1321936Shselasky/* 2321936Shselasky * Copyright (c) 2004, 2005 Voltaire, Inc. All rights reserved. 3321936Shselasky * Copyright (c) 2002-2005 Mellanox Technologies LTD. All rights reserved. 4321936Shselasky * Copyright (c) 1996-2003 Intel Corporation. All rights reserved. 5321936Shselasky * 6321936Shselasky * This software is available to you under a choice of one of two 7321936Shselasky * licenses. You may choose to be licensed under the terms of the GNU 8321936Shselasky * General Public License (GPL) Version 2, available from the file 9321936Shselasky * COPYING in the main directory of this source tree, or the 10321936Shselasky * OpenIB.org BSD license below: 11321936Shselasky * 12321936Shselasky * Redistribution and use in source and binary forms, with or 13321936Shselasky * without modification, are permitted provided that the following 14321936Shselasky * conditions are met: 15321936Shselasky * 16321936Shselasky * - Redistributions of source code must retain the above 17321936Shselasky * copyright notice, this list of conditions and the following 18321936Shselasky * disclaimer. 19321936Shselasky * 20321936Shselasky * - Redistributions in binary form must reproduce the above 21321936Shselasky * copyright notice, this list of conditions and the following 22321936Shselasky * disclaimer in the documentation and/or other materials 23321936Shselasky * provided with the distribution. 24321936Shselasky * 25321936Shselasky * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 26321936Shselasky * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 27321936Shselasky * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 28321936Shselasky * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS 29321936Shselasky * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN 30321936Shselasky * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 31321936Shselasky * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 32321936Shselasky * SOFTWARE. 33321936Shselasky * 34321936Shselasky */ 35321936Shselasky 36321936Shselasky/* 37321936Shselasky * Abstract: 38321936Shselasky * Defines standard math related macros and functions. 39321936Shselasky */ 40321936Shselasky 41321936Shselasky#ifndef _CL_MATH_H_ 42321936Shselasky#define _CL_MATH_H_ 43321936Shselasky 44321936Shselasky#include <complib/cl_types.h> 45321936Shselasky 46321936Shselasky#ifdef __cplusplus 47321936Shselasky# define BEGIN_C_DECLS extern "C" { 48321936Shselasky# define END_C_DECLS } 49321936Shselasky#else /* !__cplusplus */ 50321936Shselasky# define BEGIN_C_DECLS 51321936Shselasky# define END_C_DECLS 52321936Shselasky#endif /* __cplusplus */ 53321936Shselasky 54321936ShselaskyBEGIN_C_DECLS 55321936Shselasky/****d* Component Library: Math/MAX 56321936Shselasky* NAME 57321936Shselasky* MAX 58321936Shselasky* 59321936Shselasky* DESCRIPTION 60321936Shselasky* The MAX macro returns the greater of two values. 61321936Shselasky* 62321936Shselasky* SYNOPSIS 63321936Shselasky* MAX( x, y ); 64321936Shselasky* 65321936Shselasky* PARAMETERS 66321936Shselasky* x 67321936Shselasky* [in] First of two values to compare. 68321936Shselasky* 69321936Shselasky* y 70321936Shselasky* [in] Second of two values to compare. 71321936Shselasky* 72321936Shselasky* RETURN VALUE 73321936Shselasky* Returns the greater of the x and y parameters. 74321936Shselasky* 75321936Shselasky* SEE ALSO 76321936Shselasky* MIN, ROUNDUP 77321936Shselasky*********/ 78321936Shselasky#ifndef MAX 79321936Shselasky#define MAX(x,y) ((x) > (y) ? (x) : (y)) 80321936Shselasky#endif 81321936Shselasky/****d* Component Library: Math/MIN 82321936Shselasky* NAME 83321936Shselasky* MIN 84321936Shselasky* 85321936Shselasky* DESCRIPTION 86321936Shselasky* The MIN macro returns the greater of two values. 87321936Shselasky* 88321936Shselasky* SYNOPSIS 89321936Shselasky* MIN( x, y ); 90321936Shselasky* 91321936Shselasky* PARAMETERS 92321936Shselasky* x 93321936Shselasky* [in] First of two values to compare. 94321936Shselasky* 95321936Shselasky* y 96321936Shselasky* [in] Second of two values to compare. 97321936Shselasky* 98321936Shselasky* RETURN VALUE 99321936Shselasky* Returns the lesser of the x and y parameters. 100321936Shselasky* 101321936Shselasky* SEE ALSO 102321936Shselasky* MAX, ROUNDUP 103321936Shselasky*********/ 104321936Shselasky#ifndef MIN 105321936Shselasky#define MIN(x,y) ((x) < (y) ? (x) : (y)) 106321936Shselasky#endif 107321936Shselasky/****d* Component Library: Math/ROUNDUP 108321936Shselasky* NAME 109321936Shselasky* ROUNDUP 110321936Shselasky* 111321936Shselasky* DESCRIPTION 112321936Shselasky* The ROUNDUP macro rounds a value up to a given multiple. 113321936Shselasky* 114321936Shselasky* SYNOPSIS 115321936Shselasky* ROUNDUP( val, align ); 116321936Shselasky* 117321936Shselasky* PARAMETERS 118321936Shselasky* val 119321936Shselasky* [in] Value that is to be rounded up. The type of the value is 120321936Shselasky* indeterminate, but must be at most the size of a natural integer 121321936Shselasky* for the platform. 122321936Shselasky* 123321936Shselasky* align 124321936Shselasky* [in] Multiple to which the val parameter must be rounded up. 125321936Shselasky* 126321936Shselasky* RETURN VALUE 127321936Shselasky* Returns a value that is the input value specified by val rounded up to 128321936Shselasky* the nearest multiple of align. 129321936Shselasky* 130321936Shselasky* NOTES 131321936Shselasky* The value provided must be of a type at most the size of a natural integer. 132321936Shselasky*********/ 133321936Shselasky#ifndef ROUNDUP 134321936Shselasky#define ROUNDUP(val, align) \ 135321936Shselasky ((((val) / (align))*(align)) + (((val) % (align)) ? (align) : 0)) 136321936Shselasky#endif 137321936ShselaskyEND_C_DECLS 138321936Shselasky#endif /* _CL_MATH_H_ */ 139