diff options
Diffstat (limited to 'chapters/type_conversion.adoc')
| -rw-r--r-- | chapters/type_conversion.adoc | 19 |
1 files changed, 16 insertions, 3 deletions
diff --git a/chapters/type_conversion.adoc b/chapters/type_conversion.adoc index 7d0682a..c19d834 100644 --- a/chapters/type_conversion.adoc +++ b/chapters/type_conversion.adoc @@ -96,8 +96,17 @@ Rescale quantized values into a new domain. This function scales by factor: mult [source,c++] ---- for_each(index in shape) { - ERROR_IF(in_t != int8_t && in_t != uint8_t && input_zp != 0); - ERROR_IF(out_t != int8_t && out_t != uint8_t && output_zp != 0); + // uint16 values can have zero_point 0 or 32768 + // int8/uint8 can have zero point within their valid range + // No other types can have zero point != 0 + ERROR_IF(in_t != int8_t && + in_t != uint8_t && + in_t != uint16_t && input_zp != 0); + ERROR_IF(out_t != int8_t && + out_t != uint8_t && + out_t != uint16_t && output_zp != 0); + ERROR_IF(in_t == uint16_t && (input_zp != 0 || input_zp != 32768)); + ERROR_IF(out_t == uint16_t && (output_zp != 0 || output_zp != 32768)); ERROR_IF(scale32 && in_t == int48_t); ERROR_IF(!scale32 && double_round); int48_t value = tensor_read<in_t>(input, shape, index); @@ -119,9 +128,12 @@ for_each(index in shape) { |Any|signed 8 to signed 8|int8_t|int8_t |Any|signed 8 to signed 16|int8_t|int16_t |Any|signed 8 to signed 32|int8_t|int32_t +|Any|signed 8 to unsigned 8|int8_t|uint8_t |Any|signed 16 to signed 8|int16_t|int8_t |Any|signed 16 to signed 16|int16_t|int16_t |Any|signed 16 to signed 32|int16_t|int32_t +|Any|signed 16 to unsigned 8|int16_t|uint8_t +|Any|signed 16 to unsigned 16|int16_t|uint16_t |Any|signed 32 to signed 8|int32_t|int8_t |Any|signed 32 to signed 16|int32_t|int16_t |Any|signed 32 to signed 32|int32_t|int32_t @@ -129,5 +141,6 @@ for_each(index in shape) { |Any|signed 48 to signed 16|int48_t|int16_t |Any|signed 48 to signed 32|int48_t|int32_t |Any|unsigned 8 to signed 8|uint8_t|int8_t -|Any|signed 8 to unsigned 8|int8_t|uint8_t +|Any|unsigned 8 to signed 16|uint8_t|int16_t +|Any|unsigned 16 to signed 16|uint16_t|int16_t |=== |