Fast Inverse Square Root in Delphi's Object Pascal

Does Delphi make you a better programmer? Is Object Pascal code more readable? There is an algorithm with a mystery constant that rose to fame in John Carmack’s Quake III Arena C code for quickly estimating the inverse square root of a 32-bit floating-point number. float Q_rsqrt( float number ) { long i; float x2, y; const float threehalfs = 1.5F; x2 = number * 0.5F; y =…
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