Add SLATEC

SLATEC/CMakeLists.txt

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+cmake_minimum_required(VERSION 3.16)
+project(slatec Fortran)
+
+file(GLOB LIBRARY_SOURCES "${PROJECT_SOURCE_DIR}/src/*.f")
+
+add_library(slatec SHARED ${LIBRARY_SOURCES})
+
+include(GNUInstallDirs)
+install(
+    TARGETS ${PROJECT_NAME}
+    EXPORT ${PROJECT_NAME}Targets
+    LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
+    ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
+    RUNTIME DESTINATION ${BINDIR}
+)

SLATEC/README.md

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+# SLATEC
+
+These files are from the SLATEC Common Mathematical Library, Version 4.1, July 1993.
+
+### Installation using Conda
+
+The most direct way to install the code is through the conda package manager.
+If you have conda installed,  
+(1) activate an environment in you wish to use to install SLATEC, and  
+(2) run the install command:
+```
+conda install -c auto-mech slatec
+```
+
+If you do not have a preferred Conda environment set up, an empty environment with no packages can be created and activated with the following commands
+```
+conda create --name myenv
+conda activate myenv
+```
+where `myenv` should be replaced with your preferred name for the environment.
+
+Alternatively, we also recommend building our own pre-set Auto-Mech environment, which includes SLATEC and the codes which use it. This environment can be created and activated with the commands:
+```
+conda env create auto-mech/amech-env
+conda activate amech-env
+```
+
+If your Conda commands are not functioning, you may need to iniliatize Conda via the command
+```
+. /path/to/conda.sh
+```
+which places Conda executables in your PATH. The specific location of conda.sh depends on the Conda install.
+
+
+If you do not have conda, it can be installed using the shell script
+`debug/install-conda.sh`.
+
+### Building from source without Conda
+
+Run build.sh, which uses cmake to compile SLATEC:
+```
+bash build.sh
+```
+
+Note that the results of the `make install` in build.sh will depend on your system setup.
+
+
+## Notice 
+
+Author:  
+Giuseppe Borzi'  
+e-mail: etana@tiscalinet.it  
+http://web.tiscalinet.it/gborzi  
+fax: +39 1782235968  
+Assistant Professor at the Univ. of Messina - Italia
+
+License:  
+General Public License. Slatec is 'Freely distributable' as they say.
+
+For further details, see <http://www.netlib.org/slatec/>.

SLATEC/pixi.toml

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+[workspace]
+channels = ["https://prefix.dev/conda-forge"]
+platforms = ["osx-arm64", "osx-64", "linux-64", "win-64"]
+preview = ["pixi-build"]
+
+[dependencies]
+slatec = { path = "." }
+
+[package]
+name = "slatec"
+
+[package.build]
+backend = { name = "pixi-build-rattler-build", version = "0.3.*" }

SLATEC/recipe.yaml

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+package:
+  name: slatec
+  version: 4.3.0
+
+source:
+  path: .
+  use_gitignore: true 
+
+build:
+  number: 0
+  script: | 
+    cmake $CMAKE_ARGS \
+      -GNinja \
+      -DCMAKE_BUILD_TYPE=Release \
+      -DCMAKE_INSTALL_PREFIX=$PREFIX \
+      -DCMAKE_EXPORT_COMPILE_COMMANDS=ON \
+      -B $SRC_DIR/../build \
+      -S .
+
+    cmake --build $SRC_DIR/../build --target install
+
+requirements:
+  build: 
+    - ${{ compiler('fortran') }}
+    - cmake
+    - ninja