Natural Logarithmic

Collaboration diagram for Natural Logarithmic:

Functions
f32_t	tpt_log_f32 (f32_t aInData)
	Calculate the natural logarithm value of f32 input. More...
f64_t	tpt_log_f64 (f64_t aInData)
	Calculate the natural logarithm value of f64 input. More...
q15_t	tpt_log_q15 (q15_t aInData)
	Calculate the natural logarithm value of q15 input. More...
q31_t	tpt_log_q31 (q31_t aInData)
	Calculate the natural logarithm value of q31 input. More...

Detailed Description

This function calculates the natural log value of the input value. The input value must large than zero.

TPT DSP library supports distinct natural logarithmic functions for single- and half-precision floating-point data types. These functions are introduced in the subsections below.

Function Documentation

tpt_log_f32()

f32_t tpt_log_f32

(

f32_t

aInData

)

Calculate the natural logarithm value of f32 input.

Parameters

[in]

aInData

input value

Returns

f32_t natural logarithm value of the input

tpt_log_f64()

f64_t tpt_log_f64

(

f64_t

aInData

)

Calculate the natural logarithm value of f64 input.

Parameters

[in]

aInData

input value

Returns

f64_t natural logarithm value of the input

tpt_log_q15()

q15_t tpt_log_q15

(

q15_t

aInData

)

Calculate the natural logarithm value of q15 input.

Parameters

[in]

aInData

input value

Returns

q15_t natural logarithm value of the input

tpt_log_q31()

q31_t tpt_log_q31

(

q31_t

aInData

)

Calculate the natural logarithm value of q31 input.

Parameters

[in]

aInData

input value

Returns

q31_t natural logarithm value of the input