tests/factor/factor-parallel.sh

   1 #!/bin/sh
   2 # Test for complete lines on output
   3
   4 # Copyright (C) 2015-2024 Free Software Foundation, Inc.
   5
   6 # This program is free software: you can redistribute it and/or modify
   7 # it under the terms of the GNU General Public License as published by
   8 # the Free Software Foundation, either version 3 of the License, or
   9 # (at your option) any later version.
  10
  11 # This program is distributed in the hope that it will be useful,
  12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 # GNU General Public License for more details.
  15
  16 # You should have received a copy of the GNU General Public License
  17 # along with this program.  If not, see <https://www.gnu.org/licenses/>.
  18
  19 . "${srcdir=.}/tests/init.sh"; path_prepend_ ./src
  20 print_ver_ factor
  21
  22
  23 odd() { LC_ALL=C sed '/[24680]$/d'; }
  24 primes() { LC_ALL=C sed 's/.*: //; / /d'; }
  25
  26 # Before v8.24 the number reported here would vary
  27 # Note -u not supplied to split, increased batching of quickly processed items.
  28 # As processing cost increases it becomes advantageous to use -u to keep
  29 # the factor processes supplied with data.
  30 nprimes=$(seq 1e6 | odd | split -nr/4 --filter='factor' | primes | wc -l)
  31
  32 test "$nprimes" = '78498' || fail=1
  33
  34 Exit $fail