forked from enlightenment/efl
* eina: Cleanup Eina fixed point implementation.
SVN revision: 42798
This commit is contained in:
parent
5022bcf21b
commit
7a51d7bf39
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@ -155,9 +155,7 @@ extern "C" {
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#include "eina_config.h"
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#include "eina_types.h"
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#include "eina_main.h"
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#include "eina_f16p16.h"
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#include "eina_f8p24.h"
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#include "eina_f32p32.h"
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#include "eina_fp.h"
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#include "eina_rectangle.h"
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#include "eina_inlist.h"
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#include "eina_file.h"
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@ -4,9 +4,11 @@ EINAHEADERS = \
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eina_safety_checks.h \
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eina_error.h \
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eina_log.h \
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eina_f16p16.h \
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eina_f8p24.h \
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eina_f32p32.h \
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eina_fp.h \
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eina_inline_f32p32.x \
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eina_inline_f16p16.x \
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eina_inline_f8p24.x \
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eina_inline_fp.x \
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eina_hash.h \
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eina_inline_hash.x \
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eina_lalloc.h \
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@ -22,7 +22,7 @@
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#include "eina_types.h"
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#include "eina_error.h"
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#include "eina_f32p32.h"
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#include "eina_fp.h"
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/**
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* @addtogroup Eina_Tools_Group Tools
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@ -1,129 +0,0 @@
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/* EINA - EFL data type library
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* Copyright (C) 2007-2008 Jorge Luis Zapata Muga
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library;
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* if not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef EINA_F16P16_H_
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#define EINA_F16P16_H_
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#ifdef _MSC_VER
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# include <Evil.h>
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#else
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# include <stdint.h>
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#endif
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/**
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* To be documented
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* FIXME: To be fixed
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*/
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typedef int32_t Eina_F16p16;
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/**
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* To be documented
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* FIXME: To be fixed
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*/
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static inline Eina_F16p16 eina_f16p16_int_from(int32_t v)
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{
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return v << 16;
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}
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/**
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* To be documented
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* FIXME: To be fixed
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*/
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static inline int32_t eina_f16p16_int_to(Eina_F16p16 v)
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{
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return v >> 16;
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}
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/**
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* To be documented
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* FIXME: To be fixed
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*/
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static inline Eina_F16p16 eina_f16p16_float_from(float v)
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{
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Eina_F16p16 r;
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r = (Eina_F16p16)(v * 65536.0f + (v < 0 ? -0.5f : 0.5f));
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return r;
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}
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/**
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* To be documented
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* FIXME: To be fixed
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*/
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static inline float eina_f16p16_float_to(Eina_F16p16 v)
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{
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float r;
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r = v / 65536.0f;
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return r;
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}
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/**
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* To be documented
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* FIXME: To be fixed
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*/
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static inline Eina_F16p16 eina_f16p16_add(Eina_F16p16 a, Eina_F16p16 b)
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{
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return a + b;
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}
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/**
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* To be documented
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* FIXME: To be fixed
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*/
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static inline Eina_F16p16 eina_f16p16_sub(Eina_F16p16 a, Eina_F16p16 b)
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{
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return a - b;
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}
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/**
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* To be documented
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* FIXME: To be fixed
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*/
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static inline Eina_F16p16 eina_f16p16_mul(Eina_F16p16 a, Eina_F16p16 b)
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{
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return ((int64_t)a * (int64_t)b) >> 16;
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}
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/**
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* To be documented
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* FIXME: To be fixed
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*/
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static inline Eina_F16p16 eina_f16p16_sqrt(Eina_F16p16 a)
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{
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unsigned int root, remHi, remLo, testDiv, count;
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root = 0; /* Clear root */
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remHi = 0; /* Clear high part of partial remainder */
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remLo = a; /* Get argument into low part of partial remainder */
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count = (15 + (16 >> 1)); /* Load loop counter */
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do
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{
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remHi = (remHi << 2) | (remLo >> 30);
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remLo <<= 2; /* get 2 bits of arg */
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root <<= 1; /* Get ready for the next bit in the root */
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testDiv = (root << 1) + 1; /* Test radical */
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if (remHi >= testDiv)
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{
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remHi -= testDiv;
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root++;
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}
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} while (count-- != 0);
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return (root);
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}
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/**
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* To be documented
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* FIXME: To be fixed
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*/
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static inline unsigned int eina_f16p16_fracc_get(Eina_F16p16 v)
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{
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return (v & 0xffff);
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}
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#endif /*EINA_F16P16_H_*/
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@ -1,136 +0,0 @@
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/* EINA - EFL data type library
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* Copyright (C) 2007-2008 Jorge Luis Zapata Muga
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* Copyright (C) 2009 Cedric BAIL
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library;
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* if not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef EINA_F32P32_H_
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#define EINA_F32P32_H_
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#ifdef _MSC_VER
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# include <Evil.h>
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#else
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# include <stdint.h>
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#endif
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/**
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* To be documented
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* FIXME: To be fixed
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*/
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typedef int64_t Eina_F32p32;
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/**
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* To be documented
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* FIXME: To be fixed
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*/
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static inline Eina_F32p32 eina_f32p32_int_from(int32_t v)
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{
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return (Eina_F32p32) v << 32;
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}
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/**
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* To be documented
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* FIXME: To be fixed
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*/
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static inline int32_t eina_f32p32_int_to(Eina_F32p32 v)
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{
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return v >> 32;
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}
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/**
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* To be documented
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* FIXME: To be fixed
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*/
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static inline Eina_F32p32 eina_f32p32_double_from(double v)
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{
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Eina_F32p32 r;
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r = (Eina_F32p32)(v * 4294967296.0 + (v < 0 ? -0.5 : 0.5));
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return r;
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}
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/**
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* To be documented
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* FIXME: To be fixed
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*/
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static inline double eina_f32p32_double_to(Eina_F32p32 v)
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{
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double r;
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r = v / 4294967296.0;
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return r;
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}
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/**
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* To be documented
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* FIXME: To be fixed
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*/
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static inline Eina_F32p32 eina_f32p32_add(Eina_F32p32 a, Eina_F32p32 b)
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{
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return a + b;
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}
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/**
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* To be documented
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* FIXME: To be fixed
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*/
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static inline Eina_F32p32 eina_f32p32_sub(Eina_F32p32 a, Eina_F32p32 b)
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{
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return a - b;
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}
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/**
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* To be documented
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* FIXME: To be fixed
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*/
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static inline Eina_F32p32 eina_f32p32_mul(Eina_F32p32 a, Eina_F32p32 b)
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{
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int64_t low;
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int64_t high;
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low = a * (b & 0xffffffff);
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high = a * (b >> 32);
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return (low >> 32) + high;
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}
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/**
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* To be documented
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* FIXME: To be fixed
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*/
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static inline Eina_F32p32 eina_f32p32_sqrt(Eina_F32p32 a)
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{
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uint64_t root, remHi, remLo, testDiv, count;
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root = 0; /* Clear root */
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remHi = 0; /* Clear high part of partial remainder */
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remLo = a; /* Get argument into low part of partial remainder */
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count = (31 + (32 >> 1)); /* Load loop counter */
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do
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{
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remHi = (remHi << 2) | (remLo >> 30);
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remLo <<= 2; /* get 2 bits of arg */
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root <<= 1; /* Get ready for the next bit in the root */
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testDiv = (root << 1) + 1; /* Test radical */
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if (remHi >= testDiv)
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{
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remHi -= testDiv;
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root++;
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}
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} while (count-- != 0);
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return (root);
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}
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/**
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* To be documented
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* FIXME: To be fixed
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*/
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static inline unsigned int eina_f32p32_fracc_get(Eina_F32p32 v)
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{
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return (unsigned int)v;
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}
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#endif /*EINA_F32P32_H_*/
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@ -1,130 +0,0 @@
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/* EINA - EFL data type library
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* Copyright (C) 2007-2008 Jorge Luis Zapata Muga
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* Copyright (C) 2009 Cedric BAIL
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library;
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* if not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef EINA_F8P24_H_
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#define EINA_F8P24_H_
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#ifdef _MSC_VER
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# include <Evil.h>
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#else
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# include <stdint.h>
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#endif
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/**
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* To be documented
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* FIXME: To be fixed
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*/
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typedef int32_t Eina_F8p24;
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/**
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* To be documented
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* FIXME: To be fixed
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*/
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static inline Eina_F8p24 eina_f8p24_int_from(int32_t v)
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{
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return v << 24;
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}
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/**
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* To be documented
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* FIXME: To be fixed
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*/
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static inline int32_t eina_f8p24_int_to(Eina_F8p24 v)
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{
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return v >> 24;
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}
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/**
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* To be documented
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* FIXME: To be fixed
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*/
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static inline Eina_F8p24 eina_f8p24_float_from(float v)
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{
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Eina_F8p24 r;
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r = (Eina_F8p24)(v * 16777216.0f + (v < 0 ? -0.5f : 0.5f));
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return r;
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}
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/**
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* To be documented
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* FIXME: To be fixed
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*/
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static inline float eina_f8p24_float_to(Eina_F8p24 v)
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{
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float r;
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r = v / 16777216.0f;
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return r;
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}
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/**
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* To be documented
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* FIXME: To be fixed
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*/
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static inline Eina_F8p24 eina_f8p24_add(Eina_F8p24 a, Eina_F8p24 b)
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{
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return a + b;
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}
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/**
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* To be documented
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* FIXME: To be fixed
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*/
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static inline Eina_F8p24 eina_f8p24_sub(Eina_F8p24 a, Eina_F8p24 b)
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{
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return a - b;
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}
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/**
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* To be documented
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* FIXME: To be fixed
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*/
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static inline Eina_F8p24 eina_f8p24_mul(Eina_F8p24 a, Eina_F8p24 b)
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{
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return ((int64_t)a * (int64_t)b) >> 24;
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}
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/**
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* To be documented
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* FIXME: To be fixed
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*/
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static inline Eina_F8p24 eina_f8p24_sqrt(Eina_F8p24 a)
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{
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unsigned int root, remHi, remLo, testDiv, count;
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root = 0; /* Clear root */
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remHi = 0; /* Clear high part of partial remainder */
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remLo = a; /* Get argument into low part of partial remainder */
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count = (23 + (24 >> 1)); /* Load loop counter */
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do
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{
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remHi = (remHi << 2) | (remLo >> 30);
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remLo <<= 2; /* get 2 bits of arg */
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root <<= 1; /* Get ready for the next bit in the root */
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testDiv = (root << 1) + 1; /* Test radical */
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if (remHi >= testDiv)
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{
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remHi -= testDiv;
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root++;
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}
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} while (count-- != 0);
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return (root);
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}
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/**
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* To be documented
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* FIXME: To be fixed
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*/
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static inline unsigned int eina_f8p24_fracc_get(Eina_F8p24 v)
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{
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return (v & 0xffffff);
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}
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#endif /*EINA_F8P24_H_*/
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@ -0,0 +1,81 @@
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/* EINA - EFL data type library
|
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* 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/>.
|
||||
*/
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#ifndef EINA_FP_H_
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# define EINA_FP_H_
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#ifdef _MSC_VER
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# include <Evil.h>
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#else
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# include <stdint.h>
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#endif
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typedef int64_t Eina_F32p32;
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typedef int32_t Eina_F16p16;
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typedef int32_t Eina_F8p24;
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static inline Eina_F32p32 eina_f32p32_int_from(int32_t v);
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static inline int32_t eina_f32p32_int_to(Eina_F32p32 v);
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static inline Eina_F32p32 eina_f32p32_double_from(double v);
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static inline double eina_f32p32_double_to(Eina_F32p32 v);
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static inline Eina_F32p32 eina_f32p32_add(Eina_F32p32 a, Eina_F32p32 b);
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static inline Eina_F32p32 eina_f32p32_sub(Eina_F32p32 a, Eina_F32p32 b);
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static inline Eina_F32p32 eina_f32p32_mul(Eina_F32p32 a, Eina_F32p32 b);
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static inline Eina_F32p32 eina_f32p32_div(Eina_F32p32 a, Eina_F32p32 b);
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static inline Eina_F32p32 eina_f32p32_sqrt(Eina_F32p32 a);
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static inline unsigned int eina_f32p32_fracc_get(Eina_F32p32 v);
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static inline Eina_F16p16 eina_f16p16_int_from(int32_t v);
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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
|
|
@ -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
|
|
@ -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
|
|
@ -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
|
|
@ -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
|
|
@ -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 *
|
||||
|
|
Loading…
Reference in New Issue