homebrew-core/Formula/petsc.rb
2018-08-19 11:35:47 +02:00

48 lines
1.8 KiB
Ruby

class Petsc < Formula
desc "Portable, Extensible Toolkit for Scientific Computation (real)"
homepage "https://www.mcs.anl.gov/petsc/"
url "http://ftp.mcs.anl.gov/pub/petsc/release-snapshots/petsc-lite-3.9.3.tar.gz"
sha256 "8828fe1221f038d78a8eee3325cdb22ad1055a2f0671871815ee9f47365f93bb"
bottle do
rebuild 1
sha256 "a8f87b8dfda728cb297bb27b18d2238d50f6774086e9170698913597abfe80d7" => :high_sierra
sha256 "6366422eb66c5b6d100fbfcb69e657f5f3b74807345c052e0a4a5d601ef27f60" => :sierra
sha256 "d1e6494ab696ef49852a59e1e8e4e81a90f06da95ba8dfbf05662372580e7c53" => :el_capitan
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-complex", :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=real",
"--with-x=0"
system "make", "all"
system "make", "install"
end
test do
test_case = "#{pkgshare}/examples/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