Compute aggregate numerictype
aggNT = fixed.aggregateType(A,B)
aggNT = fixed.aggregateType(A,B) computes
the smallest binary point scaled numerictype that is able to represent
both the full range and precision of inputs A and B.
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An integer, binary point scaled fixed-point |
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An integer, binary point scaled fixed-point |
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A numerictype object. |
Compute the aggregate numerictype of two numerictype objects.
% can represent range [-4,4) and precision 2^-13
a_nt = numerictype(1,16,13);
% can represent range [-2,2) and precision 2^-16
b_nt = numerictype(1,18,16);
% can represent range [-4,4) and precision 2^-16
aggNT = fixed.aggregateType(a_nt,b_nt)
aggNT =
DataTypeMode: Fixed-point: binary point scaling
Signedness: Signed
WordLength: 19
FractionLength: 16Compute the aggregate numerictype of two fi objects.
% Unsigned, WordLength: 16, FractionLength: 14
a_fi = ufi(pi,16);
% Signed, WordLength: 24, FractionLength: 21
b_fi = sfi(-pi,24);
% Signed, WordLength: 24, FractionLength: 21
aggNT = fixed.aggregateType(a_fi,b_fi)
aggNT =
DataTypeMode: Fixed-point: binary point scaling
Signedness: Signed
WordLength: 24
FractionLength: 21Compute the aggregate numerictype of a fi object
and an integer.
% Unsigned, WordLength: 16, FractionLength: 14
% can represent range [0,3] and precision 2^-14
a_fi = ufi(pi,16);
% Unsigned, WordLength: 8, FractionLength: 0
% can represent range [0,255] and precision 2^0
cInt = uint8(0);
% Unsigned with WordLength: 14+8, FractionLength: 14
% can represent range [0,255] and precision 2^-14
aggNT = fixed.aggregateType(a_fi,cInt)
aggNT =
DataTypeMode: Fixed-point: binary point scaling
Signedness: Unsigned
WordLength: 22
FractionLength: 14