arrayfire 3.8.0

ArrayFire is a high performance software library for parallel computing with an easy-to-use API. Its array based function set makes parallel programming simple. ArrayFire's multiple backends (CUDA, OpenCL and native CPU) make it platform independent and highly portable. A few lines of code in ArrayFire can replace dozens of lines of parallel computing code, saving you valuable time and lowering development costs. This crate provides Rust bindings for ArrayFire library.
Documentation 
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---
name: A generic bug Report
about: Create a bug report to help us improve ArrayFire
title: "[BUG]"
labels: 'Bug'
assignees: ''
---


Description
===========
<!--
* Details regarding the bug
* Did you build ArrayFire yourself or did you use the official installers
* Which backend is experiencing this issue? (CPU, CUDA, OpenCL)
* Do you have a workaround?
* Can the bug be reproduced reliably on your system?
* A clear and concise description of what you expected to happen.
* Run your executable with AF_TRACE=all and AF_PRINT_ERRORS=1 environment
  variables set.
* Screenshot or terminal output of the results from above run
-->

Reproducible Code and/or Steps
------------------------------
<!--
* Steps or code snippet that can reproduce the bug
* A full example will allow us to debug and fix the bug faster
-->

System Information
------------------
<!--
Please provide the following information:
1. ArrayFire version
2. Devices installed on the system
3. (optional) Output from the af::info() function if applicable.
4. Output from the following scripts:

Run one of the following commands based on your OS

Linux:
```sh
lsb_release -a
if command -v nvidia-smi >/dev/null; then
  nvidia-smi --query-gpu="name,memory.total,driver_version" --format=csv -i 0
else
  echo "nvidia-smi not found"
fi
if command -v /opt/rocm/bin/rocm-smi >/dev/null; then
  /opt/rocm/bin/rocm-smi --showproductname
else
  echo "rocm-smi not found."
fi
if command -v clinfo > /dev/null; then
  clinfo
else
  echo "clinfo not found."
fi
```

Windows:
Download clinfo from https://github.com/Oblomov/clinfo

If you have NVIDIA GPUs. Run nvidia-smi usually located in
C:\Program Files\NVIDIA Corporation\NVSMI

Provide driver version for your GPU. (This is vendor specific)
-->

Checklist
---------

- [ ] Using the latest available ArrayFire release
- [ ] GPU drivers are up to date