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Enum std.numeric.CustomFloatFlags
Format flags for CustomFloat.
The enum base type is
int
Enum members
| Name | Description |
|---|---|
allowDenorm
|
Stores the significand in IEEE754 denormalized form when the exponent is 0. Required to express the value 0. |
allowDenormZeroOnly
|
If set, 0 is the only allowed IEEE754 denormalized number.
Requires allowDenorm and storeNormalized.
|
ieee
|
Include all of the IEEE754 options. |
infinity
|
Allows the storage of IEEE754 infinity values. |
nan
|
Allows the storage of IEEE754 Not a Number values. |
negativeUnsigned
|
If set, unsigned custom floats are assumed to be negative. |
none
|
Include none of the above options.
|
probability
|
If set, select an exponent bias such that max_exp = 1. i.e. so that the maximum value is >= 1.0 and < 2.0. Ignored if the exponent bias is manually specified. |
signed
|
Adds a sign bit to allow for signed numbers.
|
storeNormalized
|
Store values in normalized form by default. The actual precision of the
significand is extended by 1 bit by assuming an implicit leading bit of 1
instead of 0. i.e. 1.nnnn instead of 0.nnnn.
True for all IEE754 types
|
Authors
Andrei Alexandrescu, Don Clugston, Robert Jacques