33 lines
924 B
C
33 lines
924 B
C
/*
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* (c) copyright 1987 by the Vrije Universiteit, Amsterdam, The Netherlands.
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* See the copyright notice in the ACK home directory, in the file "Copyright".
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*/
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/* $Header$ */
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/* COMPILER ARITHMETIC */
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/* Normally the compiler does its internal arithmetics in longs
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native to the source machine, which is always good for local
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compilations, and generally OK too for cross compilations
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downwards and sidewards. For upwards cross compilation and
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to save storage on small machines, SPECIAL_ARITHMETICS will
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be handy.
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*/
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#include "spec_arith.h"
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#ifndef SPECIAL_ARITHMETICS
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#include <em_arith.h> /* obtain definition of "arith" */
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#else /* SPECIAL_ARITHMETICS */
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/* All preprocessor arithmetic should be done in longs.
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*/
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#define arith long /* dummy */
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#endif /* SPECIAL_ARITHMETICS */
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#define arith_size (sizeof(arith))
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#define arith_sign ((arith) 1 << (arith_size * 8 - 1))
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#define max_arith (~arith_sign)
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