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-rw-r--r--src/lib/eina/eina_fp.h451
1 files changed, 33 insertions, 418 deletions
diff --git a/src/lib/eina/eina_fp.h b/src/lib/eina/eina_fp.h
index 7a169a20f5..236bd1018d 100644
--- a/src/lib/eina/eina_fp.h
+++ b/src/lib/eina/eina_fp.h
@@ -2,14 +2,14 @@
* Copyright (C) 2007-2008 Jorge Luis Zapata Muga
* Copyright (C) 2009 Cedric BAIL
*
- * This library is free software; you can redistribute it and/or
+ * This library is a 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
+ * 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
@@ -20,24 +20,6 @@
#ifndef EINA_FP_H_
# define EINA_FP_H_
-/**
- * @addtogroup Eina_Fp_Group Fp
- *
- * @brief Floating point numbers data type management.
- */
-
-/**
- * @addtogroup Eina_Data_Types_Group Data Types
- *
- * @{
- */
-
-/**
- * @defgroup Eina_Fp_Group Fp
- *
- * @{
- */
-
#include "eina_types.h"
#ifdef _MSC_VER
@@ -48,436 +30,77 @@ typedef signed int int32_t;
# include <stdint.h>
#endif
-/**
- * @def EINA_F32P32_PI
- * @brief Yields the 32-bit PI constant
- */
#define EINA_F32P32_PI 0x00000003243f6a89
-/**
- * @typedef Eina_F32p32
- * Type for floating point number where the size of the integer part is 32-bit
- * and the size of the decimal part is 32-bit
- */
typedef int64_t Eina_F32p32;
-
-/**
- * @typedef Eina_F16p16
- * Type for floating point number where the size of the integer part is 16-bit
- * and the size of the decimal part is 16-bit
- */
typedef int32_t Eina_F16p16;
-
-/**
- * @typedef Eina_F8p24
- * Type for floating point number where the size of the integer part is 8-bit
- * and the size of the decimal part is 24bits
- */
typedef int32_t Eina_F8p24;
-/**
- * @brief Create a new Eina_F32p32 floating point number from standard 32-bit
- * integer
- *
- * @param v 32-bit integer value to convert
- * @return The value converted into Eina_F32p32 format
- */
static inline Eina_F32p32 eina_f32p32_int_from(int32_t v);
-
-/**
- * @brief Create a new standard 32-bit integer from Eina_F32p32 floating point
- * number
- *
- * @param v Eina_F32p32 value to convert
- * @return The value converted into 32-bit integer
- */
static inline int32_t eina_f32p32_int_to(Eina_F32p32 v);
-
-/**
- * @brief Create a new Eina_F32p32 floating point number from standard double
- *
- * @param v double value to convert
- * @return The value converted into Eina_F32p32 format
- */
static inline Eina_F32p32 eina_f32p32_double_from(double v);
-
-/**
- * @brief Create a new standard double from Eina_F32p32 floating point
- * number
- *
- * @param v Eina_F32p32 value to convert
- * @return The value converted into double
- */
static inline double eina_f32p32_double_to(Eina_F32p32 v);
-/**
- * @brief Calculates the sum of two Eina_F32p32 floating point numbers
- *
- * @param a The first number
- * @param b The second number
- * @return The sum result of the two numbers @p a + @p b
- */
-static inline Eina_F32p32 eina_f32p32_add(Eina_F32p32 a, Eina_F32p32 b);
-
-/**
- * @brief Calculates the substraction of two Eina_F32p32 floating point numbers
- *
- * @param a The first number
- * @param b The substracted number
- * @return The substaction result of the two numbers @p a - @p b
- */
-static inline Eina_F32p32 eina_f32p32_sub(Eina_F32p32 a, Eina_F32p32 b);
-
-/**
- * @brief Calculates the multiplication of two Eina_F32p32 floating point numbers
- *
- * @param a The first number
- * @param b The second number
- * @return The mutliplication result of the two numbers @p a * @p b
- *
- * To prevent overflow during multiplication we need to reduce the precision of
- * the fraction part Shift both values to only contain 16 bit of the fraction
- * part (rounded). After multiplication we again have a value with a 32-bit
- * fraction part.
- */
-static inline Eina_F32p32 eina_f32p32_mul(Eina_F32p32 a, Eina_F32p32 b);
-
-/**
- * @brief Calculates the scale multiplication of one Eina_F32p32 floating point
- * number with an integer
- *
- * @param a The Eina_F32p32 number
- * @param b The integer value
- * @return The mutliplication result of the two numbers @p a * @p b
- */
-static inline Eina_F32p32 eina_f32p32_scale(Eina_F32p32 a, int b);
-
-/**
- * @brief Calculates the division of two Eina_F32p32 floating point numbers
- *
- * @param a The numerator number
- * @param b The denominator number
- * @return The division result of the two numbers @p a / @p b
- */
-static inline Eina_F32p32 eina_f32p32_div(Eina_F32p32 a, Eina_F32p32 b);
-
-/**
- * @brief Calculates the square root of an Eina_F32p32 floating point number
- *
- * @param a The number to calculate the square root from
- * @return The square root result for the number @p a
- */
+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_scale(Eina_F32p32 a,
+ int b);
+static inline Eina_F32p32 eina_f32p32_div(Eina_F32p32 a,
+ Eina_F32p32 b);
static inline Eina_F32p32 eina_f32p32_sqrt(Eina_F32p32 a);
-
-/**
- * @brief Get the absolute value of the integer part of and Eina_F32p32 floating
- * point number
- *
- * @param a The floating point number
- * @return The positive integer part of the number @p a
- */
static inline unsigned int eina_f32p32_fracc_get(Eina_F32p32 v);
-/**
- * @brief Get the absolute value of an Eina_F32p32 floating point number
- *
- * @param a The floating point number
- * @return The absolute value for the number @p a
- * @warning Has known issues on 64-bit architecture, prefer
- * eina_f32p32_fracc_get() instead
- */
+// dont use llabs - issues if not on 64bit
#define eina_fp32p32_llabs(a) ((a < 0) ? -(a) : (a))
-/**
- * @brief Calculates the cosinus of a floating point number
- *
- * @param a The angle in radians to calculate the cosinus from.
- * @return The cosinus value of the angle @p a
- */
EAPI Eina_F32p32 eina_f32p32_cos(Eina_F32p32 a);
-
-/**
- * @brief Calculates the sinus of a floating point number
- *
- * @param a The angle in radians to calculate the sinus from.
- * @return The cosinus value of the angle @p a
- */
EAPI Eina_F32p32 eina_f32p32_sin(Eina_F32p32 a);
-
-/**
- * @def EINA_F16P16_ONE
- *
- * Yields the maximum 16-bit unsigned integer size (= 65536)
- */
-#define EINA_F16P16_ONE (1 << 16)
-
-/**
- * @def EINA_F16P16_HALF
- *
- * Yields the maximum 16-bit signed integer size (= 32768)
- */
-#define EINA_F16P16_HALF (1 << 15)
-
-/**
- * @brief Create a new Eina_F16p316 floating point number from standard 32-bit
- * integer
- *
- * @param v 32-bit integer value to convert
- * @return The value converted into Eina_F16p16 format
- */
static inline Eina_F16p16 eina_f16p16_int_from(int32_t v);
-
-/**
- * @brief Create a new standard 32-bit integer from Eina_F16p16 floating point
- * number
- *
- * @param v Eina_F16p16 value to convert
- * @return The value converted into 32-bit integer
- */
static inline int32_t eina_f16p16_int_to(Eina_F16p16 v);
-
-/**
- * @brief Create a new Eina_F16p16 floating point number from standard double
- *
- * @param v double value to convert
- * @return The value converted into Eina_F16p16 format
- */
-static inline Eina_F16p16 eina_f16p16_double_from(double v);
-
-/**
- * @brief Create a new standard double from Eina_F16p16 floating point
- * number
- *
- * @param v Eina_F16p16 value to convert
- * @return The value converted into double
- */
-static inline double eina_f16p16_double_to(Eina_F16p16 v);
-
-/**
- * @brief Create a new Eina_F16p16 floating point number from standard float
- *
- * @param v float value to convert
- * @return The value converted into Eina_F16p16 format
- */
static inline Eina_F16p16 eina_f16p16_float_from(float v);
-
-/**
- * @brief Create a new standard float from Eina_F16p16 floating point
- * number
- *
- * @param v Eina_F16p16 value to convert
- * @return The value converted into float
- */
static inline float eina_f16p16_float_to(Eina_F16p16 v);
-/**
- * @brief Calculates the sum of two Eina_F16p16 floating point numbers
- *
- * @param a The first number
- * @param b The second number
- * @return The sum result of the two numbers @p a + @p b
- */
-static inline Eina_F16p16 eina_f16p16_add(Eina_F16p16 a, Eina_F16p16 b);
-
-/**
- * @brief Calculates the substraction of two Eina_F16p16 floating point numbers
- *
- * @param a The first number
- * @param b The substracted number
- * @return The substaction result of the two numbers @p a - @p b
- */
-static inline Eina_F16p16 eina_f16p16_sub(Eina_F16p16 a, Eina_F16p16 b);
-
-/**
- * @brief Calculates the multiplication of two Eina_F16p16 floating point numbers
- *
- * @param a The first number
- * @param b The second number
- * @return The mutliplication result of the two numbers @p a * @p b
- */
-static inline Eina_F16p16 eina_f16p16_mul(Eina_F16p16 a, Eina_F16p16 b);
-
-/**
- * @brief Calculates the scale multiplication of one Eina_F16p16 floating point
- * number with an integer
- *
- * @param a The Eina_F16p16 number
- * @param b The integer value
- * @return The mutliplication result of the two numbers @p a * @p b
- */
-static inline Eina_F16p16 eina_f16p16_scale(Eina_F16p16 a, int b);
-
-/**
- * @brief Calculates the division of two Eina_F16p16 floating point numbers
- *
- * @param a The numerator number
- * @param b The denominator number
- * @return The division result of the two numbers @p a / @p b
- */
-static inline Eina_F16p16 eina_f16p16_div(Eina_F16p16 a, Eina_F16p16 b);
-
-/**
- * @brief Calculates the square root of an Eina_F16p16 floating point number
- *
- * @param a The number to calculate the square root from
- * @return The square root result for the number @p a
- */
+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_scale(Eina_F16p16 a,
+ int b);
+static inline Eina_F16p16 eina_f16p16_div(Eina_F16p16 a,
+ Eina_F16p16 b);
static inline Eina_F16p16 eina_f16p16_sqrt(Eina_F16p16 a);
-
-/**
- * @brief Get the absolute value of the integer part of and Eina_F16p16 floating
- * point number
- *
- * @param a The floating point number
- * @return The positive integer part of the number @p a
- */
static inline unsigned int eina_f16p16_fracc_get(Eina_F16p16 v);
-
-/**
- * @brief Create a new Eina_F16p316 floating point number from standard 32-bit
- * integer
- *
- * @param v 32-bit integer value to convert
- * @return The value converted into Eina_F8p24 format
- */
static inline Eina_F8p24 eina_f8p24_int_from(int32_t v);
-
-/**
- * @brief Create a new standard 32-bit integer from Eina_F8p24 floating point
- * number
- *
- * @param v Eina_F8p24 value to convert
- * @return The value converted into 32-bit integer
- */
static inline int32_t eina_f8p24_int_to(Eina_F8p24 v);
-
-/**
- * @brief Create a new Eina_F8p24 floating point number from standard float
- *
- * @param v float value to convert
- * @return The value converted into Eina_F8p24 format
- */
static inline Eina_F8p24 eina_f8p24_float_from(float v);
-
-/**
- * @brief Create a new standard float from Eina_F8p24 floating point number
- *
- * @param v Eina_F8p24 value to convert
- * @return The value converted into float
- */
static inline float eina_f8p24_float_to(Eina_F8p24 v);
-/**
- * @brief Calculates the sum of two Eina_F8p24 floating point numbers
- *
- * @param a The first number
- * @param b The second number
- * @return The sum result of the two numbers @p a + @p b
- */
-static inline Eina_F8p24 eina_f8p24_add(Eina_F8p24 a, Eina_F8p24 b);
-
-/**
- * @brief Calculates the substraction of two Eina_F8p24 floating point numbers
- *
- * @param a The first number
- * @param b The substracted number
- * @return The substaction result of the two numbers @p a - @p b
- */
-static inline Eina_F8p24 eina_f8p24_sub(Eina_F8p24 a, Eina_F8p24 b);
-
-/**
- * @brief Calculates the multiplication of two Eina_F8p24 floating point numbers
- *
- * @param a The first number
- * @param b The second number
- * @return The mutliplication result of the two numbers @p a * @p b
- */
-static inline Eina_F8p24 eina_f8p24_mul(Eina_F8p24 a, Eina_F8p24 b);
-
-/**
- * @brief Calculates the scale multiplication of one Eina_F8p24 floating point
- * number with an integer
- *
- * @param a The Eina_F16p16 number
- * @param b The integer value
- * @return The mutliplication result of the two numbers @p a * @p b
- */
-static inline Eina_F8p24 eina_f8p24_scale(Eina_F8p24 a, int b);
-
-/**
- * @brief Calculates the division of two Eina_F8p24 floating point numbers
- *
- * @param a The numerator number
- * @param b The denominator number
- * @return The division result of the two numbers @p a / @p b
- */
-static inline Eina_F8p24 eina_f8p24_div(Eina_F8p24 a, Eina_F8p24 b);
-
-/**
- * @brief Calculates the square root of an Eina_F8p24 floating point number
- *
- * @param a The number to calculate the square root from
- * @return The square root result for the number @p a
- */
+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_scale(Eina_F8p24 a,
+ int b);
+static inline Eina_F8p24 eina_f8p24_div(Eina_F8p24 a,
+ Eina_F8p24 b);
static inline Eina_F8p24 eina_f8p24_sqrt(Eina_F8p24 a);
-
-/**
- * @brief Get the absolute value of the integer part of and Eina_F8p24 floating
- * point number
- *
- * @param a The floating point number
- * @return The positive integer part of the number @p a
- */
static inline unsigned int eina_f8p24_fracc_get(Eina_F8p24 v);
-/**
- * @brief Converts an Eina_F16p16 floating point number into Eina_F32p32 format
- *
- * @param a The Eina_F16p16 floating point number
- * @return The converted Eina_F32p32 floating point number
- */
static inline Eina_F32p32 eina_f16p16_to_f32p32(Eina_F16p16 a);
-
-/**
- * @brief Converts an Eina_F8p24 floating point number into Eina_F32p32 format
- *
- * @param a The Eina_F8p24 floating point number
- * @return The converted Eina_F32p32 floating point number
- */
static inline Eina_F32p32 eina_f8p24_to_f32p32(Eina_F8p24 a);
-
-/**
- * @brief Converts an Eina_F32p32 floating point number into Eina_F16p16 format
- *
- * @param a The Eina_F32p32 floating point number
- * @return The converted Eina_F16p16 floating point number
- */
static inline Eina_F16p16 eina_f32p32_to_f16p16(Eina_F32p32 a);
-
-/**
- * @brief Converts an Eina_F8p24 floating point number into Eina_F16p16 format
- *
- * @param a The Eina_F8p24 floating point number
- * @return The converted Eina_F16p16 floating point number
- */
static inline Eina_F16p16 eina_f8p24_to_f16p16(Eina_F8p24 a);
-
-/**
- * @brief Converts an Eina_F32p32 floating point number into Eina_F8p24 format
- *
- * @param a The Eina_F32p32 floating point number
- * @return The converted Eina_F8p16 floating point number
- */
static inline Eina_F8p24 eina_f32p32_to_f8p24(Eina_F32p32 a);
-
-/**
- * @brief Converts an Eina_F16p16 floating point number into Eina_F8p16 format
- *
- * @param a The Eina_F16p16 floating point number
- * @return The converted Eina_F8p16 floating point number
- */
static inline Eina_F8p24 eina_f16p16_to_f8p24(Eina_F16p16 a);
#include "eina_inline_f32p32.x"
@@ -485,12 +108,4 @@ static inline Eina_F8p24 eina_f16p16_to_f8p24(Eina_F16p16 a);
#include "eina_inline_f8p24.x"
#include "eina_inline_fp.x"
-/**
- * @}
- */
-
-/**
- * @}
- */
-
#endif