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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#include "mathfunctionnode.h"
#include "floatresultnode.h"
#include <cmath>
namespace search {
namespace expression {
using namespace vespalib;
IMPLEMENT_EXPRESSIONNODE(MathFunctionNode, MultiArgFunctionNode);
Serializer & MathFunctionNode::onSerialize(Serializer & os) const
{
MultiArgFunctionNode::onSerialize(os);
uint8_t code(_function);
return os << code;
}
Deserializer & MathFunctionNode::onDeserialize(Deserializer & is)
{
MultiArgFunctionNode::onDeserialize(is);
uint8_t code(0);
is >> code;
_function = (Function)code;
return is;
}
void MathFunctionNode::onPrepareResult()
{
setResultType(std::unique_ptr<ResultNode>(new FloatResultNode()));
}
bool MathFunctionNode::onExecute() const
{
getArg(0).execute();
double result(0.0);
switch (_function) {
case EXP: result = std::exp(getArg(0).getResult()->getFloat()); break;
case POW: getArg(1).execute(); result = std::pow(getArg(0).getResult()->getFloat(), getArg(1).getResult()->getFloat()); break;
case LOG: result = std::log(getArg(0).getResult()->getFloat()); break;
case LOG1P: result = std::log1p(getArg(0).getResult()->getFloat()); break;
case LOG10: result = std::log10(getArg(0).getResult()->getFloat()); break;
case SIN: result = std::sin(getArg(0).getResult()->getFloat()); break;
case ASIN: result = std::asin(getArg(0).getResult()->getFloat()); break;
case COS: result = std::cos(getArg(0).getResult()->getFloat()); break;
case ACOS: result = std::acos(getArg(0).getResult()->getFloat()); break;
case TAN: result = std::tan(getArg(0).getResult()->getFloat()); break;
case ATAN: result = std::atan(getArg(0).getResult()->getFloat()); break;
case SQRT: result = std::sqrt(getArg(0).getResult()->getFloat()); break;
case SINH: result = std::sinh(getArg(0).getResult()->getFloat()); break;
case ASINH: result = std::asinh(getArg(0).getResult()->getFloat()); break;
case COSH: result = std::cosh(getArg(0).getResult()->getFloat()); break;
case ACOSH: result = std::acosh(getArg(0).getResult()->getFloat()); break;
case TANH: result = std::tanh(getArg(0).getResult()->getFloat()); break;
case ATANH: result = std::atanh(getArg(0).getResult()->getFloat()); break;
case CBRT: result = std::cbrt(getArg(0).getResult()->getFloat()); break;
case HYPOT: getArg(1).execute(); result = std::hypot(getArg(0).getResult()->getFloat(), getArg(1).getResult()->getFloat()); break;
case FLOOR: result = std::floor(getArg(0).getResult()->getFloat()); break;
}
static_cast<FloatResultNode &>(updateResult()).set(result);
return true;
}
}
}
// this function was added by ../../forcelink.sh
void forcelink_file_searchlib_expression_mathfunctionnode() {}
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