132 lines
5.1 KiB
C
132 lines
5.1 KiB
C
/************************************************************
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*
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* runNet.h
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*
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* Bare bones net.
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* Use this implementation to build and run a net
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* (Not for training)
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*
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* mrevow
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*
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***********************************************************/
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#ifndef H_RUN_NET_H
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#define H_RUN_NET_H
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// Versioning infrmation
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// December 2001 Introduced versioning information. Prior to this the version
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// number did not exist. The first element was eNetType which had value < 10
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//
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// Changes introduce lossType, txfer and unitType into runNet description
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//
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// March 2002
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// Incompatible changes:
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// Add upfront scaling of features (Added the range vector for input vars)
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// Also add data-type sizes for all weight, bias and range vectors
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//
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#define RUN_NET_VER_START (10) // First version number introduced December 2001
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#define RUN_NET_VER_10 (10) // December 2001 - March 2002
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#define RUN_NET_VER_11 (11) // March 2002 Current Version Number
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//#define NET_FLOAT
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typedef int RREAL; // Used for intermediate calculation and unit activations
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typedef short RREAL_WEIGHT; // Used for Net weights (excluding bias)
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typedef int RREAL_BIAS; // Used for bias weights
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typedef __int64 RREAL_INPUT; // Used for scaling inputs which are of type RREAL
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// This types is shared between the train and run time nets
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// It is defined here and in netTypes.h - kkep them in sync
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#ifndef CAMEL_NET_TYPE_DEFINED
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typedef enum tagNET_TYPE {NO_NET_TYPE, FULLY_CONNECTED, LOCALLY_CONNECTED} NET_TYPE;
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typedef enum tagLOSS_TYPE {SUMSQUARE, SUMSQUARE_CLASS, CROSSENTROPY, CROSSENTROPY_FULL, C_LOSS_TYPE} LOSS_TYPE;
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typedef enum tagTXF_TYPE {TXF_LINEAR, TXF_INT_SIGMOID, TXF_SIGMOID, TXF_TANH, TXF_SOFTMAX, CTXF_TYPE} TXF_TYPE;
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typedef enum tagLAYER_TYPE {INPUT_LAYER, HIDDEN_LAYER, OUTPUT_LAYER, BIAS_LAYER, CLAYER_TYPE} LAYER_TYPE;
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#define CAMEL_NET_TYPE_DEFINED
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#endif
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#define MIN_PREC_VAL 0
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#define SOFT_MAX_UNITY 10000 // Value of 1.0 in the softMax
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// Describes a net. In a running net the description
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// up to and including the weight vector will be loaded
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// from a resource
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typedef struct tagRUN_NET
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{
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WORD iVer; // Added December 2001 - Versioning information -> 0 implies none present
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WORD cLayer; // Number of layers in net
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LOSS_TYPE lossType; // Added December 2001 - Type of output loss - only present for net versions > 10
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TXF_TYPE *txfType; // Added December 2001 - Txfer type for each layer - only present for net versions > 10
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LAYER_TYPE *layerType; // Added December 2001 - Unit type of eachlayer - only present for net versions > 10
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WORD cWeight; // Total # of weights in network
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WORD cTotUnit; // Total number of units in network
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WORD *cUnitsPerLayer; // # of units per layer
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WORD *bUseBias; // Use bias units? per layer
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WORD *pWeightScale; // Amount by which each layers incoming weights are scaled
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WORD iInputScaledMeanDataSize; // Data type size for pInputMean (Introduced March 2002)
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WORD iInputRangeDataSize;// Data type size for Input Range Vector (Introduced March 2002)
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WORD iWeightDataSize; // Data Type size for weight vector (Introduced March 2002)
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RREAL *pInputRange; // Ranges for each input variable > 0 (Introduced March 2002)
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RREAL_INPUT *pInputScaledMean; // Scaled Means for input data (Introduced March 2002 to replace pInputMean)
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RREAL *pInputMean; // Means for input data
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UINT cWeightByte; // Count of bytes used for weights
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RREAL_WEIGHT *pWeight; // All network weights.
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} RUN_NET;
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// describes the outgoing connections of a unit
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// as the start and end unit offsets to which it connects
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typedef struct tagOUT_CONNECTIONS
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{
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WORD iUnit; // The unit in question
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WORD iStartUnitOffset;
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WORD iEndUnitOffset;
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} OUT_CONNECTIONS;
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// Describes a locally connected network
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typedef struct tagLOCAL_NET
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{
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WORD iVer; // Version Number (Started December 2001, Before all nets had eNetType as the first element set to LOCALLY_CONNECT (
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WORD eNetType; // Must be of type LOCALLY_CONNECTED
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RUN_NET runNet; // How to run the Net
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int cConnect; // Number of connections
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OUT_CONNECTIONS *pOutConnect;
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} LOCAL_NET;
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#ifdef __cplusplus
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extern "C"
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{
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#endif
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// API functions
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extern BYTE *restoreRunNet( BYTE *pBuf, BYTE *pBCurr, RUN_NET *pNet, WORD iVer) ;
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extern LOCAL_NET * restoreLocalConnectNet( void *pBuf, wchar_t wNetId, LOCAL_NET *pNet ) ;
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extern RREAL *runFullConnectNet( RUN_NET *pNet, RREAL *pfUnits, UINT *piWinner ) ;
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extern RREAL *runLocalConnectNet( LOCAL_NET *pNet, RREAL *pfUnits, UINT *piWinner, UINT *pcOut ) ;
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extern int getRunTimeNetMemoryRequirements(void *pBuf);
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extern LOCAL_NET *loadNet(HINSTANCE hInst, int iKey, int *iNetSize, LOCAL_NET *pNet);
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extern void *loadNetFromResource(HINSTANCE hInst, int iKey, int *iSize);
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#ifdef NET_FLOAT
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#define SIGMOID fsigmoid
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#define EXP(x) exp((x)/65536.0F) * 65536.0F
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RREAL * fsigmoid(RREAL *pVec, int cVec, WORD scale);
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#else
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#define SIGMOID isigmoid
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#define EXP(x) iexp(x)
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RREAL * isigmoid(RREAL *pVec, int cVec, WORD scale);
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RREAL iexp(RREAL val);
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#endif
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#ifdef HWX_INTERNAL
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LOCAL_NET * LoadRunNetFromFp(LOCAL_NET *pNet, int *iNetSize, char * fname);
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#endif
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#ifdef __cplusplus
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}
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#endif
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#endif
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