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LibJS: expose some more math functions

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This commit is contained in:
stelar7
2020-06-21 11:34:00 +02:00
committed by Andreas Kling
parent b97da17b90
commit 9e18005c64
7 changed files with 124 additions and 2 deletions
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55
Libraries/LibJS/Runtime/MathObject.cpp
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@@ -60,6 +60,11 @@ void MathObject::initialize(Interpreter& interpreter, GlobalObject& global_objec
define_native_function("expm1", expm1, 1, attr);
define_native_function("sign", sign, 1, attr);
define_native_function("clz32", clz32, 1, attr);
define_native_function("acosh", acosh, 1, attr);
define_native_function("asinh", asinh, 1, attr);
define_native_function("atanh", atanh, 1, attr);
define_native_function("log1p", log1p, 1, attr);
define_native_function("cbrt", cbrt, 1, attr);
define_property("E", Value(M_E), 0);
define_property("LN2", Value(M_LN2), 0);
@@ -223,7 +228,7 @@ JS_DEFINE_NATIVE_FUNCTION(MathObject::exp)
return {};
if (number.is_nan())
return js_nan();
return Value(::pow(M_E, number.as_double()));
return Value(::exp(number.as_double()));
}
JS_DEFINE_NATIVE_FUNCTION(MathObject::expm1)
@@ -233,7 +238,7 @@ JS_DEFINE_NATIVE_FUNCTION(MathObject::expm1)
return {};
if (number.is_nan())
return js_nan();
return Value(::pow(M_E, number.as_double()) - 1);
return Value(::expm1(number.as_double()));
}
JS_DEFINE_NATIVE_FUNCTION(MathObject::sign)
@@ -262,4 +267,50 @@ JS_DEFINE_NATIVE_FUNCTION(MathObject::clz32)
return Value(__builtin_clz((unsigned)number.as_double()));
}
JS_DEFINE_NATIVE_FUNCTION(MathObject::acosh)
{
auto number = interpreter.argument(0).to_number(interpreter);
if (interpreter.exception())
return {};
if (number.as_double() < 1)
return JS::js_nan();
return Value(::acosh(number.as_double()));
}
JS_DEFINE_NATIVE_FUNCTION(MathObject::asinh)
{
auto number = interpreter.argument(0).to_number(interpreter);
if (interpreter.exception())
return {};
return Value(::asinh(number.as_double()));
}
JS_DEFINE_NATIVE_FUNCTION(MathObject::atanh)
{
auto number = interpreter.argument(0).to_number(interpreter);
if (interpreter.exception())
return {};
if (number.as_double() > 1 || number.as_double() < -1)
return JS::js_nan();
return Value(::atanh(number.as_double()));
}
JS_DEFINE_NATIVE_FUNCTION(MathObject::log1p)
{
auto number = interpreter.argument(0).to_number(interpreter);
if (interpreter.exception())
return {};
if (number.as_double() < -1)
return JS::js_nan();
return Value(::log1p(number.as_double()));
}
JS_DEFINE_NATIVE_FUNCTION(MathObject::cbrt)
{
auto number = interpreter.argument(0).to_number(interpreter);
if (interpreter.exception())
return {};
return Value(::cbrt(number.as_double()));
}
}