26 lines
895 B
C
26 lines
895 B
C
/* $NetBSD: bigu.c,v 1.1.1.1 2001/01/27 08:08:57 itojun Exp $ */
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/* Copyright (C) RSA Data Security, Inc. created 1986, 1996. This is an
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unpublished work protected as such under copyright law. This work
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contains proprietary, confidential, and trade secret information of
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RSA Data Security, Inc. Use, disclosure or reproduction without the
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express written authorization of RSA Data Security, Inc. is
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prohibited.
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*/
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#include "port_before.h"
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#include "global.h"
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#include "bigmath.h"
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#include "port_after.h"
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/* BigU (t) -- returns length u where floor (2**u/b) is used as scaled version
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of (1/b) when modding out modulo b, and where (positive) integers to be
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reduced are < 2**t; i.e. they are at most t bits in length.
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Result is (t+1) rounded up if necessary to next multiple of 16.
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*/
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unsigned int BigU (t)
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unsigned int t;
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{
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return (16 * (((t+1) + 15)/16));
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}
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