sreal.h File Reference

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Data Structures
class	sreal

Macros
#define	SREAL_PART_BITS   31
#define	UINT64_BITS   64
#define	SREAL_MIN_SIG   ((int64_t) 1 << (SREAL_PART_BITS - 2))
#define	SREAL_MAX_SIG   (((int64_t) 1 << (SREAL_PART_BITS - 1)) - 1)
#define	SREAL_MAX_EXP   (INT_MAX / 4)
#define	SREAL_BITS   SREAL_PART_BITS
#define	SREAL_SIGN(v)   (v < 0 ? -1: 1)
#define	SREAL_ABS(v)   (v < 0 ? -v: v)

Functions
void	debug (const sreal &ref)
void	debug (const sreal *ptr)
sreal &	operator+= (sreal &a, const sreal &b)
sreal &	operator-= (sreal &a, const sreal &b)
sreal &	operator/= (sreal &a, const sreal &b)
sreal &	operator*= (sreal &a, const sreal &b)
bool	operator!= (const sreal &a, const sreal &b)
bool	operator> (const sreal &a, const sreal &b)
bool	operator<= (const sreal &a, const sreal &b)
bool	operator>= (const sreal &a, const sreal &b)
sreal	operator<< (const sreal &a, int exp)
sreal	operator>> (const sreal &a, int exp)

Macro Definition Documentation

SREAL_ABS

#define SREAL_ABS

(

v

)

(v < 0 ? -v: v)

Referenced by sreal::operator/(), sreal::to_int(), and sreal::to_nearest_int().

SREAL_BITS

#define SREAL_BITS   SREAL_PART_BITS

Referenced by sreal::operator+(), sreal::operator-(), sreal::shift_right(), sreal::to_int(), and sreal::to_nearest_int().

SREAL_MAX_EXP

#define SREAL_MAX_EXP   (INT_MAX / 4)

Referenced by edge_badness(), sreal::max(), sreal::min(), sreal::normalize(), sreal::normalize_down(), sreal::normalize_up(), sreal::operator*(), sreal::shift(), and sreal::shift_right().

SREAL_MAX_SIG

#define SREAL_MAX_SIG   (((int64_t) 1 << (SREAL_PART_BITS - 1)) - 1)

Referenced by sreal::max(), sreal::min(), sreal::normalize(), and sreal::normalize_down().

SREAL_MIN_SIG

#define SREAL_MIN_SIG   ((int64_t) 1 << (SREAL_PART_BITS - 2))

Referenced by edge_badness(), sreal::normalize(), sreal::normalize_down(), sreal::normalize_up(), and sreal::operator*().

SREAL_PART_BITS

#define SREAL_PART_BITS   31

Definitions for simple data type for real numbers.
   Copyright (C) 2002-2024 Free Software Foundation, Inc.

This file is part of GCC.

GCC is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free
Software Foundation; either version 3, or (at your option) any later
version.

GCC is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
for more details.

You should have received a copy of the GNU General Public License
along with GCC; see the file COPYING3.  If not see
<http://www.gnu.org/licenses/>.   

Referenced by sreal::normalize_down(), sreal::normalize_up(), sreal::operator/(), sreal::to_int(), and sreal::to_nearest_int().

SREAL_SIGN

#define SREAL_SIGN

(

v

)

(v < 0 ? -1: 1)

Referenced by sreal::normalize_down(), sreal::normalize_up(), sreal::operator/(), sreal::to_int(), and sreal::to_nearest_int().

UINT64_BITS

#define UINT64_BITS   64

Function Documentation

debug() [1/2]

void debug ( const sreal & ref )

extern

References sreal::dump(), and ggc_alloc().

debug() [2/2]

void debug ( const sreal * ptr )

extern

References debug, and ggc_alloc().

operator!=()

bool operator!= ( const sreal & a, const sreal & b )

inline

References a, and b.

operator*=()

sreal & operator*= ( sreal & a, const sreal & b )

inline

References a, and b.

operator+=()

sreal & operator+= ( sreal & a, const sreal & b )

inline

References a, and b.

operator-=()

sreal & operator-= ( sreal & a, const sreal & b )

inline

References a, and b.

operator/=()

sreal & operator/= ( sreal & a, const sreal & b )

inline

References a, and b.

operator<<()

sreal operator<< ( const sreal & a, int exp )

inline

References a, exp(), and sreal::shift().

operator<=()

bool operator<= ( const sreal & a, const sreal & b )

inline

References a, and b.

operator>()

bool operator> ( const sreal & a, const sreal & b )

inline

References a, and b.

operator>=()

bool operator>= ( const sreal & a, const sreal & b )

inline

References a, and b.

operator>>()

sreal operator>> ( const sreal & a, int exp )

inline

References a, exp(), and sreal::shift().