put mixed precision under regression

Author: pcarruscag

.github/workflows/regression.yml

@@ -31,7 +31,7 @@ jobs:
           - config_set: ForwardNoMPI
             flags: '-Denable-directdiff=true -Denable-normal=false -Dwith-mpi=disabled  -Denable-tests=true --werror'
           - config_set: BaseOMP
-            flags: '-Dwith-omp=true -Denable-tecio=false --werror'
+            flags: '-Dwith-omp=true -Denable-mixedprec=true -Denable-tecio=false --werror'
     runs-on: ubuntu-latest
     steps:
       - name: Cache Object Files

.travis.yml

@@ -38,7 +38,7 @@ env:
           TEST_SCRIPT=parallel_regression.py
 
         # Hybrid-parallel build and test
-        - CONFIGURE_COMMAND="./meson.py build --prefix=$TRAVIS_BUILD_DIR -Dwith-omp=true -Denable-openblas=true -Denable-tecio=false"
+        - CONFIGURE_COMMAND="./meson.py build --prefix=$TRAVIS_BUILD_DIR -Dwith-omp=true -Denable-mixedprec=true -Denable-tecio=false"
           TEST_SCRIPT=hybrid_regression.py
 
         # Serial build and test for AD
@@ -55,7 +55,7 @@ before_install:
     - sudo update-alternatives --install /usr/bin/python python /usr/bin/python3 10
     # Install the necessary packages using apt-get with sudo
     - sudo apt-get update -qq
-    - sudo apt-get install -qq build-essential python3-numpy python3-scipy libopenmpi-dev openmpi-bin swig python3-mpi4py libopenblas-dev
+    - sudo apt-get install -qq build-essential python3-numpy python3-scipy libopenmpi-dev openmpi-bin swig python3-mpi4py
     # to avoid interference with MPI
     - test -n $CC  && unset CC
     - test -n $CXX && unset CXX