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Allegro CL |
ANSI Common Lisp  12 Numbers 12.1 Number Concepts 12.1.4 Floating-point Computations
12.1.4.3 Rule of Float Underflow and OverflowAn error of type floating-point-overflow or floating-point-underflow should be signaled if a floating-point computation causes exponent overflow or underflow, respectively. |