Determine whether real-world values of two
c = eq(a,b)
a == b
c = eq(a,b) is called for the syntax
== b when
have the same dimensions unless one is a scalar. A scalar can be compared
with another object of any size.
a == b does an element-by-element comparison
b and returns
a matrix of the same size with elements set to
the relation is true, and
0 where the relation
In relational operations comparing a floating-point value to
a fixed-point value, the floating-point value is cast to the same
word length and signedness as the
fi object, with
Compare Two fi Objects
isequal function to determine if two
fi objects have the same real-world value.
a = fi(pi); b = fi(pi, 1, 32); a == b
ans = logical 0
a has a 16-bit word length, while input
b has a 32-bit word length. The
eq function returns
0 because the two
fi objects do not have the same real-world value.
Compare a Double to a fi Object
When comparing a double to a
fi object, the double is cast to the same word length and signedness of the
a = fi(pi); b = pi; a == b
ans = logical 1
eq function casts
b to the same word length as
a, and returns
1. This behavior allows relational operations to work between
fi objects and floating-point constants without introducing floating-point values in generated code.
C/C++ Code Generation
Generate C and C++ code using MATLAB® Coder™.
Usage notes and limitations:
Fixed-point signals with different biases are not supported.