kcalc/knumber/knumber_float.h

0001 /*
0002     SPDX-FileCopyrightText: 2001-2013 Evan Teran <evan.teran@gmail.com>
0003
0004     SPDX-License-Identifier: GPL-2.0-or-later
0005 */
0006
0007 #pragma once
0008
0009 #include "knumber_base.h"
0010 #include <config-kcalc.h>
0011
0012 class KNumber;
0013
0014 namespace detail
0015 {
0016 class knumber_float : public knumber_base
0017 {
0018     friend class ::KNumber;
0019     friend class knumber_error;
0020     friend class knumber_integer;
0021     friend class knumber_fraction;
0022
0023 private:
0024     static const mpfr_rnd_t rounding_mode;
0025     static const mpfr_prec_t precision;
0026
0027 public:
0028     explicit knumber_float(const QString &s);
0029     explicit knumber_float(double value);
0030 #ifdef HAVE_LONG_DOUBLE
0031     explicit knumber_float(long double value);
0032 #endif
0033
0034     explicit knumber_float(mpfr_t mpfr);
0035     ~knumber_float() override;
0036
0037 private:
0038     // conversion constructors
0039     explicit knumber_float(const knumber_integer *value);
0040     explicit knumber_float(const knumber_fraction *value);
0041     explicit knumber_float(const knumber_float *value);
0042     explicit knumber_float(const knumber_error *value);
0043
0044 public:
0045     QString toString(int precision) const override;
0046     quint64 toUint64() const override;
0047     qint64 toInt64() const override;
0048
0049 public:
0050     bool is_integer() const override;
0051     bool is_zero() const override;
0052     int sign() const override;
0053
0054 public:
0055     knumber_base *add(knumber_base *rhs) override;
0056     knumber_base *sub(knumber_base *rhs) override;
0057     knumber_base *mul(knumber_base *rhs) override;
0058     knumber_base *div(knumber_base *rhs) override;
0059     knumber_base *mod(knumber_base *rhs) override;
0060
0061 public:
0062     knumber_base *pow(knumber_base *rhs) override;
0063     knumber_base *neg() override;
0064     knumber_base *cmp() override;
0065     knumber_base *abs() override;
0066     knumber_base *sqrt() override;
0067     knumber_base *cbrt() override;
0068     knumber_base *factorial() override;
0069     knumber_base *reciprocal() override;
0070     knumber_base *tgamma() override;
0071
0072 public:
0073     knumber_base *log2() override;
0074     knumber_base *log10() override;
0075     knumber_base *ln() override;
0076     knumber_base *floor() override;
0077     knumber_base *ceil() override;
0078     knumber_base *exp2() override;
0079     knumber_base *exp10() override;
0080     knumber_base *exp() override;
0081     knumber_base *bin(knumber_base *rhs) override;
0082
0083 public:
0084     knumber_base *sin() override;
0085     knumber_base *cos() override;
0086     knumber_base *tan() override;
0087     knumber_base *asin() override;
0088     knumber_base *acos() override;
0089     knumber_base *atan() override;
0090     knumber_base *sinh() override;
0091     knumber_base *cosh() override;
0092     knumber_base *tanh() override;
0093     knumber_base *asinh() override;
0094     knumber_base *acosh() override;
0095     knumber_base *atanh() override;
0096
0097 public:
0098     int compare(knumber_base *rhs) override;
0099
0100 public:
0101     knumber_base *bitwise_and(knumber_base *rhs) override;
0102     knumber_base *bitwise_xor(knumber_base *rhs) override;
0103     knumber_base *bitwise_or(knumber_base *rhs) override;
0104     knumber_base *bitwise_shift(knumber_base *rhs) override;
0105
0106 public:
0107     knumber_base *clone() override;
0108
0109 private:
0110     knumber_base *ensureIsValid(mpfr_ptr mpfr);
0111
0112     template<int F(mpfr_ptr rop, mpfr_srcptr op)>
0113     knumber_base *execute_mpfr_func();
0114
0115     template<int F(mpfr_ptr rop, mpfr_srcptr op, mpfr_rnd_t rnd)>
0116     knumber_base *execute_mpfr_func();
0117
0118     template<int F(mpfr_ptr rop, mpfr_srcptr op1, mpfr_srcptr op2, mpfr_rnd_t rnd)>
0119     knumber_base *execute_mpfr_func(mpfr_srcptr op);
0120
0121     mpfr_ptr new_mpfr();
0122
0123 private:
0124     mpfr_t mpfr_;
0125 };
0126
0127 }
0128