diff options
Diffstat (limited to 'Libraries/LibJS/Runtime/MathObject.cpp')
| -rw-r--r-- | Libraries/LibJS/Runtime/MathObject.cpp | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/Libraries/LibJS/Runtime/MathObject.cpp b/Libraries/LibJS/Runtime/MathObject.cpp index d8945a4793..e4f6072a58 100644 --- a/Libraries/LibJS/Runtime/MathObject.cpp +++ b/Libraries/LibJS/Runtime/MathObject.cpp @@ -50,6 +50,7 @@ MathObject::MathObject() put_native_function("cos", cos, 1, attr); put_native_function("tan", tan, 1, attr); put_native_function("pow", pow, 2, attr); + put_native_function("exp", exp, 1, attr); put_native_function("sign", sign, 1, attr); put("E", Value(M_E), 0); @@ -204,7 +205,17 @@ Value MathObject::tan(Interpreter& interpreter) Value MathObject::pow(Interpreter& interpreter) { - return exp(interpreter, interpreter.argument(0), interpreter.argument(1)); + return JS::exp(interpreter, interpreter.argument(0), interpreter.argument(1)); +} + +Value MathObject::exp(Interpreter& interpreter) +{ + auto number = interpreter.argument(0).to_number(interpreter); + if (interpreter.exception()) + return {}; + if (number.is_nan()) + return js_nan(); + return Value(::pow(M_E, number.as_double())); } Value MathObject::sign(Interpreter& interpreter) |