Return a boolean indicating if the sign bit for a double-precision floating-point number is on (true) or off (false).
Python
1
0
Apache License 2.0
The **@stdlib/number-float64-base-signbit** package provides a tiny utility that determines whether the sign bit of a double‑precision (IEEE‑754) floating‑point number is set, returning `true` for negative (including ‑0) and `false` for positive values. It is intended for developers doing low‑level numeric or scientific computing in JavaScript/Node.js (and C) who need a reliable, cross‑environment way to inspect a number’s sign.
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Return an unsigned 32-bit integer corresponding to the more significant 32 bits of a double-precision floating-point number.
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