Validates / recomputes decoder flags
()
| 27 | |
| 28 | // Validates / recomputes decoder flags |
| 29 | func (qfd *quantizedFloatDecoder) validateFlags() { |
| 30 | // Check that we have some flags set |
| 31 | if qfd.Flags == 0 { |
| 32 | return |
| 33 | } |
| 34 | |
| 35 | // Discard zero flag when encoding min / max set to 0 |
| 36 | if (qfd.Low == 0.0 && (qfd.Flags&qff_rounddown) != 0) || (qfd.High == 0.0 && (qfd.Flags&qff_roundup) != 0) { |
| 37 | qfd.Flags &= ^qff_encode_zero |
| 38 | } |
| 39 | |
| 40 | // If min / max is zero when encoding zero, switch to round up / round down instead |
| 41 | if qfd.Low == 0.0 && (qfd.Flags&qff_encode_zero) != 0 { |
| 42 | qfd.Flags |= qff_rounddown |
| 43 | qfd.Flags &= ^qff_encode_zero |
| 44 | } |
| 45 | |
| 46 | if qfd.High == 0.0 && (qfd.Flags&qff_encode_zero) != 0 { |
| 47 | qfd.Flags |= qff_roundup |
| 48 | qfd.Flags &= ^qff_encode_zero |
| 49 | } |
| 50 | |
| 51 | // Check if the range spans zero |
| 52 | if qfd.Low > 0.0 || qfd.High < 0.0 { |
| 53 | qfd.Flags &= ^qff_encode_zero |
| 54 | } |
| 55 | |
| 56 | // If we are left with encode zero, only leave integer flag |
| 57 | if (qfd.Flags & qff_encode_integers) != 0 { |
| 58 | qfd.Flags &= ^(qff_roundup | qff_rounddown | qff_encode_zero) |
| 59 | } |
| 60 | |
| 61 | // Verify that we don;t have roundup / rounddown set |
| 62 | if qfd.Flags&(qff_rounddown|qff_roundup) == (qff_rounddown | qff_roundup) { |
| 63 | _panicf("Roundup / Rounddown are mutually exclusive") |
| 64 | } |
| 65 | } |
| 66 | |
| 67 | // Assign multipliers |
| 68 | func (qfd *quantizedFloatDecoder) assignMultipliers(steps uint32) { |
no test coverage detected