mirror of https://gitlab.com/rnger/amath
902 lines
20 KiB
C++
902 lines
20 KiB
C++
/*-
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* Copyright (c) 2014-2018 Carsten Sonne Larsen <cs@innolan.net>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* Project homepage:
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* https://amath.innolan.net
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*
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*/
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#include "mathr.h"
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#include "amath.h"
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#include "numb.h"
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#include "real.h"
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#include "cplex.h"
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#include "nnumb.h"
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RealNumber::RealNumber() : Number(nsysreal)
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{
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x = 0;
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}
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RealNumber::RealNumber(double x) : Number(nsysreal)
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{
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this->x = x;
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}
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RealNumber::RealNumber(double x, bool round) : Number(nsysreal)
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{
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if ((round && ((x > 0 && x < 1e-15) || (x < 0 && x > -1e-15))))
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{
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this->x = 0.0;
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}
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else if (round && x > 1e+16)
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{
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FloatUnion64 d;
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d.integer = INFP;
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this->x = d.floatingPoint;
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}
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else if (round && x < -1e+16)
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{
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FloatUnion64 d;
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d.integer = INFN;
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this->x = d.floatingPoint;
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}
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else
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{
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this->x = x;
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}
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}
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RealNumber::RealNumber(signed int i) : Number(nsysreal)
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{
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x = i * 1.0;
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}
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RealNumber::RealNumber(unsigned int i) : Number(nsysreal)
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{
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x = i * 1.0;
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}
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RealNumber::~RealNumber()
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{
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}
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Number *RealNumber::Clone()
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{
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return new RealNumber(x);
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}
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int RealNumber::GetIntegerValue()
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{
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return static_cast<int>(x);
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}
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double RealNumber::GetRealValue()
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{
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return x;
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}
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void RealNumber::SetRealValue(double value)
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{
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x = value;
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}
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bool RealNumber::PureComplexValue()
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{
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return false;
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}
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int RealNumber::GetPrecedence()
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{
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return (x < 0.0) ? -1 : 0;
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}
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int RealNumber::GetDefaultPrecedence()
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{
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return 0;
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}
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bool RealNumber::IsNegative()
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{
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FloatUnion64 d;
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d.floatingPoint = x;
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return d.IsNegative();
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}
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/**
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* @brief Returns true if number is zero
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*/
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bool RealNumber::IsZero()
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{
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FloatUnion64 d;
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d.floatingPoint = x;
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return d.IsZero();
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}
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/**
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* @brief Returns true if number is NaN
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*/
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bool RealNumber::IsNaN()
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{
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FloatUnion64 d;
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d.floatingPoint = x;
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return d.IsNaN();
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}
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/**
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* @brief Returns true if number is infinite
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*/
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bool RealNumber::IsInfinite()
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{
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// Handle subnormal values
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if ((x > 0 && x <= 1e-308) || (x < 0 && x >= -1e-308))
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{
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return true;
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}
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FloatUnion64 d;
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d.floatingPoint = x;
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return d.IsInf() || d.IsMaxPositive() || d.IsMaxNegative();
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}
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/**
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* @brief Always returns false for real numbers
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*/
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bool RealNumber::IsNotImplemented()
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{
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return false;
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}
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/**
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* @brief Change sign of real number
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*/
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Number *RealNumber::Unary()
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{
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return new RealNumber(-x);
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}
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/**
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* @brief Addition of two real numbers
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*/
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Number *RealNumber::Add(Number *other)
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{
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if (other->IsNaN())
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return new NonNumber(nnnan);
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if (other->system == nsysreal)
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{
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RealNumber *a = static_cast<RealNumber *>(other);
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return new RealNumber(x + a->x);
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}
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return other->Add(this);
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}
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/**
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* @brief Subtraction of two real numbers
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*/
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Number *RealNumber::Sub(Number *other)
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{
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if (other->IsNaN())
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return new NonNumber(nnnan);
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if (other->system == nsysreal)
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{
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RealNumber *a = static_cast<RealNumber *>(other);
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return new RealNumber(x - a->x);
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}
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Number *y = other->Unary();
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Number *q = y->Add(this);
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delete y;
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return q;
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}
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/**
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* @brief Multiplication of two real numbers
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*/
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Number *RealNumber::Mul(Number *other)
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{
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if (other->IsNaN())
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return new NonNumber(nnnan);
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if (other->system == nsysreal)
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{
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RealNumber *a = static_cast<RealNumber *>(other);
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return new RealNumber(x * a->x);
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}
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return other->Mul(this);
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}
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/**
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* @brief Division of two real numbers
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*/
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Number *RealNumber::Div(Number *other)
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{
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if (other->IsZero() || other->IsNaN())
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return new NonNumber(nnnan);
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if (other->system == nsysreal)
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{
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RealNumber *a = static_cast<RealNumber *>(other);
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return new RealNumber(x / a->x);
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}
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Number *y = other->Reciprocal();
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Number *q = Mul(y);
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delete y;
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return q;
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}
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/**
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* @brief Exponentiation function for real numbers
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* @details See implementation in pow(double, double)
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*/
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Number *RealNumber::Raise(Number *exponent)
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{
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if (exponent->IsNaN())
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return new NonNumber(nnnan);
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if (exponent->system == nsysreal)
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return new RealNumber(pow(x, static_cast<RealNumber *>(exponent)->x));
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ComplexNumber *y = new ComplexNumber(x, 0.0);
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Number *q = y->Raise(exponent);
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delete y;
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return q;
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}
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/**
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* @brief Mathematical sign function for real numbers
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* @details See implementation in sgn(double)
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*/
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Number *RealNumber::Signum()
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{
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return new RealNumber(sgn(x));
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}
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/**
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* @brief Mathematical trunc function for real numbers
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* @details See implementation in trunc(double)
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*/
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Number *RealNumber::Trunc()
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{
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return new RealNumber(trunc(x));
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}
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/**
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* @brief Mathematical round function for real numbers
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* @details See implementation in round(double)
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*/
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Number *RealNumber::Round()
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{
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return new RealNumber(round(x));
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}
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/**
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* @brief Mathematical floor function for real numbers
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* @details See implementation in floor(double)
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*/
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Number *RealNumber::Floor()
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{
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return new RealNumber(floor(x));
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}
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/**
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* @brief Mathematical ceiling function for real numbers
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* @details See implementation in ceil(double)
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*/
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Number *RealNumber::Ceiling()
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{
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return new RealNumber(ceil(x));
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}
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/**
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* @brief Absolute value of number for real numbers
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* @details See implementation in fabs(double)
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*/
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Number *RealNumber::Absolute()
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{
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return new RealNumber(fabs(x));
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}
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/**
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* @brief Square root function for real numbers
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* @details See implementation of square root in sqrt(double)
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*/
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Number *RealNumber::SquareRoot()
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{
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if (x > 0.0)
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return new RealNumber(sqrt(x));
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Number *n = new ComplexNumber(x, 0);
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Number *r = n->SquareRoot();
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delete n;
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return r;
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}
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/**
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* @brief Cube root function for real numbers
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* @details See implementation of cube root in cbrt(double)
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*/
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Number *RealNumber::CubeRoot()
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{
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if (x >= 0.0)
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return new RealNumber(cbrt(x));
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Number *n = new ComplexNumber(x, 0);
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Number *r = n->CubeRoot();
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delete n;
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return r;
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}
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/**
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* @brief Reciprocal function for real numbers
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*/
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Number *RealNumber::Reciprocal()
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{
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if (x != 0.0)
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return new RealNumber(1.0 / x);
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return new NonNumber(nnnan);
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}
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/**
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* @brief Factorial function for real numbers
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*/
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Number *RealNumber::Factorial()
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{
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return new NonNumber(nnnimp);
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}
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/**
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* @brief Binary logarithm function (base 2) for real numbers
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* @details See implementation of natural logarithm in log(double)
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*/
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Number *RealNumber::Log2()
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{
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static const double log2value = 0.69314718055994530942;
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if (x == 0.0)
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return new NonNumber(nnnan);
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if (x > 0.0)
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return new RealNumber(log(x) / log2value);
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Number *n = new ComplexNumber(x, 0);
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Number *r = n->Log2();
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delete n;
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return r;
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}
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/**
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* @brief Natural logarithm function (base e) for real numbers
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* @details See implementation of natural logarithm in log(double)
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*/
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Number *RealNumber::Log()
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{
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if (x == 0.0)
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return new NonNumber(nnnan);
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if (x > 0.0)
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return new RealNumber(log(x));
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Number *n = new ComplexNumber(x, 0);
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Number *r = n->Log();
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delete n;
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return r;
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}
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/**
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* @brief Base 10 logarithm function for real numbers
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* @details See implementation of base 10 logarithm in log10(double)
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*/
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Number *RealNumber::Log10()
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{
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if (x == 0.0)
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return new NonNumber(nnnan);
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if (x > 0.0)
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return new RealNumber(log10(x));
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Number *n = new ComplexNumber(x, 0);
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Number *r = n->Log10();
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delete n;
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return r;
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}
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/**
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* @brief Trigonometric sine function for real numbers
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* @details See implementation of sine function in sin(double)
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*/
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Number *RealNumber::Sine()
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{
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return new RealNumber(sin(x), true);
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}
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/**
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* @brief Trigonometric cosine function for real numbers
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* @details See implementation of cosine function in cos(double)
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*/
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Number *RealNumber::Cosine()
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{
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return new RealNumber(cos(x), true);
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}
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/**
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* @brief Trigonometric tangent function for real numbers
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* @details See implementation of tangent function in tan(double)
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*/
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Number *RealNumber::Tangent()
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{
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return new RealNumber(tan(x), true);
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}
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/**
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* @brief Trigonometric secant function for real numbers
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* @details See implementation of secant function in sec(double)
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*/
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Number *RealNumber::Secant()
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{
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double a = sec(x);
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return a != NAN
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? (Number *)new RealNumber(a, true)
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: (Number *)new NonNumber(nnnan);
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}
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/**
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* @brief Trigonometric cosecant function for real numbers
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* @details See implementation of cosecant function in csc(double)
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*/
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Number *RealNumber::Cosecant()
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{
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double a = csc(x);
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return a != NAN
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? (Number *)new RealNumber(a, true)
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: (Number *)new NonNumber(nnnan);
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}
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/**
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* @brief Trigonometric cotangent function for real numbers
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* @details See implementation of cotangent function in cot(double)
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*/
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Number *RealNumber::Cotangent()
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{
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double a = cot(x);
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return a != NAN
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? (Number *)new RealNumber(a, true)
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: (Number *)new NonNumber(nnnan);
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}
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/**
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* @brief Trigonometric chord function for real numbers
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* @details See implementation of chord function in crd(double)
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*/
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Number *RealNumber::Chord()
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{
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return new RealNumber(crd(x), true);
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}
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/**
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* @brief Trigonometric exsecant function for real numbers
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* @details See implementation of exsecant function in exs(double)
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*/
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Number *RealNumber::ExSecant()
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{
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return new RealNumber(exs(x), true);
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}
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/**
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* @brief Trigonometric excosecant function for real numbers
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* @details See implementation of excosecant function in exc(double)
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*/
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Number *RealNumber::ExCosecant()
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{
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return new RealNumber(exc(x), true);
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}
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/**
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* @brief Inverse trigonometric sine function for real numbers
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* @details See implementation of inverse trigonometric sine in asin(double)
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*/
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Number *RealNumber::ArcSine()
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{
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return new RealNumber(asin(x), true);
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}
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/**
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* @brief Inverse trigonometric cosine function for real numbers
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* @details See implementation of inverse trigonometric cosine in acos(double)
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*/
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Number *RealNumber::ArcCosine()
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{
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return new RealNumber(acos(x), true);
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}
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/**
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* @brief Inverse trigonometric tangent function for real numbers
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* @details See implementation of inverse trigonometric tangent in atan(double)
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*/
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Number *RealNumber::ArcTangent()
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{
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return new RealNumber(atan(x), true);
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}
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/**
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* @brief Inverse trigonometric secant function for real numbers
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* @details See implementation of inverse trigonometric secant in asec(double)
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*/
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Number *RealNumber::ArcSecant()
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{
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double a = asec(x);
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return a != NAN
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? (Number *)new RealNumber(a, true)
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: (Number *)new NonNumber(nnnan);
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}
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/**
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* @brief Inverse trigonometric cosecant function for real numbers
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* @details See implementation of inverse trigonometric cosecant in acsc(double)
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*/
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Number *RealNumber::ArcCosecant()
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{
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double a = acsc(x);
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return a != NAN
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? (Number *)new RealNumber(a, true)
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: (Number *)new NonNumber(nnnan);
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}
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/**
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* @brief Inverse trigonometric cotangent function for real numbers
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* @details See implementation of inverse trigonometric cotangent in acot(double)
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*/
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Number *RealNumber::ArcCotangent()
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{
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double a = acot(x);
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return a != NAN
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? (Number *)new RealNumber(a, true)
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: (Number *)new NonNumber(nnnan);
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}
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/**
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* @brief Inverse trigonometric chord function for real numbers
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* @details See implementation of Inverse chord function in acrd(double)
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*/
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Number *RealNumber::ArcChord()
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{
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return new RealNumber(acrd(x), true);
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}
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/**
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* @brief Inverse trigonometric exsecant function for real numbers
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* @details See implementation of Inverse exsecant function in aexs(double)
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*/
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Number *RealNumber::ArcExSecant()
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{
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return new RealNumber(aexs(x), true);
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}
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/**
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* @brief Inverse trigonometric excosecant function for real numbers
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* @details See implementation of Inverse excosecant function in aexc(double)
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*/
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Number *RealNumber::ArcExCosecant()
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{
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return new RealNumber(aexc(x), true);
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}
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/**
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* @brief Hyperbolic sine function for real numbers
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* @details See implementation of hyperbolic sine function in sinh(double)
|
|
*/
|
|
Number *RealNumber::HypSine()
|
|
{
|
|
return new RealNumber(sinh(x), true);
|
|
}
|
|
|
|
/**
|
|
* @brief Hyperbolic cosine function for real numbers
|
|
* @details See implementation of hyperbolic cosine function in cosh(double)
|
|
*/
|
|
Number *RealNumber::HypCosine()
|
|
{
|
|
return new RealNumber(cosh(x), true);
|
|
}
|
|
|
|
/**
|
|
* @brief Hyperbolic tangent function for real numbers
|
|
* @details See implementation of hyperbolic tangent function in tanh(double)
|
|
*/
|
|
Number *RealNumber::HypTangent()
|
|
{
|
|
return new RealNumber(tanh(x), true);
|
|
}
|
|
|
|
/**
|
|
* @brief Hyperbolic secant function for real numbers
|
|
* @details See implementation of hyperbolic secant function in sech(double)
|
|
*/
|
|
Number *RealNumber::HypSecant()
|
|
{
|
|
double a = sech(x);
|
|
return a != NAN
|
|
? (Number *)new RealNumber(a, true)
|
|
: (Number *)new NonNumber(nnnan);
|
|
}
|
|
|
|
/**
|
|
* @brief Hyperbolic cosecant function for real numbers
|
|
* @details See implementation of hyperbolic sine function in csch(double)
|
|
*/
|
|
Number *RealNumber::HypCosecant()
|
|
{
|
|
double a = csch(x);
|
|
return a != NAN
|
|
? (Number *)new RealNumber(a, true)
|
|
: (Number *)new NonNumber(nnnan);
|
|
}
|
|
|
|
/**
|
|
* @brief Hyperbolic cotangent function for real numbers
|
|
* @details See implementation of hyperbolic tangent function in coth(double)
|
|
*/
|
|
Number *RealNumber::HypCotangent()
|
|
{
|
|
double a = coth(x);
|
|
return a != NAN
|
|
? (Number *)new RealNumber(a, true)
|
|
: (Number *)new NonNumber(nnnan);
|
|
}
|
|
|
|
/**
|
|
* @brief Inverse hyperbolic sine function for real numbers
|
|
* @details See implementation of inverse hyperbolic sine in asinh(double)
|
|
*/
|
|
Number *RealNumber::HypArcSine()
|
|
{
|
|
return new RealNumber(asinh(x), true);
|
|
}
|
|
|
|
/**
|
|
* @brief Inverse hyperbolic cosine function for real numbers
|
|
* @details See implementation of inverse hyperbolic cosine in acosh(double)
|
|
*/
|
|
Number *RealNumber::HypArcCosine()
|
|
{
|
|
return new RealNumber(acosh(x), true);
|
|
}
|
|
|
|
/**
|
|
* @brief Inverse hyperbolic tangent function for real numbers
|
|
* @details See implementation of hyperbolic tangent in atanh(double)
|
|
*/
|
|
Number *RealNumber::HypArcTangent()
|
|
{
|
|
return new RealNumber(atanh(x), true);
|
|
}
|
|
|
|
/**
|
|
* @brief Inverse hyperbolic secant function for real numbers
|
|
* @details See implementation of inverse hyperbolic secant in asech(double)
|
|
*/
|
|
Number *RealNumber::HypArcSecant()
|
|
{
|
|
double a = asech(x);
|
|
return a != NAN
|
|
? (Number *)new RealNumber(a, true)
|
|
: (Number *)new NonNumber(nnnan);
|
|
}
|
|
|
|
/**
|
|
* @brief Inverse hyperbolic cosecant function for real numbers
|
|
* @details See implementation of inverse hyperbolic cosecant in acsch(double)
|
|
*/
|
|
Number *RealNumber::HypArcCosecant()
|
|
{
|
|
double a = acsch(x);
|
|
return a != NAN
|
|
? (Number *)new RealNumber(a, true)
|
|
: (Number *)new NonNumber(nnnan);
|
|
}
|
|
|
|
/**
|
|
* @brief Inverse hyperbolic cotangent function for real numbers
|
|
* @details See implementation of hyperbolic cotangent in acoth(double)
|
|
*/
|
|
Number *RealNumber::HypArcCotangent()
|
|
{
|
|
double a = acoth(x);
|
|
return a != NAN
|
|
? (Number *)new RealNumber(a, true)
|
|
: (Number *)new NonNumber(nnnan);
|
|
}
|
|
|
|
/**
|
|
* @brief Versed sine function for real numbers
|
|
* @details See implementation of versed sine in ver(double)
|
|
*/
|
|
Number *RealNumber::VerSine()
|
|
{
|
|
return new RealNumber(ver(x), true);
|
|
}
|
|
|
|
/**
|
|
* @brief Versed cosine function for real numbers
|
|
* @details See implementation of versed cosine in vcs(double)
|
|
*/
|
|
Number *RealNumber::VerCosine()
|
|
{
|
|
return new RealNumber(vcs(x), true);
|
|
}
|
|
|
|
/**
|
|
* @brief Coversed sine function for real numbers
|
|
* @details See implementation of coversed sine in cvs(double)
|
|
*/
|
|
Number *RealNumber::CoVerSine()
|
|
{
|
|
return new RealNumber(cvs(x), true);
|
|
}
|
|
|
|
/**
|
|
* @brief Coversed cosine function for real numbers
|
|
* @details See implementation of coversed cosine in cvc(double)
|
|
*/
|
|
Number *RealNumber::CoVerCosine()
|
|
{
|
|
return new RealNumber(cvc(x), true);
|
|
}
|
|
|
|
/**
|
|
* @brief Haversed sine function for real numbers
|
|
* @details See implementation of haversed sine in hv(double)
|
|
*/
|
|
Number *RealNumber::HaVerSine()
|
|
{
|
|
return new RealNumber(hv(x), true);
|
|
}
|
|
|
|
/**
|
|
* @brief Haversed cosine function for real numbers
|
|
* @details See implementation of haversed cosine in hvc(double)
|
|
*/
|
|
Number *RealNumber::HaVerCosine()
|
|
{
|
|
return new RealNumber(hvc(x), true);
|
|
}
|
|
|
|
/**
|
|
* @brief Hacoversed sine function for real numbers
|
|
* @details See implementation of hacoversed cosine in hcv(double)
|
|
*/
|
|
Number *RealNumber::HaCoVerSine()
|
|
{
|
|
return new RealNumber(hcv(x), true);
|
|
}
|
|
|
|
/**
|
|
* @brief Hacoversed cosine function for real numbers
|
|
* @details See implementation of hacoversed cosine in hcc(double)
|
|
*/
|
|
Number *RealNumber::HaCoVerCosine()
|
|
{
|
|
return new RealNumber(hcc(x), true);
|
|
}
|
|
|
|
/**
|
|
* @brief Inverse versed sine function for real numbers
|
|
* @details See implementation of inverse versed sine in aver(double)
|
|
*/
|
|
Number *RealNumber::ArcVerSine()
|
|
{
|
|
double a = aver(x);
|
|
return a != NAN
|
|
? (Number *)new RealNumber(a, true)
|
|
: (Number *)new NonNumber(nnnan);
|
|
}
|
|
|
|
/**
|
|
* @brief Inverse versed cosine function for real numbers
|
|
* @details See implementation of inverse versed cosine sine in avcs(double)
|
|
*/
|
|
Number *RealNumber::ArcVerCosine()
|
|
{
|
|
double a = avcs(x);
|
|
return a != NAN
|
|
? (Number *)new RealNumber(a, true)
|
|
: (Number *)new NonNumber(nnnan);
|
|
}
|
|
|
|
/**
|
|
* @brief Inverse coversed sine function for real numbers
|
|
* @details See implementation of inverse coversed sine in acvs(double)
|
|
*/
|
|
Number *RealNumber::ArcCoVerSine()
|
|
{
|
|
double a = acvs(x);
|
|
return a != NAN
|
|
? (Number *)new RealNumber(a, true)
|
|
: (Number *)new NonNumber(nnnan);
|
|
}
|
|
|
|
/**
|
|
* @brief Inverse coversed cosine function for real numbers
|
|
* @details See implementation of inverse coversed cosine in acvc(double)
|
|
*/
|
|
Number *RealNumber::ArcCoVerCosine()
|
|
{
|
|
double a = acvc(x);
|
|
return a != NAN
|
|
? (Number *)new RealNumber(a, true)
|
|
: (Number *)new NonNumber(nnnan);
|
|
}
|
|
|
|
/**
|
|
* @brief Inverse haversed sine function for real numbers
|
|
* @details See implementation of inverse haversed sine in ahv(double)
|
|
*/
|
|
Number *RealNumber::ArcHaVerSine()
|
|
{
|
|
double a = ahv(x);
|
|
return a != NAN
|
|
? (Number *)new RealNumber(a, true)
|
|
: (Number *)new NonNumber(nnnan);
|
|
}
|
|
|
|
/**
|
|
* @brief Inverse haversed cosine function for real numbers
|
|
* @details See implementation of inverse haversed cosine in ahvc(double)
|
|
*/
|
|
Number *RealNumber::ArcHaVerCosine()
|
|
{
|
|
double a = ahvc(x);
|
|
return a != NAN
|
|
? (Number *)new RealNumber(a, true)
|
|
: (Number *)new NonNumber(nnnan);
|
|
}
|
|
|
|
/**
|
|
* @brief Inverse hacoversed sine function for real numbers
|
|
* @details See implementation of inverse hacoversed sine in ahcv(double)
|
|
*/
|
|
Number *RealNumber::ArcHaCoVerSine()
|
|
{
|
|
double a = ahcv(x);
|
|
return a != NAN
|
|
? (Number *)new RealNumber(a, true)
|
|
: (Number *)new NonNumber(nnnan);
|
|
}
|
|
|
|
/**
|
|
* @brief Inverse hacoversed cosine function for real numbers
|
|
* @details See implementation of inverse hacoversed cosine in ahcc(double)
|
|
*/
|
|
Number *RealNumber::ArcHaCoVerCosine()
|
|
{
|
|
double a = ahcc(x);
|
|
return a != NAN
|
|
? (Number *)new RealNumber(a, true)
|
|
: (Number *)new NonNumber(nnnan);
|
|
}
|