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41 lines
948 B
41 lines
948 B
2 years ago
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/*!
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\file
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\brief Templates for various utility routines
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\date Started 5/28/07
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\author George
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\version\verbatim $Id: gk_mkutils.h 10711 2011-08-31 22:23:04Z karypis $ \endverbatim
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*/
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#ifndef _GK_MKUTILS_H_
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#define _GK_MKUTILS_H_
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#define GK_MKARRAY2CSR(PRFX, TYPE)\
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/*************************************************************************/\
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/*! The macro for gk_?array2csr() routine */\
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/**************************************************************************/\
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void PRFX ## array2csr(TYPE n, TYPE range, TYPE *array, TYPE *ptr, TYPE *ind)\
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{\
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TYPE i;\
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\
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for (i=0; i<=range; i++)\
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ptr[i] = 0;\
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\
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for (i=0; i<n; i++)\
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ptr[array[i]]++;\
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\
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/* Compute the ptr, ind structure */\
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MAKECSR(i, range, ptr);\
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for (i=0; i<n; i++)\
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ind[ptr[array[i]]++] = i;\
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SHIFTCSR(i, range, ptr);\
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}
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#define GK_MKARRAY2CSR_PROTO(PRFX, TYPE)\
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void PRFX ## array2csr(TYPE n, TYPE range, TYPE *array, TYPE *ptr, TYPE *ind);\
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#endif
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