homebrew-core/Formula/petsc.rb
2019-11-09 11:52:46 -05:00

47 lines
1.7 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-3.12.1.tar.gz"
sha256 "28c25cde288f689605f2160613feef45863c9ef3ceb2d1a44c2226b779938781"
bottle do
sha256 "17fcb8ebb261cfdeafe67d969fbea00b1b4f88ee25e8bb37e917d7a883760a4b" => :catalina
sha256 "2805f002f154fc9e2bb756b474c685d826b86b3ae6fba4a367f7962e2c329cb4" => :mojave
sha256 "dc247eed659aa0954082096c81bc575d038b98c627be5f3a13bdf5be46032bc6" => :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-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/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