178 lines
4.4 KiB
C
178 lines
4.4 KiB
C
//$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
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//
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// Copyright (c) 2001 Microsoft Corporation. All rights reserved.
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//
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// Module:
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// volcano/dll/vtune.c
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//
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// Description:
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// Runtime portion of the volcano tuning module
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//
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// Author:
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// hrowley
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//
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//$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
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#include <stdio.h>
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#include <float.h>
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#include "common.h"
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#include "vtune.h"
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///////////////////////////////////////
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//
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// VTuneZeroWeights
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//
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// Zero out an array of weights on scores
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//
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// Parameters:
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// pWeights: [out] Pointer to a weights array
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//
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// Return values:
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// None.
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//
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//////////////////////////////////////
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void VTuneZeroWeights(VOLCANO_WEIGHTS *pWeights)
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{
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int i;
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for (i = 0; i < VTUNE_NUM_WEIGHTS; i++)
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{
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pWeights->afl[i] = 0;
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}
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}
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///////////////////////////////////////
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//
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// VTuneComputeScore
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//
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// Compute the weighted sum of the scores and return the result
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//
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// Parameters:
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// pWeights: [in] Pointer to a weights array
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// pScores: [in] Pointer to a scores array
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//
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// Return values:
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// Weighted sum of the scores.
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//
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//////////////////////////////////////
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float VTuneComputeScore(VOLCANO_WEIGHTS *pWeights, VOLCANO_WEIGHTS *pScores)
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{
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int i;
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float flTotal = 0.0;
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for (i = 0; i < VTUNE_NUM_WEIGHTS; i++)
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{
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flTotal += pWeights->afl[i] * pScores->afl[i];
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}
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return flTotal;
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}
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///////////////////////////////////////
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//
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// VTuneComputeScoreNoLM
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//
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// Compute the weighted sum of the scores and return the result.
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// Unlike VTuneComputeScore, this version does not add in the
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// components of the score related to the language model.
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//
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// Parameters:
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// pWeights: [in] Pointer to a weights array
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// pScores: [in] Pointer to a scores array
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//
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// Return values:
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// Weighted sum of the scores.
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//
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//////////////////////////////////////
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float VTuneComputeScoreNoLM(VOLCANO_WEIGHTS *pWeights, VOLCANO_WEIGHTS *pScores)
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{
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int i;
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float flTotal = 0.0;
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for (i = 0; i < VTUNE_NUM_WEIGHTS; i++)
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{
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// Check th
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switch (i)
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{
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// Global language model
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case VTUNE_UNIGRAM:
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break;
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// String mode language model
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case VTUNE_STRING_SMOOTHING_UNIGRAM:
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case VTUNE_STRING_BIGRAM:
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case VTUNE_STRING_CLASS_BIGRAM:
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break;
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// Free mode langauge model
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case VTUNE_FREE_SMOOTHING_UNIGRAM:
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case VTUNE_FREE_BIGRAM:
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case VTUNE_FREE_CLASS_BIGRAM:
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break;
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// Otherwise, add in the score
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default:
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flTotal += pWeights->afl[i] * pScores->afl[i];
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break;
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}
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}
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return flTotal;
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}
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///////////////////////////////////////
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//
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// VTuneCheckFileVersion
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//
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// Check the file header and version information in a tuning database
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//
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// Parameters:
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// pTune: [in] Tuning database to check
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//
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// Return values:
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// TRUE if file version is okay, FALSE otherwise
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//
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//////////////////////////////////////
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BOOL VTuneCheckFileVersion(VOLCANO_PARAMS *pTune)
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{
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ASSERT(pTune->dwFileType == VTUNE_FILE_TYPE);
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if (pTune->dwFileType != VTUNE_FILE_TYPE)
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{
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return FALSE;
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}
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ASSERT(pTune->iFileVer >= VTUNE_OLD_FILE_VERSION);
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ASSERT(pTune->iMinCodeVer <= VTUNE_CUR_FILE_VERSION);
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if (pTune->iFileVer >= VTUNE_OLD_FILE_VERSION &&
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pTune->iMinCodeVer <= VTUNE_CUR_FILE_VERSION)
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{
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return TRUE;
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}
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return FALSE;
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}
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///////////////////////////////////////
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//
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// VTuneLoadRes
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//
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// Map a resource as the tuning parameter database
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//
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// Parameters:
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// pInfo: [out] Pointer to the database structure to fill in
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// hInst: [in] DLL to locate the resource in
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// nResID: [in] Resource ID
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// nType: [in] Resource type
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//
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// Return values:
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// TRUE if the mapping succeeds, FALSE if the mapping fails.
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//
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//////////////////////////////////////
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BOOL VTuneLoadRes(VOLCANO_PARAMS_INFO *pInfo, HINSTANCE hInst, int nResID, int nType)
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{
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pInfo->pTune = (VOLCANO_PARAMS *) DoLoadResource(&pInfo->info, hInst, nResID, nType);
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if (pInfo->pTune == NULL)
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{
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ASSERT(("Failed to locate resource for VTune database.\n", FALSE));
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return FALSE;
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}
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// Check the file version
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return VTuneCheckFileVersion(pInfo->pTune);
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}
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