Returns the floating point number represented by the four bytes at
the specified byteOffset in this object, in IEEE 754
single-precision binary floating-point format (binary32).
Throws RangeError if byteOffset is negative, or
byteOffset + 4 is greater than the length of this object.
Source
double getFloat32(int byteOffset,
[Endianness endian = Endianness.BIG_ENDIAN]);