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#!/bin/sh
# This script is used by test/Makefile.ssl to check whether a sane 'bc'
# is installed.
# ('make test_bn' should not try to run 'bc' if it does not exist or if
# it is the broken SunOS 5.[78] bc, which fails the following test.)
if [ 0 != "`bc <<\EOF
obase=16
ibase=16
a=AD88C418F31B3FC712D0425001D522B3AE9134FF3A98C13C1FCC1682211195406C1A6C66C6A\
CEEC1A0EC16950233F77F1C2F2363D56DD71A36C57E0B2511FC4BA8F22D261FE2E9356D99AF57\
10F3817C0E05BF79C423C3F66FDF321BE8D3F18F625D91B670931C1EF25F28E489BDA1C5422D1\
C3F6F7A1AD21585746ECC4F10A14A778AF56F08898E965E9909E965E0CB6F85B514150C644759\
3BE731877B16EA07B552088FF2EA728AC5E0FF3A23EB939304519AB8B60F2C33D6BA0945B66F0\
4FC3CADF855448B24A9D7640BCF473E
b=DCE91E7D120B983EA9A104B5A96D634DD644C37657B1C7860B45E6838999B3DCE5A555583C6\
9209E41F413422954175A06E67FFEF6746DD652F0F48AEFECC3D8CAC13523BDAAD3F5AF4212BD\
8B3CD64126E1A82E190228020C05B91C8B141F1110086FC2A4C6ED631EBA129D04BB9A19FC53D\
3ED0E2017D60A68775B75481449
(a/b)*b + (a%b) - a
EOF`" ]
then
echo "bc does not work. Consider installing GNU bc." >&2
exit 1
else
exit 0
fi
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