void FoxPro::setDouble(size_t record, size_t field, double value) {
assert((record < _records.size()) && (field < _fields.size()));
Record &r = _records[record];
Field &f = _fields[field];
char *data = (char *) r.fields[field];
if (f.type == kTypeNumber) {
if (f.decimals != 0)
snprintf(data, f.size, "%*d", f.size, (int32) value);
else
snprintf(data, f.size, "%*.*f", f.size, f.decimals, value);
} else if (f.type == kTypeFloat) {
if (f.size != 4)
throw Exception("Float field size != 4 (%d)", f.size);
WRITE_LE_UINT32(data, convertIEEEFloat((float) value));
} else if (f.type == kTypeDouble) {
if (f.size != 8)
throw Exception("Double field size != 8 (%d)", f.size);
WRITE_LE_UINT64(data, convertIEEEDouble(value));
} else
throw Exception("Field is not of double type ('%c')", f.type);
updateUpdate();
}
double GFF3Struct::getDouble(const Common::UString &field, double def) const {
const Field *f = getField(field);
if (!f)
return def;
if (f->type == kFieldTypeFloat)
return convertIEEEFloat(f->data);
if (f->type == kFieldTypeDouble)
return getData(*f).readIEEEDoubleLE();
throw Common::Exception("GFF3: Field is not a double type");
}
double FoxPro::getDouble(const Record &record, size_t field) const {
assert(field < _fields.size());
const Field &f = _fields[field];
char n[32];
double d = 0.0;
if (f.type == kTypeNumber) {
if (f.size > 31)
throw Exception("Numerical field size > 31 (%d)", f.size);
strncpy(n, (const char *) record.fields[field], f.size);
n[f.size] = '\0';
if (std::sscanf(n, "%lf", &d) != 1)
d = 0.0;
} else if (f.type == kTypeFloat) {
if (f.size != 4)
throw Exception("Float field size != 4 (%d)", f.size);
d = convertIEEEFloat(READ_LE_UINT32(record.fields[field]));
} else if (f.type == kTypeDouble) {
if (f.size != 8)
throw Exception("Double field size != 8 (%d)", f.size);
d = convertIEEEDouble(READ_LE_UINT64(record.fields[field]));
} else
throw Exception("Field is not of double type ('%c')", f.type);
return d;
}