acosd
koadrobot/math/acosd
Calculates arc cosine of degree.
acosd
@/acosd
Calculates arc cosine of degree.
INnumber
Input value in range [-1.0, 1.0]
DEGnumber
Result angle in degrees.
C++ implementation
#pragma XOD dirtieness disable
struct State {
};
{{ GENERATED_CODE }}
void evaluate(Context ctx)
{
Number x = getValue<input_IN>(ctx);
if (x<-1.0 || x>1.0)
emitValue<output_DEG>(ctx, sqrt(-1.0)); // NaN _ nanf
// raiseError<output_OUT>(ctx);
emitValue<output_DEG>(ctx, acos(x) * 57.295779513);
}Tabular tests
| IN | DEG |
| 1 | 0 |
| 0.5 | 60~ |
| -0.5 | 120~ |
| -1 | 180~ |
| 0 | 90~ |
| NaN | NaN |
| Inf | NaN |
| -Inf | NaN |
| 0.999847 | 1~ |
| -0.999847 | 179~ |
| 1.1 | NaN |
| -1.1 | NaN |