/usr/bin/mlucas is in mlucas 14.1-1.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 | #!/bin/sh
#
# mlucas - shell wrapper for Mlucas
# Copyright (C) 2015 Alex Vong
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software Foundation,
# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
# Use error
set -e
# Obtain PKGLIBEXECDIR from substitution
PKGLIBEXECDIR='/usr/lib/x86_64-linux-gnu/mlucas/'
# Obtain DIRNAME by tranforming `foo/bar' to `foo/'
# Otherwise, set it to $PKGLIBEXECDIR
case "$0" in
*/*)
DIRNAME=`echo "$0" | sed -e 's/\/[^\/]*$/\//g'`
;;
*)
DIRNAME="$PKGLIBEXECDIR"
;;
esac
# Find out where are the mlucas executables
# Print error messages if fail to find mlucas executables
if test -x "$DIRNAME"avx2/mlucas && \
test -x "$DIRNAME"avx/mlucas && \
test -x "$DIRNAME"sse2/mlucas
then
# Try invoking different flavours of mlucas using relative path
# Normally,the sse2 version should work for all amd64 computers
# The `else' clause must not be changed to `elif'
# Otherwise, user will be left hopelessly without any error messages
# if something goes wrong (e.g. MLUCAS_PATH without a trailing `/')
if "$DIRNAME"avx2/mlucas \
-fftlen 192 -iters 100 -radset 0 -nthread 2 \
> /dev/null 2>&1
then
exec "$DIRNAME"avx2/mlucas "$@"
elif "$DIRNAME"avx/mlucas \
-fftlen 192 -iters 100 -radset 0 -nthread 2 \
> /dev/null 2>&1
then
exec "$DIRNAME"avx/mlucas "$@"
else
exec "$DIRNAME"sse2/mlucas "$@"
fi
elif test -x "$PKGLIBEXECDIR"avx2/mlucas && \
test -x "$PKGLIBEXECDIR"avx/mlucas && \
test -x "$PKGLIBEXECDIR"sse2/mlucas
then
# Try invoking different flavours of mlucas using absolute path
# Normally,the sse2 version should work for all amd64 computers
# The `else' clause must not be changed to `elif'
# Otherwise, user will be left hopelessly without any error messages
# if something goes wrong (e.g. MLUCAS_PATH without a trailing `/')
if "$PKGLIBEXECDIR"avx2/mlucas \
-fftlen 192 -iters 100 -radset 0 -nthread 2 \
> /dev/null 2>&1
then
exec "$PKGLIBEXECDIR"avx2/mlucas "$@"
elif "$PKGLIBEXECDIR"avx/mlucas \
-fftlen 192 -iters 100 -radset 0 -nthread 2 \
> /dev/null 2>&1
then
exec "$PKGLIBEXECDIR"avx/mlucas "$@"
else
exec "$PKGLIBEXECDIR"sse2/mlucas "$@"
fi
else
{
printf 'cannot find any mlucas executables\n'
printf 'see BUGS section in mlucas(1) on how to report bugs about '
printf 'installation problems\n'
} >&2
fi
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