Merge pull request #35 from yohanchatelain/master

Add bash script to build a dockerfile and replace libmath by fuzzy-libmath

docker/base/Dockerfile.ubuntu20.04-0-lapack-libmath

@@ -6,7 +6,7 @@ RUN apt-get update -qqq &&\
     make build-essential libssl-dev zlib1g-dev \
     libbz2-dev libreadline-dev libsqlite3-dev wget \
     curl llvm libncurses5-dev  libncursesw5-dev \
-    xz-utils tk-dev wget fort77 gfortran cmake lzma-dev &&\
+    xz-utils tk-dev wget fort77 gfortran cmake lzma-dev liblzma-dev &&\
     rm -rf /var/lib/apt/lists/ &&\
     mkdir -p /opt/build/
 

docker/resources/build_fuzzy_libmath_dockerfile.sh

@@ -0,0 +1,50 @@
+#!/bin/bash
+
+DOCKERFILE=Dockerfile.mcalibmath
+FUZZY_IMAGE_DEFAULT=verificarlo/fuzzy:v0.4.1-lapack
+
+generate_docker() {
+
+cat > ${DOCKERFILE} <<HERE
+# Base image
+FROM ${1}
+
+# Copy fuzzy environment from fuzzy image
+RUN mkdir -p /opt/mca-libmath
+COPY --from=${2} /opt/mca-libmath/libmath.so /opt/mca-libmath/
+COPY --from=${2} /usr/local/lib/libinterflop* /usr/local/lib/
+
+# Set environment variables
+ENV VFC_BACKENDS 'libinterflop_mca.so --precision-binary32=24 --precision-binary64=53 --mode=mca'
+ENV LD_PRELOAD '/opt/mca-libmath/libmath.so'
+HERE
+
+}
+
+build_docker() {
+    docker build -f ${DOCKERFILE} -t ${1} .
+}
+
+if [[ $# < 2 ]]
+then
+    echo "usage: ./build_fuzzy_libmath_dockerfile.sh <DOCKER_IMAGE> <TAG> [FUZZY_IMAGE]"
+    echo "          <DOCKER_IMAGE>: Name of the base docker image to build"
+    echo "          <TAG>:          Tag of the new image to build"
+    echo "          [FUZZY_IMAGE]:  Name of the fuzzy image to copy from (optional)"
+    exit 1
+elif [[ $# == 2 ]]
+then
+    BASE_IMAGE=$1
+    TAG=$2
+    FUZZY_IMAGE=$FUZZY_IMAGE_DEFAULT
+elif [[ $# == 3 ]]
+then
+    BASE_IMAGE=$1
+    TAG=$2
+    FUZZY_IMAGE=$3
+fi
+
+echo "Build fuzzy-libmath (from ${FUZZY_IMAGE}) for ${BASEIMAGE} as ${TAG}"
+generate_docker $BASEIMAGE $FUZZY_IMAGE
+build_docker $TAG
+