homebrew-core/Formula/petsc.rb
2018-07-03 01:03:17 -07:00

45 lines
1.6 KiB
Ruby

class Petsc < Formula
desc "Portable, Extensible Toolkit for Scientific Computation"
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
sha256 "733080c80cec9ad2c7da2fb5d922f94889421779eac6c291c9a62152f333fb6b" => :high_sierra
sha256 "e8858a1cec95cc42417773aac1b7e85db1c4938e149f7b27a20ad739a51cb395" => :sierra
sha256 "4b8ddec36720b2778df1fcdcf765bcf7a847abbeec6a7df9f09067b4ca4fb505" => :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"
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