/* Copyright (C) 2009-2010 The Trustees of Indiana University.             *//*                                                                         *//* Use, modification and distribution is subject to the Boost Software     *//* License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at *//* http://www.boost.org/LICENSE_1_0.txt)                                   *//*                                                                         *//*  Authors: Jeremiah Willcock                                             *//*           Andrew Lumsdaine                                              */ #ifndef MAKE_GRAPH_H#define MAKE_GRAPH_H #include <stdint.h> #ifdef __cplusplusextern "C" {#endif /* Simplified interface for users; implemented in different ways on different * platforms. */void make_graph(  /* in */ int log_numverts          /* log_2 of vertex count */,  /* in */ int64_t desired_nedges    /* Target number of edges (actual number                                      * will be slightly smaller) */,  /* in */ uint64_t userseed1        /* Arbitrary 64-bit seed value */,  /* in */ uint64_t userseed2        /* Arbitrary 64-bit seed value */,  /* in */ const double initiator[4] /* Kronecker initiator (i.e., R-MAT a, b,                                      * c, d) */,  /* out */ int64_t* nedges          /* Number of generated edges */,  /* out */ int64_t** result         /* Array of edges (each pair of elements                                      * is a single edge); pairs with first                                      * element -1 should be ignored;                                      * allocated by make_graph() but must be                                      * freed using free() by user */); /* PRNG interface for implementations; takes seed in same format as given by * users, and creates a vector of doubles in a reproducible (and * random-access) way. */void make_random_numbers(       /* in */ int64_t nvalues    /* Number of values to generate */,       /* in */ uint64_t userseed1 /* Arbitrary 64-bit seed value */,       /* in */ uint64_t userseed2 /* Arbitrary 64-bit seed value */,       /* in */ int64_t position   /* Start index in random number stream */,       /* out */ double* result    /* Returned array of values */); #ifdef __cplusplus}#endif #endif /* MAKE_GRAPH_H */