class PetscComplex < Formula desc "Portable, Extensible Toolkit for Scientific Computation (complex)" homepage "https://www.mcs.anl.gov/petsc/" url "http://ftp.mcs.anl.gov/pub/petsc/release-snapshots/petsc-lite-3.12.1.tar.gz" sha256 "28c25cde288f689605f2160613feef45863c9ef3ceb2d1a44c2226b779938781" bottle do sha256 "ec6ef2b42eefacfef36a53c0e40590d644890b6b5de15145b56f37b5c6573864" => :catalina sha256 "da90a6d1dbf5cec57daf072e2af832b928fa156f4a1149828218367e641b8545" => :mojave sha256 "30b1b5de888adf8aaa48f41e0187238f37fc3fe89d0d19043ff2216fd1ed45a5" => :high_sierra end depends_on "hdf5" depends_on "hwloc" depends_on "metis" depends_on "netcdf" depends_on "open-mpi" depends_on "scalapack" depends_on "suite-sparse" conflicts_with "petsc", :because => "petsc must be installed with either real or complex support, not both" def install ENV["CC"] = "mpicc" ENV["CXX"] = "mpicxx" ENV["F77"] = "mpif77" ENV["FC"] = "mpif90" system "./configure", "--prefix=#{prefix}", "--with-debugging=0", "--with-scalar-type=complex", "--with-x=0" system "make", "all" system "make", "install" end test do test_case = "#{share}/petsc/examples/src/ksp/ksp/examples/tutorials/ex1.c" system "mpicc", test_case, "-I#{include}", "-L#{lib}", "-lpetsc", "-o", "test" output = shell_output("./test") # This PETSc example prints several lines of output. The last line contains # an error norm, expected to be small. line = output.lines.last assert_match /^Norm of error .+, Iterations/, line, "Unexpected output format" error = line.split[3].to_f assert (error >= 0.0 && error < 1.0e-13), "Error norm too large" end end