/*
* Copyright (C) 2008 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/* ---- includes ----------------------------------------------------------- */
#include "b_BasicEm/Functions.h"
#include "b_BasicEm/Math.h"
#include "b_TensorEm/Mat.h"
/* ------------------------------------------------------------------------- */
/* ========================================================================= */
/* */
/* ---- \ghd{ auxiliary functions } ---------------------------------------- */
/* */
/* ========================================================================= */
/* ------------------------------------------------------------------------- */
/* ========================================================================= */
/* */
/* ---- \ghd{ constructor / destructor } ----------------------------------- */
/* */
/* ========================================================================= */
/* ------------------------------------------------------------------------- */
void bts_Mat_init( struct bbs_Context* cpA,
struct bts_Mat* ptrA )
{
bts_VectorMap_init( cpA, &ptrA->baseE );
ptrA->baseE.typeE = ( uint32 )bts_VM_MAT;
ptrA->baseE.vpMapE = bts_Mat_map;
bts_CompactMat_init( cpA, &ptrA->matE );
}
/* ------------------------------------------------------------------------- */
void bts_Mat_exit( struct bbs_Context* cpA,
struct bts_Mat* ptrA )
{
bts_CompactMat_exit( cpA, &ptrA->matE );
bts_VectorMap_exit( cpA, &ptrA->baseE );
}
/* ------------------------------------------------------------------------- */
/* ========================================================================= */
/* */
/* ---- \ghd{ operators } -------------------------------------------------- */
/* */
/* ========================================================================= */
/* ------------------------------------------------------------------------- */
void bts_Mat_copy( struct bbs_Context* cpA,
struct bts_Mat* ptrA,
const struct bts_Mat* srcPtrA )
{
bts_CompactMat_copy( cpA, &ptrA->matE, &srcPtrA->matE );
}
/* ------------------------------------------------------------------------- */
flag bts_Mat_equal( struct bbs_Context* cpA,
const struct bts_Mat* ptrA,
const struct bts_Mat* srcPtrA )
{
bbs_ERROR0( "bts_Mat_equal:\n Function is not available" );
return FALSE;
}
/* ------------------------------------------------------------------------- */
/* ========================================================================= */
/* */
/* ---- \ghd{ query functions } -------------------------------------------- */
/* */
/* ========================================================================= */
/* ------------------------------------------------------------------------- */
/* ========================================================================= */
/* */
/* ---- \ghd{ modify functions } ------------------------------------------- */
/* */
/* ========================================================================= */
/* ------------------------------------------------------------------------- */
/* ========================================================================= */
/* */
/* ---- \ghd{ I/O } -------------------------------------------------------- */
/* */
/* ========================================================================= */
/* ------------------------------------------------------------------------- */
uint32 bts_Mat_memSize( struct bbs_Context* cpA,
const struct bts_Mat* ptrA )
{
uint32 memSizeL = bbs_SIZEOF16( uint32 ) +
bbs_SIZEOF16( uint32 ); /* version */
memSizeL += bts_VectorMap_memSize( cpA, &ptrA->baseE );
memSizeL += bts_CompactMat_memSize( cpA, &ptrA->matE );
return memSizeL;
}
/* ------------------------------------------------------------------------- */
uint32 bts_Mat_memWrite( struct bbs_Context* cpA,
const struct bts_Mat* ptrA,
uint16* memPtrA )
{
uint32 memSizeL = bts_Mat_memSize( cpA, ptrA );
memPtrA += bbs_memWrite32( &memSizeL, memPtrA );
memPtrA += bbs_memWriteUInt32( bts_MAT_VERSION, memPtrA );
memPtrA += bts_VectorMap_memWrite( cpA, &ptrA->baseE, memPtrA );
memPtrA += bts_CompactMat_memWrite( cpA, &ptrA->matE, memPtrA );
return memSizeL;
}
/* ------------------------------------------------------------------------- */
uint32 bts_Mat_memRead( struct bbs_Context* cpA,
struct bts_Mat* ptrA,
const uint16* memPtrA,
struct bbs_MemTbl* mtpA )
{
uint32 memSizeL, versionL;
struct bbs_MemTbl memTblL = *mtpA;
struct bbs_MemSeg* espL = bbs_MemTbl_segPtr( cpA, &memTblL, 0 );
if( bbs_Context_error( cpA ) ) return 0;
memPtrA += bbs_memRead32( &memSizeL, memPtrA );
memPtrA += bbs_memReadVersion32( cpA, &versionL, bts_MAT_VERSION, memPtrA );
memPtrA += bts_VectorMap_memRead( cpA, &ptrA->baseE, memPtrA );
memPtrA += bts_CompactMat_memRead( cpA, &ptrA->matE, memPtrA, espL );
if( memSizeL != bts_Mat_memSize( cpA, ptrA ) )
{
bbs_ERR0( bbs_ERR_CORRUPT_DATA, "uint32 bts_Mat_memRead( struct bem_ScanGradientMove* ptrA, const uint16* memPtrA ):\n"
"size mismatch" );
return 0;
}
return memSizeL;
}
/* ------------------------------------------------------------------------- */
/* ========================================================================= */
/* */
/* ---- \ghd{ exec functions } --------------------------------------------- */
/* */
/* ========================================================================= */
/* ------------------------------------------------------------------------- */
void bts_Mat_map( struct bbs_Context* cpA,
const struct bts_VectorMap* ptrA,
const struct bts_Flt16Vec* inVecPtrA,
struct bts_Flt16Vec* outVecPtrA )
{
bbs_DEF_fNameL( "bts_Mat_map" )
const struct bts_Mat* ptrL = ( const struct bts_Mat* )ptrA;
if( inVecPtrA->arrE.sizeE != ptrL->matE.widthE )
{
bbs_ERROR1( "%s:\ninput vector has incorrect size", fNameL );
return;
}
if( outVecPtrA->arrE.allocatedSizeE < ptrL->matE.heightE )
{
bbs_ERROR1( "%s:\noutput vector is insufficiently allocated", fNameL );
return;
}
bts_Flt16Vec_size( cpA, outVecPtrA, ptrL->matE.heightE );
{
int16 expL = 0;
int32 outExpL = inVecPtrA->expE;
bts_CompactMat_map( cpA, &ptrL->matE, inVecPtrA->arrE.arrPtrE, outVecPtrA->arrE.arrPtrE, &expL );
outExpL += expL;
/* precision underflow */
if( outExpL < -32767 ) bts_Flt16Vec_setZero( cpA, outVecPtrA );
}
bts_Flt16Vec_maximizeMantisse( cpA, outVecPtrA );
}
/* ------------------------------------------------------------------------- */
/* ========================================================================= */