Subnormal number
In computer science, subnormal numbers are the subset of denormalized numbers (sometimes called denormals) that fill the underflow gap around zero in floating-point arithmetic. Any non-zero number with magnitude smaller than the smallest positive normal number is subnormal, while denormal can also refer to numbers outside that range.
| Floating-point formats |
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| IEEE 754 |
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| Other |
| Alternatives |
This page describes subnormal numbers in general. For the details of IEEE subnormal and denormal numbers, see the IEEE section below.
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