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openmpi/opal/util/pow2.h
George Bosilca 5e280cda19 Latest and greatest. Now OPAL is ready for the Windows prime-time.
The same treatement will happens on all sub-projects. The .h files
have to be C++ compatibles and all symbols with an external visibility
have to get the {PROJECT}_DECLSPEC in front of the prototype.

This commit was SVN r11340.
2006-08-23 00:29:35 +00:00

42 строки
1.2 KiB
C

/*
* Copyright (c) 2004-2005 The Trustees of Indiana University and Indiana
* University Research and Technology
* Corporation. All rights reserved.
* Copyright (c) 2004-2006 The University of Tennessee and The University
* of Tennessee Research Foundation. All rights
* reserved.
* Copyright (c) 2004-2005 High Performance Computing Center Stuttgart,
* University of Stuttgart. All rights reserved.
* Copyright (c) 2004-2005 The Regents of the University of California.
* All rights reserved.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
#ifndef OPAL_POW2_H
#define OPAL_POW2_H
#if defined(c_plusplus) || defined(__cplusplus)
extern "C" {
#endif
/**
* This routine takes in an interger, and returns the nearest
* power of 2 integer, same or greater than the input.
*
* @param input_integer input value
*
* @returnvalue power of 2 integer same or greater than the input
* parameter.
*/
OPAL_DECLSPEC int opal_round_up_to_nearest_pow2(int input_integer);
#if defined(c_plusplus) || defined(__cplusplus)
}
#endif
#endif /* OPAL_POW2_H */