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LibJS: Add Math.floor()

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This commit is contained in:
Andreas Kling 2020-04-05 00:26:56 +02:00
parent 3c99c27db4
commit afff228308
2 changed files with 13 additions and 0 deletions
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12
Libraries/LibJS/Runtime/MathObject.cpp
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@ -37,6 +37,7 @@ MathObject::MathObject()
put_native_function("abs", abs, 1);
put_native_function("random", random);
put_native_function("sqrt", sqrt, 1);
put_native_function("floor", floor, 1);
put("E", Value(M_E));
put("LN2", Value(M_LN2));
@ -84,4 +85,15 @@ Value MathObject::sqrt(Interpreter& interpreter)
return Value(::sqrt(number.as_double()));
}
Value MathObject::floor(Interpreter& interpreter)
{
if (!interpreter.argument_count())
return js_nan();
auto number = interpreter.argument(0).to_number();
if (number.is_nan())
return js_nan();
return Value(::floor(number.as_double()));
}
}