2018-06-22 15:48:24 +02:00
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/* Copyright (c) 2003-2004, Roger Dingledine
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* Copyright (c) 2004-2006, Roger Dingledine, Nick Mathewson.
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2019-01-16 18:33:22 +01:00
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* Copyright (c) 2007-2019, The Tor Project, Inc. */
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2018-06-22 15:48:24 +02:00
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/* See LICENSE for licensing information */
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2018-07-02 02:22:55 +02:00
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/**
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* \file muldiv.h
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*
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* \brief Header for muldiv.c
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**/
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2018-06-22 15:48:24 +02:00
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#ifndef TOR_INTMATH_MULDIV_H
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#define TOR_INTMATH_MULDIV_H
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#include "lib/cc/torint.h"
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unsigned round_to_next_multiple_of(unsigned number, unsigned divisor);
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uint32_t round_uint32_to_next_multiple_of(uint32_t number, uint32_t divisor);
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uint64_t round_uint64_to_next_multiple_of(uint64_t number, uint64_t divisor);
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void simplify_fraction64(uint64_t *numer, uint64_t *denom);
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/* Compute the CEIL of <b>a</b> divided by <b>b</b>, for nonnegative <b>a</b>
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* and positive <b>b</b>. Works on integer types only. Not defined if a+(b-1)
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* can overflow. */
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#define CEIL_DIV(a,b) (((a)+((b)-1))/(b))
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#endif /* !defined(TOR_INTMATH_MULDIV_H) */
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