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LibJS: Add almost all Math functions
This commit is contained in:
Egor Ananyin
Andreas Kling
parent
a35693915e
commit
7c9c3a10d3
Notes:
sideshowbarker
2024-07-19 00:29:50 +09:00
Author: https://github.com/Cleverking2003 🔰 Commit: https://github.com/SerenityOS/serenity/commit/7c9c3a10d3d Pull-request: https://github.com/SerenityOS/serenity/pull/4599 Reviewed-by: https://github.com/linusg
3 changed files with 167 additions and 5 deletions
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@ -69,6 +69,7 @@ namespace JS {
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P(asin) \
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P(asinh) \
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P(atan) \
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P(atan2) \
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P(atanh) \
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P(bind) \
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P(byteLength) \
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@ -85,6 +86,7 @@ namespace JS {
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P(construct) \
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P(constructor) \
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P(cos) \
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P(cosh) \
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P(count) \
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P(countReset) \
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P(debug) \
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@ -110,6 +112,7 @@ namespace JS {
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P(forEach) \
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P(from) \
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P(fromCharCode) \
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P(fround) \
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P(gc) \
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P(get) \
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P(getDate) \
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@ -137,7 +140,9 @@ namespace JS {
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P(groups) \
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P(has) \
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P(hasOwnProperty) \
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P(hypot) \
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P(ignoreCase) \
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P(imul) \
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P(includes) \
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P(index) \
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P(indexOf) \
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@ -160,6 +165,8 @@ namespace JS {
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P(length) \
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P(log) \
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P(log1p) \
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P(log2) \
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P(log10) \
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P(map) \
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P(max) \
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P(message) \
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@ -193,6 +200,7 @@ namespace JS {
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P(shift) \
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P(sign) \
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P(sin) \
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P(sinh) \
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P(slice) \
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P(some) \
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P(sort) \
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@ -205,6 +213,7 @@ namespace JS {
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P(substr) \
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P(substring) \
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P(tan) \
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P(tanh) \
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P(test) \
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P(toDateString) \
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P(toISOString) \
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@ -68,12 +68,21 @@ void MathObject::initialize(GlobalObject& global_object)
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define_native_function(vm.names.atanh, atanh, 1, attr);
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define_native_function(vm.names.log1p, log1p, 1, attr);
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define_native_function(vm.names.cbrt, cbrt, 1, attr);
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define_native_function(vm.names.atan2, atan2, 2, attr);
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define_native_function(vm.names.fround, fround, 1, attr);
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define_native_function(vm.names.hypot, hypot, 2, attr);
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define_native_function(vm.names.log, log, 1, attr);
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define_native_function(vm.names.log2, log2, 1, attr);
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define_native_function(vm.names.log10, log10, 1, attr);
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define_native_function(vm.names.sinh, sinh, 1, attr);
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define_native_function(vm.names.cosh, cosh, 1, attr);
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define_native_function(vm.names.tanh, tanh, 1, attr);
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define_property(vm.names.E, Value(M_E), 0);
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define_property(vm.names.LN2, Value(M_LN2), 0);
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define_property(vm.names.LN10, Value(M_LN10), 0);
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define_property(vm.names.LOG2E, Value(log2(M_E)), 0);
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define_property(vm.names.LOG10E, Value(log10(M_E)), 0);
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define_property(vm.names.LOG2E, Value(::log2(M_E)), 0);
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define_property(vm.names.LOG10E, Value(::log10(M_E)), 0);
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define_property(vm.names.PI, Value(M_PI), 0);
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define_property(vm.names.SQRT1_2, Value(M_SQRT1_2), 0);
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define_property(vm.names.SQRT2, Value(M_SQRT2), 0);
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@ -293,7 +302,7 @@ JS_DEFINE_NATIVE_FUNCTION(MathObject::acosh)
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if (vm.exception())
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return {};
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if (number.as_double() < 1)
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return JS::js_nan();
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return js_nan();
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return Value(::acosh(number.as_double()));
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}
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@ -335,7 +344,7 @@ JS_DEFINE_NATIVE_FUNCTION(MathObject::atanh)
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if (vm.exception())
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return {};
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if (number.as_double() > 1 || number.as_double() < -1)
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return JS::js_nan();
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return js_nan();
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return Value(::atanh(number.as_double()));
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}
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@ -345,7 +354,7 @@ JS_DEFINE_NATIVE_FUNCTION(MathObject::log1p)
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if (vm.exception())
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return {};
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if (number.as_double() < -1)
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return JS::js_nan();
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return js_nan();
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return Value(::log1p(number.as_double()));
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}
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@ -357,4 +366,139 @@ JS_DEFINE_NATIVE_FUNCTION(MathObject::cbrt)
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return Value(::cbrt(number.as_double()));
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}
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JS_DEFINE_NATIVE_FUNCTION(MathObject::atan2)
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{
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auto y = vm.argument(0).to_number(global_object), x = vm.argument(1).to_number(global_object);
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auto pi_4 = M_PI_2 / 2;
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auto three_pi_4 = pi_4 + M_PI_2;
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if (vm.exception())
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return {};
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if (x.is_positive_zero()) {
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if (y.is_positive_zero() || y.is_negative_zero())
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return y;
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else
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return (y.as_double() > 0) ? Value(M_PI_2) : Value(-M_PI_2);
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}
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if (x.is_negative_zero()) {
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if (y.is_positive_zero())
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return Value(M_PI);
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else if (y.is_negative_zero())
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return Value(-M_PI);
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else
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return (y.as_double() > 0) ? Value(M_PI_2) : Value(-M_PI_2);
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}
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if (x.is_positive_infinity()) {
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if (y.is_infinity())
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return (y.is_positive_infinity()) ? Value(pi_4) : Value(-pi_4);
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else
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return (y.as_double() > 0) ? Value(+0.0) : Value(-0.0);
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}
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if (x.is_negative_infinity()) {
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if (y.is_infinity())
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return (y.is_positive_infinity()) ? Value(three_pi_4) : Value(-three_pi_4);
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else
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return (y.as_double() > 0) ? Value(M_PI) : Value(-M_PI);
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}
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if (y.is_infinity())
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return (y.is_positive_infinity()) ? Value(M_PI_2) : Value(-M_PI_2);
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if (y.is_positive_zero())
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return (x.as_double() > 0) ? Value(+0.0) : Value(M_PI);
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if (y.is_negative_zero())
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return (x.as_double() > 0) ? Value(-0.0) : Value(-M_PI);
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return Value(::atan2(y.as_double(), x.as_double()));
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}
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JS_DEFINE_NATIVE_FUNCTION(MathObject::fround)
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{
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auto number = vm.argument(0).to_number(global_object);
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if (vm.exception())
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return {};
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if (number.is_nan())
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return js_nan();
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return Value((float)number.as_double());
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}
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JS_DEFINE_NATIVE_FUNCTION(MathObject::hypot)
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{
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if (!vm.argument_count())
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return Value(0);
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auto hypot = vm.argument(0).to_number(global_object);
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if (vm.exception())
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return {};
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hypot = Value(hypot.as_double() * hypot.as_double());
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for (size_t i = 1; i < vm.argument_count(); ++i) {
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auto cur = vm.argument(i).to_number(global_object);
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if (vm.exception())
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return {};
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hypot = Value(hypot.as_double() + cur.as_double() * cur.as_double());
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}
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return Value(::sqrt(hypot.as_double()));
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}
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JS_DEFINE_NATIVE_FUNCTION(MathObject::log)
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{
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auto number = vm.argument(0).to_number(global_object);
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if (vm.exception())
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return {};
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if (number.as_double() < 0)
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return js_nan();
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return Value(::log(number.as_double()));
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}
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JS_DEFINE_NATIVE_FUNCTION(MathObject::log2)
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{
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auto number = vm.argument(0).to_number(global_object);
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if (vm.exception())
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return {};
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if (number.as_double() < 0)
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return js_nan();
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return Value(::log2(number.as_double()));
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}
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JS_DEFINE_NATIVE_FUNCTION(MathObject::log10)
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{
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auto number = vm.argument(0).to_number(global_object);
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if (vm.exception())
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return {};
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if (number.as_double() < 0)
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return js_nan();
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return Value(::log10(number.as_double()));
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}
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JS_DEFINE_NATIVE_FUNCTION(MathObject::sinh)
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{
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auto number = vm.argument(0).to_number(global_object);
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if (vm.exception())
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return {};
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if (number.is_nan())
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return js_nan();
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return Value(::sinh(number.as_double()));
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}
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JS_DEFINE_NATIVE_FUNCTION(MathObject::cosh)
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{
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auto number = vm.argument(0).to_number(global_object);
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if (vm.exception())
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return {};
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if (number.is_nan())
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return js_nan();
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return Value(::cosh(number.as_double()));
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}
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JS_DEFINE_NATIVE_FUNCTION(MathObject::tanh)
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{
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auto number = vm.argument(0).to_number(global_object);
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if (vm.exception())
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return {};
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if (number.is_nan())
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return js_nan();
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if (number.is_positive_infinity())
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return Value(1);
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if (number.is_negative_infinity())
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return Value(-1);
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return Value(::tanh(number.as_double()));
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}
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}
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@ -64,6 +64,15 @@ private:
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JS_DECLARE_NATIVE_FUNCTION(atanh);
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JS_DECLARE_NATIVE_FUNCTION(log1p);
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JS_DECLARE_NATIVE_FUNCTION(cbrt);
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JS_DECLARE_NATIVE_FUNCTION(atan2);
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JS_DECLARE_NATIVE_FUNCTION(fround);
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JS_DECLARE_NATIVE_FUNCTION(hypot);
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JS_DECLARE_NATIVE_FUNCTION(log);
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JS_DECLARE_NATIVE_FUNCTION(log2);
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JS_DECLARE_NATIVE_FUNCTION(log10);
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JS_DECLARE_NATIVE_FUNCTION(sinh);
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JS_DECLARE_NATIVE_FUNCTION(cosh);
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JS_DECLARE_NATIVE_FUNCTION(tanh);
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};
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}
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