* eina: Cleanup Eina fixed point implementation.

SVN revision: 42798
This commit is contained in:
Cedric BAIL 2009-09-29 12:04:50 +00:00
parent 5022bcf21b
commit 7a51d7bf39
12 changed files with 471 additions and 403 deletions

View File

@ -155,9 +155,7 @@ extern "C" {
#include "eina_config.h"
#include "eina_types.h"
#include "eina_main.h"
#include "eina_f16p16.h"
#include "eina_f8p24.h"
#include "eina_f32p32.h"
#include "eina_fp.h"
#include "eina_rectangle.h"
#include "eina_inlist.h"
#include "eina_file.h"

View File

@ -4,9 +4,11 @@ EINAHEADERS = \
eina_safety_checks.h \
eina_error.h \
eina_log.h \
eina_f16p16.h \
eina_f8p24.h \
eina_f32p32.h \
eina_fp.h \
eina_inline_f32p32.x \
eina_inline_f16p16.x \
eina_inline_f8p24.x \
eina_inline_fp.x \
eina_hash.h \
eina_inline_hash.x \
eina_lalloc.h \

View File

@ -22,7 +22,7 @@
#include "eina_types.h"
#include "eina_error.h"
#include "eina_f32p32.h"
#include "eina_fp.h"
/**
* @addtogroup Eina_Tools_Group Tools

View File

@ -1,129 +0,0 @@
/* EINA - EFL data type library
* Copyright (C) 2007-2008 Jorge Luis Zapata Muga
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library;
* if not, see <http://www.gnu.org/licenses/>.
*/
#ifndef EINA_F16P16_H_
#define EINA_F16P16_H_
#ifdef _MSC_VER
# include <Evil.h>
#else
# include <stdint.h>
#endif
/**
* To be documented
* FIXME: To be fixed
*/
typedef int32_t Eina_F16p16;
/**
* To be documented
* FIXME: To be fixed
*/
static inline Eina_F16p16 eina_f16p16_int_from(int32_t v)
{
return v << 16;
}
/**
* To be documented
* FIXME: To be fixed
*/
static inline int32_t eina_f16p16_int_to(Eina_F16p16 v)
{
return v >> 16;
}
/**
* To be documented
* FIXME: To be fixed
*/
static inline Eina_F16p16 eina_f16p16_float_from(float v)
{
Eina_F16p16 r;
r = (Eina_F16p16)(v * 65536.0f + (v < 0 ? -0.5f : 0.5f));
return r;
}
/**
* To be documented
* FIXME: To be fixed
*/
static inline float eina_f16p16_float_to(Eina_F16p16 v)
{
float r;
r = v / 65536.0f;
return r;
}
/**
* To be documented
* FIXME: To be fixed
*/
static inline Eina_F16p16 eina_f16p16_add(Eina_F16p16 a, Eina_F16p16 b)
{
return a + b;
}
/**
* To be documented
* FIXME: To be fixed
*/
static inline Eina_F16p16 eina_f16p16_sub(Eina_F16p16 a, Eina_F16p16 b)
{
return a - b;
}
/**
* To be documented
* FIXME: To be fixed
*/
static inline Eina_F16p16 eina_f16p16_mul(Eina_F16p16 a, Eina_F16p16 b)
{
return ((int64_t)a * (int64_t)b) >> 16;
}
/**
* To be documented
* FIXME: To be fixed
*/
static inline Eina_F16p16 eina_f16p16_sqrt(Eina_F16p16 a)
{
unsigned int root, remHi, remLo, testDiv, count;
root = 0; /* Clear root */
remHi = 0; /* Clear high part of partial remainder */
remLo = a; /* Get argument into low part of partial remainder */
count = (15 + (16 >> 1)); /* Load loop counter */
do
{
remHi = (remHi << 2) | (remLo >> 30);
remLo <<= 2; /* get 2 bits of arg */
root <<= 1; /* Get ready for the next bit in the root */
testDiv = (root << 1) + 1; /* Test radical */
if (remHi >= testDiv)
{
remHi -= testDiv;
root++;
}
} while (count-- != 0);
return (root);
}
/**
* To be documented
* FIXME: To be fixed
*/
static inline unsigned int eina_f16p16_fracc_get(Eina_F16p16 v)
{
return (v & 0xffff);
}
#endif /*EINA_F16P16_H_*/

View File

@ -1,136 +0,0 @@
/* EINA - EFL data type library
* Copyright (C) 2007-2008 Jorge Luis Zapata Muga
* Copyright (C) 2009 Cedric BAIL
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library;
* if not, see <http://www.gnu.org/licenses/>.
*/
#ifndef EINA_F32P32_H_
#define EINA_F32P32_H_
#ifdef _MSC_VER
# include <Evil.h>
#else
# include <stdint.h>
#endif
/**
* To be documented
* FIXME: To be fixed
*/
typedef int64_t Eina_F32p32;
/**
* To be documented
* FIXME: To be fixed
*/
static inline Eina_F32p32 eina_f32p32_int_from(int32_t v)
{
return (Eina_F32p32) v << 32;
}
/**
* To be documented
* FIXME: To be fixed
*/
static inline int32_t eina_f32p32_int_to(Eina_F32p32 v)
{
return v >> 32;
}
/**
* To be documented
* FIXME: To be fixed
*/
static inline Eina_F32p32 eina_f32p32_double_from(double v)
{
Eina_F32p32 r;
r = (Eina_F32p32)(v * 4294967296.0 + (v < 0 ? -0.5 : 0.5));
return r;
}
/**
* To be documented
* FIXME: To be fixed
*/
static inline double eina_f32p32_double_to(Eina_F32p32 v)
{
double r;
r = v / 4294967296.0;
return r;
}
/**
* To be documented
* FIXME: To be fixed
*/
static inline Eina_F32p32 eina_f32p32_add(Eina_F32p32 a, Eina_F32p32 b)
{
return a + b;
}
/**
* To be documented
* FIXME: To be fixed
*/
static inline Eina_F32p32 eina_f32p32_sub(Eina_F32p32 a, Eina_F32p32 b)
{
return a - b;
}
/**
* To be documented
* FIXME: To be fixed
*/
static inline Eina_F32p32 eina_f32p32_mul(Eina_F32p32 a, Eina_F32p32 b)
{
int64_t low;
int64_t high;
low = a * (b & 0xffffffff);
high = a * (b >> 32);
return (low >> 32) + high;
}
/**
* To be documented
* FIXME: To be fixed
*/
static inline Eina_F32p32 eina_f32p32_sqrt(Eina_F32p32 a)
{
uint64_t root, remHi, remLo, testDiv, count;
root = 0; /* Clear root */
remHi = 0; /* Clear high part of partial remainder */
remLo = a; /* Get argument into low part of partial remainder */
count = (31 + (32 >> 1)); /* Load loop counter */
do
{
remHi = (remHi << 2) | (remLo >> 30);
remLo <<= 2; /* get 2 bits of arg */
root <<= 1; /* Get ready for the next bit in the root */
testDiv = (root << 1) + 1; /* Test radical */
if (remHi >= testDiv)
{
remHi -= testDiv;
root++;
}
} while (count-- != 0);
return (root);
}
/**
* To be documented
* FIXME: To be fixed
*/
static inline unsigned int eina_f32p32_fracc_get(Eina_F32p32 v)
{
return (unsigned int)v;
}
#endif /*EINA_F32P32_H_*/

View File

@ -1,130 +0,0 @@
/* EINA - EFL data type library
* Copyright (C) 2007-2008 Jorge Luis Zapata Muga
* Copyright (C) 2009 Cedric BAIL
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library;
* if not, see <http://www.gnu.org/licenses/>.
*/
#ifndef EINA_F8P24_H_
#define EINA_F8P24_H_
#ifdef _MSC_VER
# include <Evil.h>
#else
# include <stdint.h>
#endif
/**
* To be documented
* FIXME: To be fixed
*/
typedef int32_t Eina_F8p24;
/**
* To be documented
* FIXME: To be fixed
*/
static inline Eina_F8p24 eina_f8p24_int_from(int32_t v)
{
return v << 24;
}
/**
* To be documented
* FIXME: To be fixed
*/
static inline int32_t eina_f8p24_int_to(Eina_F8p24 v)
{
return v >> 24;
}
/**
* To be documented
* FIXME: To be fixed
*/
static inline Eina_F8p24 eina_f8p24_float_from(float v)
{
Eina_F8p24 r;
r = (Eina_F8p24)(v * 16777216.0f + (v < 0 ? -0.5f : 0.5f));
return r;
}
/**
* To be documented
* FIXME: To be fixed
*/
static inline float eina_f8p24_float_to(Eina_F8p24 v)
{
float r;
r = v / 16777216.0f;
return r;
}
/**
* To be documented
* FIXME: To be fixed
*/
static inline Eina_F8p24 eina_f8p24_add(Eina_F8p24 a, Eina_F8p24 b)
{
return a + b;
}
/**
* To be documented
* FIXME: To be fixed
*/
static inline Eina_F8p24 eina_f8p24_sub(Eina_F8p24 a, Eina_F8p24 b)
{
return a - b;
}
/**
* To be documented
* FIXME: To be fixed
*/
static inline Eina_F8p24 eina_f8p24_mul(Eina_F8p24 a, Eina_F8p24 b)
{
return ((int64_t)a * (int64_t)b) >> 24;
}
/**
* To be documented
* FIXME: To be fixed
*/
static inline Eina_F8p24 eina_f8p24_sqrt(Eina_F8p24 a)
{
unsigned int root, remHi, remLo, testDiv, count;
root = 0; /* Clear root */
remHi = 0; /* Clear high part of partial remainder */
remLo = a; /* Get argument into low part of partial remainder */
count = (23 + (24 >> 1)); /* Load loop counter */
do
{
remHi = (remHi << 2) | (remLo >> 30);
remLo <<= 2; /* get 2 bits of arg */
root <<= 1; /* Get ready for the next bit in the root */
testDiv = (root << 1) + 1; /* Test radical */
if (remHi >= testDiv)
{
remHi -= testDiv;
root++;
}
} while (count-- != 0);
return (root);
}
/**
* To be documented
* FIXME: To be fixed
*/
static inline unsigned int eina_f8p24_fracc_get(Eina_F8p24 v)
{
return (v & 0xffffff);
}
#endif /*EINA_F8P24_H_*/

View File

@ -0,0 +1,81 @@
/* EINA - EFL data type library
* Copyright (C) 2007-2008 Jorge Luis Zapata Muga
* Copyright (C) 2009 Cedric BAIL
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library;
* if not, see <http://www.gnu.org/licenses/>.
*/
#ifndef EINA_FP_H_
# define EINA_FP_H_
#ifdef _MSC_VER
# include <Evil.h>
#else
# include <stdint.h>
#endif
typedef int64_t Eina_F32p32;
typedef int32_t Eina_F16p16;
typedef int32_t Eina_F8p24;
static inline Eina_F32p32 eina_f32p32_int_from(int32_t v);
static inline int32_t eina_f32p32_int_to(Eina_F32p32 v);
static inline Eina_F32p32 eina_f32p32_double_from(double v);
static inline double eina_f32p32_double_to(Eina_F32p32 v);
static inline Eina_F32p32 eina_f32p32_add(Eina_F32p32 a, Eina_F32p32 b);
static inline Eina_F32p32 eina_f32p32_sub(Eina_F32p32 a, Eina_F32p32 b);
static inline Eina_F32p32 eina_f32p32_mul(Eina_F32p32 a, Eina_F32p32 b);
static inline Eina_F32p32 eina_f32p32_div(Eina_F32p32 a, Eina_F32p32 b);
static inline Eina_F32p32 eina_f32p32_sqrt(Eina_F32p32 a);
static inline unsigned int eina_f32p32_fracc_get(Eina_F32p32 v);
static inline Eina_F16p16 eina_f16p16_int_from(int32_t v);
static inline int32_t eina_f16p16_int_to(Eina_F16p16 v);
static inline Eina_F16p16 eina_f16p16_float_from(float v);
static inline float eina_f16p16_float_to(Eina_F16p16 v);
static inline Eina_F16p16 eina_f16p16_add(Eina_F16p16 a, Eina_F16p16 b);
static inline Eina_F16p16 eina_f16p16_sub(Eina_F16p16 a, Eina_F16p16 b);
static inline Eina_F16p16 eina_f16p16_mul(Eina_F16p16 a, Eina_F16p16 b);
static inline Eina_F16p16 eina_f16p16_div(Eina_F16p16 a, Eina_F16p16 b);
static inline Eina_F16p16 eina_f16p16_sqrt(Eina_F16p16 a);
static inline unsigned int eina_f16p16_fracc_get(Eina_F16p16 v);
static inline Eina_F8p24 eina_f8p24_int_from(int32_t v);
static inline int32_t eina_f8p24_int_to(Eina_F8p24 v);
static inline Eina_F8p24 eina_f8p24_float_from(float v);
static inline float eina_f8p24_float_to(Eina_F8p24 v);
static inline Eina_F8p24 eina_f8p24_add(Eina_F8p24 a, Eina_F8p24 b);
static inline Eina_F8p24 eina_f8p24_sub(Eina_F8p24 a, Eina_F8p24 b);
static inline Eina_F8p24 eina_f8p24_mul(Eina_F8p24 a, Eina_F8p24 b);
static inline Eina_F8p24 eina_f8p24_div(Eina_F8p24 a, Eina_F8p24 b);
static inline Eina_F8p24 eina_f8p24_sqrt(Eina_F8p24 a);
static inline unsigned int eina_f8p24_fracc_get(Eina_F8p24 v);
static inline Eina_F32p32 eina_f16p16_to_f32p32(Eina_F16p16 a);
static inline Eina_F32p32 eina_f8p24_to_f32p32(Eina_F8p24 a);
static inline Eina_F16p16 eina_f32p32_to_f16p16(Eina_F32p32 a);
static inline Eina_F16p16 eina_f8p24_to_f16p16(Eina_F8p24 a);
static inline Eina_F8p24 eina_f32p32_to_f8p24(Eina_F32p32 a);
static inline Eina_F8p24 eina_f16p16_to_f8p24(Eina_F16p16 a);
#include "eina_inline_f32p32.x"
#include "eina_inline_f16p16.x"
#include "eina_inline_f8p24.x"
#include "eina_inline_fp.x"
#endif

View File

@ -0,0 +1,77 @@
/* EINA - EFL data type library
* Copyright (C) 2007-2008 Jorge Luis Zapata Muga
* Copyright (C) 2009 Cedric BAIL
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library;
* if not, see <http://www.gnu.org/licenses/>.
*/
#ifndef EINA_INLINE_F16P16_X_
#define EINA_INLINE_F16P16_X_
static inline Eina_F16p16
eina_f16p16_add(Eina_F16p16 a, Eina_F16p16 b)
{
return a + b;
}
static inline Eina_F16p16
eina_f16p16_sub(Eina_F16p16 a, Eina_F16p16 b)
{
return a - b;
}
static inline Eina_F16p16
eina_f16p16_mul(Eina_F16p16 a, Eina_F16p16 b)
{
return ((int64_t)a * (int64_t)b) >> 16;
}
static inline Eina_F16p16
eina_f16p16_div(Eina_F16p16 a, Eina_F16p16 b)
{
return (Eina_F16p16) ((((int64_t) a) << 16) / (int64_t) b);
}
static inline Eina_F16p16
eina_f16p16_sqrt(Eina_F16p16 a)
{
unsigned int root, remHi, remLo, testDiv, count;
root = 0; /* Clear root */
remHi = 0; /* Clear high part of partial remainder */
remLo = a; /* Get argument into low part of partial remainder */
count = (15 + (16 >> 1)); /* Load loop counter */
do {
remHi = (remHi << 2) | (remLo >> 30);
remLo <<= 2; /* get 2 bits of arg */
root <<= 1; /* Get ready for the next bit in the root */
testDiv = (root << 1) + 1; /* Test radical */
if (remHi >= testDiv)
{
remHi -= testDiv;
root++;
}
} while (count-- != 0);
return root;
}
static inline unsigned int
eina_f16p16_fracc_get(Eina_F16p16 v)
{
return (v & 0xffff);
}
#endif

View File

@ -0,0 +1,76 @@
/* EINA - EFL data type library
* Copyright (C) 2007-2009 Jorge Luis Zapata Muga, Cedric BAIL
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library;
* if not, see <http://www.gnu.org/licenses/>.
*/
#ifndef EINA_INLINE_F32P32_X_
# define EINA_INLINE_F32P32_X_
static inline Eina_F32p32
eina_f32p32_add(Eina_F32p32 a, Eina_F32p32 b)
{
return a + b;
}
static inline Eina_F32p32
eina_f32p32_sub(Eina_F32p32 a, Eina_F32p32 b)
{
return a - b;
}
static inline Eina_F32p32
eina_f32p32_mul(Eina_F32p32 a, Eina_F32p32 b)
{
return (a * b) >> 32;
}
static inline Eina_F32p32
eina_f32p32_div(Eina_F32p32 a, Eina_F32p32 b)
{
/* If a > 2³², you will have a wrong result due to overflow. */
return (a << 32) / b;
}
static inline Eina_F32p32
eina_f32p32_sqrt(Eina_F32p32 a)
{
uint64_t root, remHi, remLo, testDiv, count;
root = 0; /* Clear root */
remHi = 0; /* Clear high part of partial remainder */
remLo = a; /* Get argument into low part of partial remainder */
count = (31 + (32 >> 1)); /* Load loop counter */
do {
remHi = (remHi << 2) | (remLo >> 30);
remLo <<= 2; /* get 2 bits of arg */
root <<= 1; /* Get ready for the next bit in the root */
testDiv = (root << 1) + 1; /* Test radical */
if (remHi >= testDiv) {
remHi -= testDiv;
root++;
}
} while (count-- != 0);
return root;
}
static inline unsigned int
eina_f32p32_fracc_get(Eina_F32p32 v)
{
return (unsigned int)v;
}
#endif

View File

@ -0,0 +1,76 @@
/* EINA - EFL data type library
* Copyright (C) 2007-2008 Jorge Luis Zapata Muga
* Copyright (C) 2009 Cedric BAIL
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library;
* if not, see <http://www.gnu.org/licenses/>.
*/
#ifndef EINA_INLINE_F8P24_X_
#define EINA_INLINE_F8P24_X_
static inline Eina_F8p24
eina_f8p24_add(Eina_F8p24 a, Eina_F8p24 b)
{
return a + b;
}
static inline Eina_F8p24
eina_f8p24_sub(Eina_F8p24 a, Eina_F8p24 b)
{
return a - b;
}
static inline Eina_F8p24
eina_f8p24_mul(Eina_F8p24 a, Eina_F8p24 b)
{
return ((int64_t) a * (int64_t) b) >> 24;
}
static inline Eina_F8p24
eina_f8p24_div(Eina_F8p24 a, Eina_F8p24 b)
{
return (Eina_F8p24) ((((int64_t) a) << 24) / (int64_t) b);
}
static inline Eina_F8p24
eina_f8p24_sqrt(Eina_F8p24 a)
{
unsigned int root, remHi, remLo, testDiv, count;
root = 0; /* Clear root */
remHi = 0; /* Clear high part of partial remainder */
remLo = a; /* Get argument into low part of partial remainder */
count = (23 + (24 >> 1)); /* Load loop counter */
do {
remHi = (remHi << 2) | (remLo >> 30);
remLo <<= 2; /* get 2 bits of arg */
root <<= 1; /* Get ready for the next bit in the root */
testDiv = (root << 1) + 1; /* Test radical */
if (remHi >= testDiv)
{
remHi -= testDiv;
root++;
}
} while (count-- != 0);
return (root);
}
static inline unsigned int
eina_f8p24_fracc_get(Eina_F8p24 v)
{
return (v & 0xffffff);
}
#endif

View File

@ -0,0 +1,153 @@
/* EINA - EFL data type library
* Copyright (C) 2007-2008 Jorge Luis Zapata Muga
* Copyright (C) 2009 Cedric BAIL
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library;
* if not, see <http://www.gnu.org/licenses/>.
*/
#ifndef EINA_INLINE_FP_X_
# define EINA_INLINE_FP_X_
static inline Eina_F32p32
eina_f32p32_int_from(int32_t v)
{
return (Eina_F32p32) v << 32;
}
static inline int32_t
eina_f32p32_int_to(Eina_F32p32 v)
{
return v >> 32;
}
static inline Eina_F32p32
eina_f32p32_double_from(double v)
{
Eina_F32p32 r;
r = (Eina_F32p32)(v * 4294967296.0 + (v < 0 ? -0.5 : 0.5));
return r;
}
static inline double
eina_f32p32_double_to(Eina_F32p32 v)
{
double r;
r = v / 4294967296.0;
return r;
}
static inline Eina_F16p16
eina_f16p16_int_from(int32_t v)
{
return v << 16;
}
static inline int32_t
eina_f16p16_int_to(Eina_F16p16 v)
{
return v >> 16;
}
static inline Eina_F16p16
eina_f16p16_float_from(float v)
{
Eina_F16p16 r;
r = (Eina_F16p16)(v * 65536.0f + (v < 0 ? -0.5f : 0.5f));
return r;
}
static inline float
eina_f16p16_float_to(Eina_F16p16 v)
{
float r;
r = v / 65536.0f;
return r;
}
static inline Eina_F8p24
eina_f8p24_int_from(int32_t v)
{
return v << 24;
}
static inline int32_t
eina_f8p24_int_to(Eina_F8p24 v)
{
return v >> 24;
}
static inline Eina_F8p24
eina_f8p24_float_from(float v)
{
Eina_F8p24 r;
r = (Eina_F8p24)(v * 16777216.0f + (v < 0 ? -0.5f : 0.5f));
return r;
}
static inline float
eina_f8p24_float_to(Eina_F8p24 v)
{
float r;
r = v / 16777216.0f;
return r;
}
static inline Eina_F32p32
eina_f16p16_to_f32p32(Eina_F16p16 a)
{
return ((Eina_F32p32) a) << 16;
}
static inline Eina_F32p32
eina_f8p24_to_f32p32(Eina_F8p24 a)
{
return ((Eina_F32p32) a) << 8;
}
static inline Eina_F16p16
eina_f32p32_to_f16p16(Eina_F32p32 a)
{
return (Eina_F16p16) a >> 16;
}
static inline Eina_F16p16
eina_f8p24_to_f16p16(Eina_F8p24 a)
{
return (Eina_F16p16) a >> 8;
}
static inline Eina_F8p24
eina_f32p32_to_f8p24(Eina_F32p32 a)
{
return (Eina_F8p24) a >> 8;
}
static inline Eina_F8p24
eina_f16p16_to_f8p24(Eina_F16p16 a)
{
return (Eina_F8p24) a << 8;
}
#endif

View File

@ -32,7 +32,7 @@
/* undefs EINA_ARG_NONULL() so NULL checks are not compiled out! */
#include "eina_safety_checks.h"
#include "eina_convert.h"
#include "eina_f32p32.h"
#include "eina_fp.h"
/*============================================================================*
* Local *