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cmProc2.h: Added _cmSpecDistBump() to cmSpecDist.

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This commit is contained in:
kevin 2013-05-24 13:53:08 -07:00
parent f95665db09
commit 07f6e563a2
1 changed files with 47 additions and 2 deletions
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49
cmProc2.c
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@ -3838,8 +3838,50 @@ cmReal_t _cmSpecDistCentMode( cmSpecDist_t* p, cmReal_t* X1m )
return spcUnit;
}
void _cmSpecDistFlipAbove( cmSpecDist_t* p, cmReal_t* X1m)
void _cmSpecDistBump( cmSpecDist_t* p, cmReal_t* x, unsigned binCnt, double thresh)
{
/*
thresh *= -1;
minDb = -100;
if db < minDb
db = minDb;
endif
if db > thresh
y = 1;
else
x = (minDb - db)/(minDb - thresh);
y = x + (x - (x.^coeff));
endif
y = minDb + abs(minDb) * y;
*/
unsigned i=0;
double minDb = -100.0;
thresh = -thresh;
for(i=0; i<binCnt; ++i)
{
double y;
if( x[i] < minDb )
x[i] = minDb;
if( x[i] > thresh )
y = 1;
else
{
y = (minDb - x[i])/(minDb - thresh);
y += y - pow(y,p->lwrSlope);
}
x[i] = minDb + (-minDb) * y;
}
}
@ -3915,7 +3957,10 @@ cmRC_t cmSpecDistExec( cmSpecDist_t* p, const cmSample_t* sp, unsigned sn )
break;
case 4:
_cmSpecDistFlipAbove(p,X1m);
_cmSpecDistBump(p,X1m, p->pva->binCnt, p->thresh);
break;
case 5:
break;
default: