Somewhat related: https://dougallj.wordpress.com/2020/05/10/bitwise-conversion-of-doubles-using-only-floating-point-multiplication-and-addition/ https://dougall

Somewhat related: https://dougallj.wordpress.com/2020/05/10/bitwise-conversion-of-doubles-using-only-floating-point-multiplication-and-addition/ https://dougallj.wordpress.com/2020/05/10/bitwise-conversion... That implements conversion from an IEEE-754 double to a pair of two such doubles whose values are integers of the low and high 32 bits of the bitwise representation of the argument double, implemented only with double add/sub/mul.