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https://github.com/gha3mi/forlapack

ForLAPACK compiles the latest LAPACK using the Fortran Package Manager (fpm).
https://github.com/gha3mi/forlapack

fortran fortran-package-manager lapack

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ForLAPACK compiles the latest LAPACK using the Fortran Package Manager (fpm).

Host: GitHub
URL: https://github.com/gha3mi/forlapack
Owner: gha3mi
License: bsd-3-clause
Created: 2023-07-23T18:42:53.000Z (over 1 year ago)
Default Branch: main
Last Pushed: 2024-02-09T08:54:48.000Z (12 months ago)
Last Synced: 2024-02-09T22:43:41.469Z (12 months ago)
Topics: fortran, fortran-package-manager, lapack
Homepage:
Size: 35.2 KB
Stars: 3
Watchers: 1
Forks: 0
Open Issues: 0
Metadata Files:
- Readme: README.md
- License: LICENSE

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README

# ForLAPACK

[![GitHub](https://img.shields.io/badge/GitHub-forlapack-blue.svg?style=social&logo=github)](https://github.com/gha3mi/forlapack)
[![License](https://img.shields.io/github/license/gha3mi/forlapack?color=green)](https://github.com/gha3mi/forlapack/blob/main/LICENSE)

**ForLAPACK** simplifies the compilation of the latest [LAPACK](https://github.com/Reference-LAPACK/lapack) library using the Fortran Package Manager (fpm).

## Install Instructions

### 1. Prerequisites:

Ensure you have a Fortran compiler installed on your system.

### 2. Clone the Repository:

Clone the ForLAPACK repository from GitHub, including submodules:

```shell
git clone --recurse-submodules https://github.com/gha3mi/forlapack.git
cd forlapack
git submodule update --init --recursive
```

### 3. Preparation:

Remove the `DEPRECATED` directory from LAPACK source code:

```shell
rm -r src/SRC/DEPRECATED
```

Copy the `src/INSTALL` directory to `src/SRC`:

```shell
cp -r src/INSTALL src/SRC
```

### 4. Install LAPACK Using fpm:

Install ForLAPACK using [fpm](https://github.com/fortran-lang/fpm):

```shell
fpm install --profile release --prefix .
```

The compiled library will be located in the `lib` directory.

Adjust installation directory, compiler, and flags as needed:

- Use `--prefix ` to set the installation directory.
- Use `--compiler ` to specify your Fortran compiler.
- Use `--flag ''` to customize compiler flags.

## Integrating LAPACK and BLAS in Your fpm Package

- Install [ForBLAS](https://github.com/gha3mi/forblas) and ForLAPACK.
- Copy `libforblas.a` and `libforlapack.a` from the `lib` directory of ForBLAS and ForLAPACK to your fpm package's `lib` directory.
- Add `link = ["forlapack", "forblas"]` to your `fpm.toml` file.
- When using fpm, include `--flag '-Llib'` to specify the library directory.

## Contributing

Contributions to `ForLAPACK` are welcome! If you find any issues or would like to suggest improvements, please open an issue or submit a pull request.