1219820Sjeff/* 2219820Sjeff * Copyright (c) 2004, 2005 Voltaire, Inc. All rights reserved. 3219820Sjeff * Copyright (c) 2002-2005 Mellanox Technologies LTD. All rights reserved. 4219820Sjeff * Copyright (c) 1996-2003 Intel Corporation. All rights reserved. 5219820Sjeff * 6219820Sjeff * This software is available to you under a choice of one of two 7219820Sjeff * licenses. You may choose to be licensed under the terms of the GNU 8219820Sjeff * General Public License (GPL) Version 2, available from the file 9219820Sjeff * COPYING in the main directory of this source tree, or the 10219820Sjeff * OpenIB.org BSD license below: 11219820Sjeff * 12219820Sjeff * Redistribution and use in source and binary forms, with or 13219820Sjeff * without modification, are permitted provided that the following 14219820Sjeff * conditions are met: 15219820Sjeff * 16219820Sjeff * - Redistributions of source code must retain the above 17219820Sjeff * copyright notice, this list of conditions and the following 18219820Sjeff * disclaimer. 19219820Sjeff * 20219820Sjeff * - Redistributions in binary form must reproduce the above 21219820Sjeff * copyright notice, this list of conditions and the following 22219820Sjeff * disclaimer in the documentation and/or other materials 23219820Sjeff * provided with the distribution. 24219820Sjeff * 25219820Sjeff * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 26219820Sjeff * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 27219820Sjeff * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 28219820Sjeff * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS 29219820Sjeff * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN 30219820Sjeff * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 31219820Sjeff * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 32219820Sjeff * SOFTWARE. 33219820Sjeff * 34219820Sjeff */ 35219820Sjeff 36219820Sjeff/* 37219820Sjeff * Abstract: 38219820Sjeff * Defines standard math related macros and functions. 39219820Sjeff */ 40219820Sjeff 41219820Sjeff#ifndef _CL_MATH_H_ 42219820Sjeff#define _CL_MATH_H_ 43219820Sjeff 44219820Sjeff#include <complib/cl_types.h> 45219820Sjeff 46219820Sjeff#ifdef __cplusplus 47219820Sjeff# define BEGIN_C_DECLS extern "C" { 48219820Sjeff# define END_C_DECLS } 49219820Sjeff#else /* !__cplusplus */ 50219820Sjeff# define BEGIN_C_DECLS 51219820Sjeff# define END_C_DECLS 52219820Sjeff#endif /* __cplusplus */ 53219820Sjeff 54219820SjeffBEGIN_C_DECLS 55219820Sjeff/****d* Component Library: Math/MAX 56219820Sjeff* NAME 57219820Sjeff* MAX 58219820Sjeff* 59219820Sjeff* DESCRIPTION 60219820Sjeff* The MAX macro returns the greater of two values. 61219820Sjeff* 62219820Sjeff* SYNOPSIS 63219820Sjeff* MAX( x, y ); 64219820Sjeff* 65219820Sjeff* PARAMETERS 66219820Sjeff* x 67219820Sjeff* [in] First of two values to compare. 68219820Sjeff* 69219820Sjeff* y 70219820Sjeff* [in] Second of two values to compare. 71219820Sjeff* 72219820Sjeff* RETURN VALUE 73219820Sjeff* Returns the greater of the x and y parameters. 74219820Sjeff* 75219820Sjeff* SEE ALSO 76219820Sjeff* MIN, ROUNDUP 77219820Sjeff*********/ 78219820Sjeff#ifndef MAX 79219820Sjeff#define MAX(x,y) ((x) > (y) ? (x) : (y)) 80219820Sjeff#endif 81219820Sjeff/****d* Component Library: Math/MIN 82219820Sjeff* NAME 83219820Sjeff* MIN 84219820Sjeff* 85219820Sjeff* DESCRIPTION 86219820Sjeff* The MIN macro returns the greater of two values. 87219820Sjeff* 88219820Sjeff* SYNOPSIS 89219820Sjeff* MIN( x, y ); 90219820Sjeff* 91219820Sjeff* PARAMETERS 92219820Sjeff* x 93219820Sjeff* [in] First of two values to compare. 94219820Sjeff* 95219820Sjeff* y 96219820Sjeff* [in] Second of two values to compare. 97219820Sjeff* 98219820Sjeff* RETURN VALUE 99219820Sjeff* Returns the lesser of the x and y parameters. 100219820Sjeff* 101219820Sjeff* SEE ALSO 102219820Sjeff* MAX, ROUNDUP 103219820Sjeff*********/ 104219820Sjeff#ifndef MIN 105219820Sjeff#define MIN(x,y) ((x) < (y) ? (x) : (y)) 106219820Sjeff#endif 107219820Sjeff/****d* Component Library: Math/ROUNDUP 108219820Sjeff* NAME 109219820Sjeff* ROUNDUP 110219820Sjeff* 111219820Sjeff* DESCRIPTION 112219820Sjeff* The ROUNDUP macro rounds a value up to a given multiple. 113219820Sjeff* 114219820Sjeff* SYNOPSIS 115219820Sjeff* ROUNDUP( val, align ); 116219820Sjeff* 117219820Sjeff* PARAMETERS 118219820Sjeff* val 119219820Sjeff* [in] Value that is to be rounded up. The type of the value is 120219820Sjeff* indeterminate, but must be at most the size of a natural integer 121219820Sjeff* for the platform. 122219820Sjeff* 123219820Sjeff* align 124219820Sjeff* [in] Multiple to which the val parameter must be rounded up. 125219820Sjeff* 126219820Sjeff* RETURN VALUE 127219820Sjeff* Returns a value that is the input value specified by val rounded up to 128219820Sjeff* the nearest multiple of align. 129219820Sjeff* 130219820Sjeff* NOTES 131219820Sjeff* The value provided must be of a type at most the size of a natural integer. 132219820Sjeff*********/ 133219820Sjeff#ifndef ROUNDUP 134219820Sjeff#define ROUNDUP(val, align) \ 135219820Sjeff ((((val) / (align))*(align)) + (((val) % (align)) ? (align) : 0)) 136219820Sjeff#endif 137219820SjeffEND_C_DECLS 138219820Sjeff#endif /* _CL_MATH_H_ */ 139