atand

koadrobot/math/atand

Calculates arc tanjant in degree.
atand
@/atand
Calculates arc tanjant in degree.
INnumber
Input value in range [-1.0, 1.0]
atand
IN
DEG
DEGnumber
Result angle in degrees.
To use the node in your project you should have the koadrobot/math library installed. Use the “File → Add Library” menu item in XOD IDE if you don’t have it yet. See Using libraries for more info.

C++ implementation

#pragma XOD dirtieness disable

struct State {
};

{{ GENERATED_CODE }}

void evaluate(Context ctx)
{
    Number x = getValue<input_IN>(ctx);
    if (isinf(x))
        emitValue<output_DEG>(ctx, sqrt(-1.0));  // NaN _ nanf
        // raiseError<output_OUT>(ctx);
    else
    emitValue<output_DEG>(ctx, atan(x) * 57.295779513);
}

Tabular tests

INDEG
00
0.57735030~
-0.577350-30~
0.01745501~
-0.0174550-1~
57.28996189~
-57.289961-89~
145~
-1-45~
InfNaN
-InfNaN
NaNNaN