sgd.h

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#pragma once
 
#include <stddef.h>
#include <util/api.h>
#include <util/bitarray.h>
 
#ifdef __cplusplus
extern "C" {
#endif
 
typedef struct {
    int i, j;
    float d, w;
} term_sgd;
 
typedef struct graph_sgd {
    size_t n; // number of nodes
    size_t *sources; // index of first edge in *targets for each node (length n+1)
    bitarray_t pinneds; // whether a node is fixed or not
 
    size_t *targets; // index of targets for each node (length sources[n])
    float *weights; // weights of edges (length sources[n])
} graph_sgd;
 
PRIVATE void sgd(graph_t *, int);
 
#ifdef __cplusplus
}
#endif