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View of /branches/pure-cfg/src/include/Diderot/strands.h

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Revision 1462 - (download) (as text) (annotate)
Tue Aug 9 07:22:45 2011 UTC (9 years, 3 months ago) by lamonts
File size: 2552 byte(s)
Added Support for converting host strands to its shadow types 
/*! \file strands.h
 * \author John Reppy

 * COPYRIGHT (c) 2011 The Diderot Project (http://diderot-language.cs.uchicago.edu)
 * All rights reserved.


#include "Diderot/types.h"

typedef StrandStatus_t (*update_method_t)(void *, void *);
typedef void (*stabilize_method_t)(void *, void *);
typedef void (*print_method_t)(FILE *, void *);
typedef void (*out_method_t)(void *, void *);
typedef void (*convert_method_t)(void *, void *); 

/* hooks generated by the compiler for the runtime */
typedef struct {
    char                *name;          //!< name of strand
    size_t              stateSzb;       //!< size of strand state in bytes
    size_t              outputSzb;      // sze of strand output
    int                 nrrdType;       // nrrdType enum for output
    update_method_t     update;         //!< update method
    stabilize_method_t  stabilize;      //!< stabilize method
    size_t              shadowStrandSzb; //!< shadow strand size
    convert_method_t    strandCopy;     // !< copy strand method 
    print_method_t      print;          //!< function for printing output state
    out_method_t        out;            // function for outputing output state
} Strand_t;

extern int Diderot_NumStrands;          //!< the number of strands in the program
extern Strand_t *Diderot_Strands[];     //!< array of NumStrands strand descriptors

typedef struct struct_world Diderot_World_t;

extern void Diderot_InitGlobals ();

extern Diderot_World_t *Diderot_Initially ();
extern void Diderot_Shutdown (Diderot_World_t *wrld);

/* Diderot library functions */

// block allocation of an initial collection of strands
extern Diderot_World_t *Diderot_AllocInitially (
    const char *name,           // the name of the program
    Strand_t *strand,           // the type of strands being allocated
    bool isArray,               // is the initialization an array or collection?
    uint32_t nDims,             // depth of iteration nesting
    int32_t *base,              // nDims array of base indices
    uint32_t *size);            // nDims array of iteration sizes

// get strand state pointers
extern void *Diderot_InState (Diderot_World_t *wrld, uint32_t i);
extern void *Diderot_OutState (Diderot_World_t *wrld, uint32_t i);
extern bool Diderot_IsActive (Diderot_World_t *wrld, uint32_t i);

// strand allocation (no initializtion)
extern void *Diderot_AllocStrand (Strand_t *strand);

#endif /* !_DIDEROT_STRANDS_H_ */

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