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[trunk] add test_tile_encoder test and function related

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This commit is contained in:
Mickael Savinaud
2012-03-23 17:47:53 +00:00
parent b9d271c1a8
commit 855b5b513d
9 changed files with 721 additions and 1 deletions
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22
libopenjpeg/mct.c
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@@ -309,3 +309,25 @@ opj_bool mct_decode_custom(
opj_free(lCurrentData);
return OPJ_TRUE;
}
void opj_calculate_norms( OPJ_FLOAT64 * pNorms,
OPJ_UINT32 pNbComps,
OPJ_FLOAT32 * pMatrix)
{
OPJ_UINT32 i,j,lIndex;
OPJ_FLOAT32 lCurrentValue;
OPJ_FLOAT64 * lNorms = (OPJ_FLOAT64 *) pNorms;
OPJ_FLOAT32 * lMatrix = (OPJ_FLOAT32 *) pMatrix;
for (i=0;i<pNbComps;++i) {
lNorms[i] = 0;
lIndex = i;
for (j=0;j<pNbComps;++j) {
lCurrentValue = lMatrix[lIndex];
lIndex += pNbComps;
lNorms[i] += lCurrentValue * lCurrentValue;
}
lNorms[i] = sqrt(lNorms[i]);
}
}