| 351 | // --------------------------------------------------------------------------- |
| 352 | |
| 353 | double TypedColumnBuffer::readAsDouble(std::size_t row) const { |
| 354 | switch (storageKindOf(descriptor_.logical_type)) { |
| 355 | case StorageKind::kFloat32: |
| 356 | return static_cast<double>(readFloat32(row)); |
| 357 | case StorageKind::kFloat64: |
| 358 | return readFloat64(row); |
| 359 | case StorageKind::kInt32: |
| 360 | return static_cast<double>(readInt32(row)); |
| 361 | case StorageKind::kInt64: |
| 362 | return static_cast<double>(readInt64(row)); |
| 363 | case StorageKind::kUint64: |
| 364 | return static_cast<double>(readUint64(row)); |
| 365 | case StorageKind::kBool: |
| 366 | return readBool(row) ? 1.0 : 0.0; |
| 367 | case StorageKind::kString: |
| 368 | return std::numeric_limits<double>::quiet_NaN(); |
| 369 | } |
| 370 | return std::numeric_limits<double>::quiet_NaN(); // unreachable |
| 371 | } |
| 372 | |
| 373 | } // namespace PJ |