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DOC: float dtype changed from (0, 1) to (-1, 1).

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The dtype range was changed long ago, but this doc had not been updated to match this behavior.
This commit is contained in:
Tony S Yu
2012-09-10 00:27:30 -04:00
parent c3b5cd1023
commit 2c55732fba
1 changed files with 2 additions and 2 deletions
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doc/source/user_guide/data_types.txt
+2 -2
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@@ -14,13 +14,13 @@ Data type Range
uint8 0 to 255
uint16 0 to 65535
uint32 0 to 2\ :sup:`32`
float 0 to 1
float -1 to 1
int8 -128 to 127
int16 -32768 to 32767
int32 -2\ :sup:`31` to 2\ :sup:`31` - 1
========= =================================
Note that float images are restricted to the range 0 to 1 even though the data
Note that float images are restricted to the range -1 to 1 even though the data
type itself can exceed this range; all integer dtypes, on the other hand, have
pixel intensities that can span the entire data type range. Currently, *64-bit
(u)int images are not supported*.