static PointProcess TextGrid_getStartingPoints_multiNumeric (TextGrid me, uint16_t number) {
try {
autoPointProcess thee = NULL;
int numberOfBits = my numberOfTiers();
for (int ibit = 0; ibit < numberOfBits; ibit ++) {
(void) TextGrid_checkSpecifiedTierIsIntervalTier (me, ibit + 1);
if (number & (1 << ibit)) {
autoPointProcess bitEvents = TextGrid_getStartingPoints (me, ibit + 1, kMelder_string_EQUAL_TO, L"1");
if (thee.peek()) {
autoPointProcess intersection = PointProcesses_intersection (thee.peek(), bitEvents.peek());
thee.reset (intersection.transfer());
} else {
thee.reset (bitEvents.transfer());
}
}
}
for (int ibit = 0; ibit < numberOfBits; ibit ++) {
autoPointProcess bitEvents = TextGrid_getStartingPoints (me, ibit + 1, kMelder_string_EQUAL_TO, L"1");
if (! (number & (1 << ibit))) {
if (thee.peek()) {
autoPointProcess difference = PointProcesses_difference (thee.peek(), bitEvents.peek());
thee.reset (difference.transfer());
} else {
thee.reset (PointProcess_create (my xmin, my xmax, 10));
}
}
}
return thee.transfer();
} catch (MelderError) {
Melder_throw (me, ": starting points not converted to PointProcess.");
}
}
static autoPointProcess TextGrid_getStartingPoints_multiNumeric (TextGrid me, uint16_t number) {
try {
autoPointProcess thee;
int numberOfBits = my tiers->size;
for (int ibit = 0; ibit < numberOfBits; ibit ++) {
(void) TextGrid_checkSpecifiedTierIsIntervalTier (me, ibit + 1);
if (number & (1 << ibit)) {
autoPointProcess bitEvents = TextGrid_getStartingPoints (me, ibit + 1, kMelder_string_EQUAL_TO, U"1");
if (thee) {
thee = PointProcesses_intersection (thee.get(), bitEvents.get());
} else {
thee = bitEvents.move();
}
}
}
for (int ibit = 0; ibit < numberOfBits; ibit ++) {
autoPointProcess bitEvents = TextGrid_getStartingPoints (me, ibit + 1, kMelder_string_EQUAL_TO, U"1");
if (! (number & (1 << ibit))) {
if (thee) {
thee = PointProcesses_difference (thee.get(), bitEvents.get());
} else {
thee = PointProcess_create (my xmin, my xmax, 10);
}
}
}
return thee;
} catch (MelderError) {
Melder_throw (me, U": starting points not converted to PointProcess.");
}
}