31 lines
520 B
C
31 lines
520 B
C
/* labs( long int )
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This file is part of the Public Domain C Library (PDCLib).
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Permission is granted to use, modify, and / or redistribute at will.
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*/
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#include <stdlib.h>
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#ifndef REGTEST
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long int labs( long int j )
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{
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return ( j >= 0 ) ? j : -j;
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}
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#endif
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#ifdef TEST
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#include "_PDCLIB_test.h"
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#include <limits.h>
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int main( void )
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{
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TESTCASE( labs( 0 ) == 0 );
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TESTCASE( labs( LONG_MAX ) == LONG_MAX );
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TESTCASE( labs( LONG_MIN + 1 ) == -( LONG_MIN + 1 ) );
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return TEST_RESULTS;
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}
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#endif
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