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LibJS: Add Math.{cos,sin,tan}()

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Linus Groh 2020-04-05 21:21:33 +01:00 • committed by Andreas Kling
parent 04a36b247b
commit f5dacfbb5b
5 changed files with 79 additions and 0 deletions
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27
Libraries/LibJS/Runtime/MathObject.cpp
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@ -43,6 +43,9 @@ MathObject::MathObject()
put_native_function("max", max, 2);
put_native_function("min", min, 2);
put_native_function("trunc", trunc, 1);
put_native_function("sin", sin, 1);
put_native_function("cos", cos, 1);
put_native_function("tan", tan, 1);
put("E", Value(M_E));
put("LN2", Value(M_LN2));
@ -152,4 +155,28 @@ Value MathObject::trunc(Interpreter& interpreter)
return MathObject::floor(interpreter);
}
Value MathObject::sin(Interpreter& interpreter)
{
auto number = interpreter.argument(0).to_number();
if (number.is_nan())
return js_nan();
return Value(::sin(number.as_double()));
}
Value MathObject::cos(Interpreter& interpreter)
{
auto number = interpreter.argument(0).to_number();
if (number.is_nan())
return js_nan();
return Value(::cos(number.as_double()));
}
Value MathObject::tan(Interpreter& interpreter)
{
auto number = interpreter.argument(0).to_number();
if (number.is_nan())
return js_nan();
return Value(::tan(number.as_double()));
}
}