How to pass the 8-bit binary input number ai(0...7) through an input decimal α with VHDL?
It provides an idea. Decimal can be regarded as an integer multiplied by 8-bit data, such as 0.2345 *123 = 2345 *123/10000. This is definitely achievable. Even if a divider is used later, it will consume more resources and take a long time.