Changeset 965 for trunk/psLib/src/collections/psBitSet.h
- Timestamp:
- Jun 9, 2004, 2:29:09 PM (22 years ago)
- File:
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- 1 edited
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trunk/psLib/src/collections/psBitSet.h (modified) (6 diffs)
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trunk/psLib/src/collections/psBitSet.h
r614 r965 4 4 * 5 5 * Bit masks are useful tools for toggling various flags and options. This set of functions module provides 6 * a mechanism to create an array of bits of arbitrary length and manipulate them with basic binary 6 * a mechanism to create an array of bits of arbitrary length and manipulate them with basic binary 7 7 * operations. A print function is also provided to display the entire set of bits in binary format as a 8 8 * string. 9 9 * 10 10 * @author Ross Harman, MHPCC 11 * 12 * @version $Revision: 1. 3$ $Name: not supported by cvs2svn $13 * @date $Date: 2004-0 5-08 00:08:27$11 * 12 * @version $Revision: 1.4 $ $Name: not supported by cvs2svn $ 13 * @date $Date: 2004-06-10 00:28:58 $ 14 14 * 15 15 * Copyright 2004 Maui High Performance Computing Center, University of Hawaii … … 25 25 /** Struct containing array of bytes to hold bit data and corresponding array length. 26 26 * 27 * The bits in the struct are assembled in as an array of bytes with eight bits per byte. The bits are 27 * The bits in the struct are assembled in as an array of bytes with eight bits per byte. The bits are 28 28 * arranged with the LSB in first (right most) position of the first array element. 29 29 */ … … 41 41 /** Allocate a psBitSet. 42 42 * 43 * Create a psBitSet with the number of bytes specified by the user. All bits are set to zero upon 43 * Create a psBitSet with the number of bytes specified by the user. All bits are set to zero upon 44 44 * allocation. 45 45 * … … 48 48 /*@null@*/ 49 49 psBitSet* psBitSetAlloc( 50 int n /**< Number of b ytes in psBitSet array */50 int n /**< Number of bits in psBitSet array */ 51 51 ); 52 52 … … 61 61 /** Set a bit. 62 62 * 63 * Sets a bit at a given bit location, either one or zero. The bit is set based on a zero index with the 63 * Sets a bit at a given bit location, either one or zero. The bit is set based on a zero index with the 64 64 * first bit set in the zero bit slot of the zero element of the byte array. As an example, setting bit 3 in 65 65 * an array with two elements would result in an psBitSet that looks like 00000000 00001000. … … 74 74 /** Test the value of a bit. 75 75 * 76 * Prints the value of a bit at a given bit location, either one or zero. The resulting bit is based on a 77 * zero index format with the first bit set in the zero bit slot of the zero element of the byte array 76 * Prints the value of a bit at a given bit location, either one or zero. The resulting bit is based on a 77 * zero index format with the first bit set in the zero bit slot of the zero element of the byte array 78 78 * As an example, testing bit 3 in a psBitSet with two bytes that looks like 00000000 00001000 would return a 79 79 * value of one, since that is the value that was set.
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