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Fungrim entry: a6776b

atan2 ⁣(0,x)={0,x0π,x<0\operatorname{atan2}\!\left(0, x\right) = \begin{cases} 0, & x \ge 0\\\pi, & x < 0\\ \end{cases}
Assumptions:xRx \in \mathbb{R}
\operatorname{atan2}\!\left(0, x\right) = \begin{cases} 0, & x \ge 0\\\pi, & x < 0\\ \end{cases}

x \in \mathbb{R}
Fungrim symbol Notation Short description
Atan2atan2 ⁣(y,x)\operatorname{atan2}\!\left(y, x\right) Two-argument inverse tangent
Piπ\pi The constant pi (3.14...)
RRR\mathbb{R} Real numbers
Source code for this entry:
    Formula(Equal(Atan2(0, x), Cases(Tuple(0, GreaterEqual(x, 0)), Tuple(Pi, Less(x, 0))))),
    Assumptions(Element(x, RR)))

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2021-03-15 19:12:00.328586 UTC