/usr/include/infiniband/complib/cl_math.h is in libopensm-dev 3.3.19-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* Copyright (c) 2004, 2005 Voltaire, Inc. All rights reserved.
* Copyright (c) 2002-2005 Mellanox Technologies LTD. All rights reserved.
* Copyright (c) 1996-2003 Intel Corporation. All rights reserved.
*
* This software is available to you under a choice of one of two
* licenses. You may choose to be licensed under the terms of the GNU
* General Public License (GPL) Version 2, available from the file
* COPYING in the main directory of this source tree, or the
* OpenIB.org BSD license below:
*
* Redistribution and use in source and binary forms, with or
* without modification, are permitted provided that the following
* conditions are met:
*
* - Redistributions of source code must retain the above
* copyright notice, this list of conditions and the following
* disclaimer.
*
* - Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
*/
/*
* Abstract:
* Defines standard math related macros and functions.
*/
#ifndef _CL_MATH_H_
#define _CL_MATH_H_
#include <complib/cl_types.h>
#ifdef __cplusplus
# define BEGIN_C_DECLS extern "C" {
# define END_C_DECLS }
#else /* !__cplusplus */
# define BEGIN_C_DECLS
# define END_C_DECLS
#endif /* __cplusplus */
BEGIN_C_DECLS
/****d* Component Library: Math/MAX
* NAME
* MAX
*
* DESCRIPTION
* The MAX macro returns the greater of two values.
*
* SYNOPSIS
* MAX( x, y );
*
* PARAMETERS
* x
* [in] First of two values to compare.
*
* y
* [in] Second of two values to compare.
*
* RETURN VALUE
* Returns the greater of the x and y parameters.
*
* SEE ALSO
* MIN, ROUNDUP
*********/
#ifndef MAX
#define MAX(x,y) ((x) > (y) ? (x) : (y))
#endif
/****d* Component Library: Math/MIN
* NAME
* MIN
*
* DESCRIPTION
* The MIN macro returns the greater of two values.
*
* SYNOPSIS
* MIN( x, y );
*
* PARAMETERS
* x
* [in] First of two values to compare.
*
* y
* [in] Second of two values to compare.
*
* RETURN VALUE
* Returns the lesser of the x and y parameters.
*
* SEE ALSO
* MAX, ROUNDUP
*********/
#ifndef MIN
#define MIN(x,y) ((x) < (y) ? (x) : (y))
#endif
/****d* Component Library: Math/ROUNDUP
* NAME
* ROUNDUP
*
* DESCRIPTION
* The ROUNDUP macro rounds a value up to a given multiple.
*
* SYNOPSIS
* ROUNDUP( val, align );
*
* PARAMETERS
* val
* [in] Value that is to be rounded up. The type of the value is
* indeterminate, but must be at most the size of a natural integer
* for the platform.
*
* align
* [in] Multiple to which the val parameter must be rounded up.
*
* RETURN VALUE
* Returns a value that is the input value specified by val rounded up to
* the nearest multiple of align.
*
* NOTES
* The value provided must be of a type at most the size of a natural integer.
*********/
#ifndef ROUNDUP
#define ROUNDUP(val, align) \
((((val) / (align))*(align)) + (((val) % (align)) ? (align) : 0))
#endif
END_C_DECLS
#endif /* _CL_MATH_H_ */
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