[Numpy-discussion] What does -0.0 means?

[Arnaldo Russo]

Hi all,

After fitting a curve, the output returns the initial value as *-0.0*. Why
not a simple 0.0?
What is this difference?
Sorry for the stupid question, but why exist a negative zero?

Cheers,
Arnaldo.
---
Arnaldo D'Amaral Pereira Granja Russo
Instituto Ambiental Boto Flipper
institutobotoflipper .org
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