PTErr_t
makeInverseXformMono ( ResponseRecord_p grayTRC,
fut_p theFut)
{
PTErr_t PTErr = KCP_FAILURE;
fut_otbldat_p otblDat;
ResponseRecord_t rrt;
KpInt32_t futReturn;
fut_calcData_t data;
double gamma;
KpUInt16_t rrpData[2] = { 0, RRECORD_DATA_SIZE -1 };
/* compute new grid table entries */
data.chan = 0;
if (!fut_calc_gtblEx (theFut->chan[0]->gtbl, fut_grampEx, &data)) {
goto ErrOut0;
}
/* compute new output table entries */
if (!fut_calc_otblEx (theFut->chan[0]->otbl, otblFunc, NULL)) {
goto ErrOut0;
}
/* get address of the first output table */
futReturn = fut_get_otbl (theFut, 0, &otblDat);
if ((futReturn != 1) || (otblDat == (fut_otbldat_p)NULL)) {
goto ErrOut0;
}
/* setup the output table */
switch (grayTRC->count) {
case 0:
/* setup the responseRecord struct */
rrt.count = 2;
rrt.data = rrpData;
/* make the output table */
PTErr = calcOtblLN (otblDat, &rrt);
break;
case 1:
gamma = (double)grayTRC->data[0] / SCALEDOT8;
if (gamma <= 0.0) {
goto ErrOut0;
}
/* make the output table */
PTErr = calcOtblL1 (otblDat, gamma);
break;
default:
/* make the output table */
makeInverseMonotonic (grayTRC->count, grayTRC->data);
PTErr = calcOtblLN (otblDat, grayTRC);
}
GetOut:
return (PTErr);
ErrOut0:
PTErr = KCP_SYSERR_0;
goto GetOut;
}
PTErr_t
makeForwardXformMono ( ResponseRecord_p grayTRC,
fut_p theFut)
{
PTErr_t PTErr = KCP_FAILURE;
KpInt32_t futReturn, i1;
fut_otbldat_p otblDat;
double gamma;
fut_calcData_t calcData;
KpUInt16_t rrpData[2] = { 0, RRECORD_DATA_SIZE -1 };
ResponseRecord_t rrt;
KpUInt16_t *pCurveData = NULL;
/* compute new table entries */
calcData.chan = 0; /* always uses 1st input chan */
for (i1 = 0; i1 < FWD_MONO_OCHANS; i1++) {
if (( ! IS_CHAN(theFut->chan[i1])) ||
!fut_calc_gtblEx (theFut->chan[i1]->gtbl, fut_grampEx, &calcData) ||
!fut_calc_otblEx (theFut->chan[i1]->otbl, otblFunc, NULL)) {
goto ErrOut0;
}
}
/* get address of the first output table */
futReturn = fut_get_otbl (theFut, 0, &otblDat);
if ((futReturn != 1) || (otblDat == (fut_otbldat_p)NULL)) {
goto ErrOut0;
}
if (PARA_TYPE_SIG == grayTRC->TagSig)
{
pCurveData = (KpUInt16_p) allocBufferPtr (MFV_CURVE_TBL_ENT); /* get memory for curve data */
if (NULL == pCurveData) {
return KCP_NO_MEMORY;
}
makeCurveFromPara (grayTRC->ParaFunction, grayTRC->ParaParams, pCurveData, MFV_CURVE_TBL_ENT);
grayTRC->CurveCount = MFV_CURVE_TBL_ENT;
grayTRC->CurveData = pCurveData;
}
/* setup the output table */
switch (grayTRC->CurveCount)
{
case 0:
/* setup the responseRecord struct */
rrt.CurveCount = 2;
rrt.CurveData = rrpData;
/* make the output table */
PTErr = calcOtblLSN (otblDat, &rrt);
break;
case 1:
gamma = (double)grayTRC->CurveData[0] / SCALEDOT8;
if (gamma <= 0.0) {
goto ErrOut0;
}
/* make the output table */
PTErr = calcOtblLS1 (otblDat, gamma);
break;
default:
/* make the output table */
makeMonotonic (grayTRC->CurveCount, grayTRC->CurveData);
PTErr = calcOtblLSN (otblDat, grayTRC);
}
GetOut:
if (NULL != pCurveData) {
freeBufferPtr (pCurveData);
}
return PTErr;
ErrOut0:
PTErr = KCP_SYSERR_0;
goto GetOut;
}
