GCC Middle and Back End API Reference
sreal.h File Reference
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Data Structures

struct  sreal

Macros

#define SREAL_PART_BITS   (HOST_BITS_PER_WIDE_INT / 2)
#define uhwi   unsigned HOST_WIDE_INT
#define MAX_HOST_WIDE_INT   (((uhwi) 1 << (HOST_BITS_PER_WIDE_INT - 1)) - 1)
#define SREAL_MIN_SIG   ((uhwi) 1 << (SREAL_PART_BITS - 1))
#define SREAL_MAX_SIG   (((uhwi) 1 << SREAL_PART_BITS) - 1)
#define SREAL_MAX_EXP   (INT_MAX / 4)
#define SREAL_BITS   (SREAL_PART_BITS * 2)

Typedefs

typedef struct sreal sreal

Functions

void dump_sreal (FILE *, sreal *)
void debug (sreal &ref)
void debug (sreal *ptr)
srealsreal_init (sreal *, unsigned HOST_WIDE_INT, signed int)
HOST_WIDE_INT sreal_to_int (sreal *)
int sreal_compare (sreal *, sreal *)
srealsreal_add (sreal *, sreal *, sreal *)
srealsreal_sub (sreal *, sreal *, sreal *)
srealsreal_mul (sreal *, sreal *, sreal *)
srealsreal_div (sreal *, sreal *, sreal *)

Macro Definition Documentation

#define MAX_HOST_WIDE_INT   (((uhwi) 1 << (HOST_BITS_PER_WIDE_INT - 1)) - 1)

Referenced by sreal_init().

#define SREAL_BITS   (SREAL_PART_BITS * 2)

Referenced by sreal_init().

#define SREAL_MAX_EXP   (INT_MAX / 4)

Referenced by normalize().

#define SREAL_MAX_SIG   (((uhwi) 1 << SREAL_PART_BITS) - 1)
#define SREAL_MIN_SIG   ((uhwi) 1 << (SREAL_PART_BITS - 1))
#define SREAL_PART_BITS   (HOST_BITS_PER_WIDE_INT / 2)

Definitions for simple data type for positive real numbers. Copyright (C) 2002-2013 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/. SREAL_PART_BITS has to be an even number.

Referenced by sreal_init().

#define uhwi   unsigned HOST_WIDE_INT

Typedef Documentation

typedef struct sreal sreal

Structure for holding a simple real number.


Function Documentation

void debug ( sreal ref)
void debug ( sreal ptr)
void dump_sreal ( FILE *  ,
sreal  
)
sreal* sreal_add ( sreal ,
sreal ,
sreal  
)
int sreal_compare ( sreal ,
sreal  
)
sreal* sreal_div ( sreal ,
sreal ,
sreal  
)
sreal* sreal_init ( sreal ,
unsigned  HOST_WIDE_INT,
signed  int 
)
sreal* sreal_mul ( sreal ,
sreal ,
sreal  
)
sreal* sreal_sub ( sreal ,
sreal ,
sreal  
)
HOST_WIDE_INT sreal_to_int ( sreal )