foxmath.c File Reference

mathlib function implementations More...

#include "foxmath.h"

Include dependency graph for foxmath.c:

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Functions
float	MATH_linearInterpolation (float x1, float y1, float x2, float y2, float x_interpolate)
	Linear inter-/extrapolates a third point according to two given points. More...
uint16_t	MATH_swapBytes_uint16_t (uint16_t val)
	Swap bytes of uint16_t value. More...
uint32_t	MATH_swapBytes_uint32_t (uint32_t val)
	Swap bytes of uint32_t value. More...
uint64_t	MATH_swapBytes_uint64_t (uint64_t val)
	Swap bytes of uint64_t value. More...
float	MATH_MinimumOfTwoFloats (float value1, float value2)
	Returns the minimum of the passed float values. More...
uint8_t	MATH_MinimumOfTwoUint8_t (uint8_t value1, uint8_t value2)
	Returns the minimum of the passed uint8_t values. More...
uint16_t	MATH_MinimumOfTwoUint16_t (uint16_t value1, uint16_t value2)
	Returns the minimum of the passed uint16_t values. More...
int32_t	MATH_AbsInt32 (int32_t value)
	Returns the absolute value of passed int32_t value. More...
int64_t	MATH_AbsInt64 (int64_t value)
	Returns the absolute value of passed int64_t value. More...

Detailed Description

mathlib function implementations

Copyright

© 2010 - 2021, Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V. All rights reserved.

SPDX-License-Identifier: BSD-3-Clause

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Author

foxBMS Team

Date

2018-01-18 (date of creation)

Updated

2021-07-15 (date of last update)

Prefix

MATH

Definition in file foxmath.c.

Function Documentation

MATH_AbsInt32()

int32_t MATH_AbsInt32

(

int32_t

value

)

Returns the absolute value of passed int32_t value.

Parameters

[in]

value

integer value

Returns

absolute value or INT32_MAX if INT32_MIN is passed

Definition at line 117 of file foxmath.c.

MATH_AbsInt64()

int64_t MATH_AbsInt64

(

int64_t

value

)

Returns the absolute value of passed int64_t value.

Parameters

[in]

value

integer value

Returns

absolute value or INT64_MAX if INT64_MIN is passed

Definition at line 125 of file foxmath.c.

MATH_linearInterpolation()

float MATH_linearInterpolation	(	float	x1,
		float	y1,
		float	x2,
		float	y2,
		float	x_interpolate
	)

Linear inter-/extrapolates a third point according to two given points.

Parameters

x1	x-value of point 1
y1	y-value of point 1
x2	x-value of point 2
y2	y-value of point 2
x_interpolate	x value of interpolation point

Returns

interpolated value (float)

Definition at line 69 of file foxmath.c.

MATH_MinimumOfTwoFloats()

float MATH_MinimumOfTwoFloats	(	float	value1,
		float	value2
	)

Returns the minimum of the passed float values.

Parameters

[in]	value1	value 1
[in]	value2	value 2

Returns

minimum value

Definition at line 101 of file foxmath.c.

MATH_MinimumOfTwoUint16_t()

uint16_t MATH_MinimumOfTwoUint16_t	(	uint16_t	value1,
		uint16_t	value2
	)

Returns the minimum of the passed uint16_t values.

Parameters

[in]	value1	value 1
[in]	value2	value 2

Returns

minimum value

Definition at line 109 of file foxmath.c.

MATH_MinimumOfTwoUint8_t()

uint8_t MATH_MinimumOfTwoUint8_t	(	uint8_t	value1,
		uint8_t	value2
	)

Returns the minimum of the passed uint8_t values.

Parameters

[in]	value1	value 1
[in]	value2	value 2

Returns

minimum value

Definition at line 105 of file foxmath.c.

MATH_swapBytes_uint16_t()

uint16_t MATH_swapBytes_uint16_t

(

uint16_t

val

)

Swap bytes of uint16_t value.

Parameters

val	value to swap bytes: 0x1234 -> 0x3412

Definition at line 86 of file foxmath.c.

MATH_swapBytes_uint32_t()

uint32_t MATH_swapBytes_uint32_t

(

uint32_t

val

)

Swap bytes of uint32_t value.

Parameters

val	value to swap bytes: 0x12345678 -> 0x78563412

Definition at line 90 of file foxmath.c.

MATH_swapBytes_uint64_t()

uint64_t MATH_swapBytes_uint64_t

(

uint64_t

val

)

Swap bytes of uint64_t value.

Parameters

val	value to swap bytes: 0x1122334455667788 -> 0x8877665544332211

Definition at line 95 of file foxmath.c.