On: Let the Type System do the Work

[fulafel]

Floating point has dramatic differences in semantics compared to exact numbers, not an invisible implementation detail at all.

[tormeh → fulafel]

Unless you're counting money or doing long-running simulations it's often more than good enough, especially Double.

[dllthomas → tormeh]

Or doing discrete math, though you wouldn't be with a continuous quantity like Kilograms.