index = 0;
(
$(
{
let $field_name: [*const f64; $width] = std::array::from_fn(|j| unsafe {
$inputs.get_unchecked(j).get_unchecked(_index).as_ptr()
});
_index += 1;
$field_name
}
),*
)
}
};
}
/// Extracts raw `*mut f64` pointer arrays (one per output field) from a nested `outputs` slice.
#[macro_export]
macro_rules! extract_output_ptrs {
($outputs:expr, $width:expr, $($field_name:ident),*) => {
{
let mut _index = 0;
(
$(
{
let $field_name: [*mut f64; $width] = std::array::from_fn(|j| unsafe {
$outputs.get_unchecked_mut(j).get_unchecked_mut(_index).as_mut_ptr()
});
_index += 1;
$field_name
}
),*
)
}
};
}
/*#[macro_export]
macro_rules! extract_simd_inputs_at_index {
($index:expr, $width:expr, $($ptr_array:ident),*) => {
{
(
$(
Simd::from_array(std::array::from_fn(|j| unsafe {
*$ptr_array[j].add($index)
}))
),*
)
}
};
}*/
/// Gathers SIMD lanes from `N` input pointer arrays at per-lane indices.
#[macro_export]
macro_rules! extract_simd_inputs_at_index_array {
($indices:expr, $width:expr, $($var_name:ident @ $ptr_array:ident),*) => {
{
// Declare arrays for each named variable
$(let mut $var_name = [0.0; $width];)*
// Loop through all lanes, extracting from different input arrays at different indices
for j in 0..$width {
unsafe {
let index = $indices[j];
$($var_name[j] = *$ptr_array[j].add(index);)*
}
}
// Convert to SIMD vectors and return as tuple
($(Simd::from_array($var_name)),*)
}
};
}
/// Same as `extract_simd_inputs_at_index_array!` but returns raw `f64` arrays instead of SIMD vectors.
#[macro_export]
macro_rules! extract_array_inputs_at_index_array {
($indices:expr, $width:expr, $($var_name:ident @ $ptr_array:ident),*) => {
{
// Declare arrays for each named variable
$(let mut $var_name = [0.0; $width];)*
// Loop through all lanes, extracting from different input arrays at different indices
for j in 0..$width {
unsafe {
let index = $indices[j];
$($var_name[j] = *$ptr_array[j].add(index);)*
}
}
// Return raw arrays
($($var_name),*)
}
};
}
/// Gathers index `i` from each of `N` input pointer arrays into a SIMD vector, one per named field.
#[macro_export]
macro_rules! extract_simd_inputs_at_index {
($index:expr, $width:expr, $($var_name:ident @ $ptr_array:ident),*) => {
{
// Declare arrays for each named variable
$(let mut $var_name = [0.0; $width];)*
// Single loop through all assets, extracting from different input arrays
for j in 0..$width {
unsafe {
$($var_name[j] = *$ptr_array[j].add($index);)*
}
}
// Convert to SIMD vectors and return as tuple
($(Simd::from_array($var_name)),*)
}
};
}
/// Broadcasts a single scalar value (lane 0) at index `i` into all `N` SIMD lanes.
#[macro_export]
macro_rules! extract_simd_inputs_at_index_splat {
($index:expr, $width:expr, $($var_name:ident @ $ptr_array:ident),*) => {
{
(
$(
unsafe {
Simd::splat(*$ptr_array[0].add($index))
}
),*
)
}
};
}
/// Same as `extract_simd_inputs_at_index!` but returns raw `f64` arrays.
#[macro_export]
macro_rules! extract_array_inputs_at_index {
($index:expr, $width:expr, $($var_name:ident @ $ptr_array:ident),*) => {
{
// Declare arrays for each named variable
$(let mut $var_name = [0.0; $width];)*
// Single loop through all assets, extracting from different input arrays
for j in 0..$width {
unsafe {
$($var_name[j] = *$ptr_array[j].add($index);)*
}
}
// Return raw arrays
($($var_name),*)
}
};
}
/// Conditionally writes a SIMD value to `N` output pointer arrays at index `i` if the want flag is set.
#[macro_export]
macro_rules! store_simd_optional_outputs {
($index:expr, $width:expr, $($want_flag:expr, $ptr_array:ident => $simd_value:expr),*) => {
$(
if $want_flag {
for j in 0..$width {
unsafe {
*$ptr_array[j].add($index) = $simd_value[j];
}
}
}
)*
};
}
/// Same as `store_simd_optional_outputs!` but multiplies by a correction factor before writing.
#[macro_export]
macro_rules! store_simd_optional_outputs_corrected {
($index:expr, $width:expr, $($want_flag:expr, $ptr_array:ident => corrected($simd_value:expr, $multiplier:expr)),*) => {
$(
if $want_flag {
let values = ($simd_value * $multiplier);//.to_array();
for j in 0..$width {
unsafe {
*$ptr_array[j].add($index) = values[j];
}
}
}
)*
};
}
/// Gathers multiple values at different offsets from a single set of `N` pointer arrays.
#[macro_export]
macro_rules! extract_simd_at_indices {
($width:expr, $ptr_array:ident, $($var_name:ident @ $index:expr),*) => {
{
// Declare arrays for each named variable
$(let mut $var_name = [0.0; $width];)*
// Single loop through all assets, extracting all needed values
for j in 0..$width {
unsafe {
let ptr = $ptr_array[j];
$($var_name[j] = *ptr.add($index);)*
}
}
// Convert to SIMD vectors and return as tuple
($(Simd::from_array($var_name)),*)
}
};
}
/// Same as `extract_simd_at_indices!` but returns raw `f64` arrays.
#[macro_export]
macro_rules! extract_array_at_indices {
($width:expr, $ptr_array:ident, $($var_name:ident @ $index:expr),*) => {
{
// Declare arrays for each named variable
$(let mut $var_name = [0.0; $width];)*
// Single loop through all assets, extracting all needed values
for j in 0..$width {
unsafe {
let ptr = $ptr_array[j];
$($var_name[j] = *ptr.add($index);)*
}
}
// Return raw arrays
($($var_name),*)
}
};
}
/// Gathers values at per-lane dynamic indices from a single pointer array set.
#[macro_export]
macro_rules! extract_simd_at_indices_array {
($width:expr, $ptr_array:ident, $($var_name:ident @ $indices_simd:expr),*) => {
{
// Declare arrays for each named variable
$(let mut $var_name = [0.0; $width];)*
// Loop through each lane (asset) first for better cache locality
for j in 0..$width {
unsafe {
let ptr = $ptr_array[j];
// Extract all needed values for this lane/asset at once
$(
//let indices_array = $indices_simd.to_array();
$var_name[j] = *ptr.add($indices_simd[j]);
)*
}
}
// Convert to SIMD vectors and return as tuple
($(Simd::from_array($var_name)),*)
}
};
}
/// Writes one or more SIMD values to their respective output pointer arrays at index `i`.
#[macro_export]
macro_rules! write_simd_at_indices {
($width:expr, $index:expr, $($ptr_array:ident => $simd_value:expr),*) => {
unsafe {
$(
for j in 0..$width {
*$ptr_array[j].add($index) = $simd_value[j];
}
)*
}
};
}
/// Gathers the current value (offset 0) from each of `N` input pointer arrays into a SIMD vector.
#[macro_export]
macro_rules! extract_simd_from_ptrs {
// Usage:
// let (a, b, c, d) = crate::extract_simd_from_ptrs!(N, a_ptrs, b_ptrs, c_ptrs, d_ptrs);
($width:expr, $($var_name:ident @ $ptr_array:ident),+) => {
{
$(
let mut $var_name = [0.0; $width];
)+
for j in 0..$width {
unsafe {
$(
$var_name[j] = *$ptr_array[j];
)+
}
}
($(Simd::from_array($var_name)),+)
}
};
}