log1p

Evaluate the natural logarithm of 1 + input, ln(1+in). More...

Functions
AFAPI array	log1p (const array &in)
	C++ Interface to evaluate the natural logarithm of 1 + input, ln(1+in). More...
AFAPI af_err	af_log1p (af_array *out, const af_array in)
	C Interface to evaluate the natural logarithm of 1 + input, ln(1+in). More...

Detailed Description

Evaluate the natural logarithm of 1 + input, ln(1+in).

Note

This function only supports real inputs; complex inputs are not yet supported.

Function Documentation

af_log1p()

AFAPI af_err af_log1p	(	af_array *	out,
		const af_array	in
	)

C Interface to evaluate the natural logarithm of 1 + input, ln(1+in).

Parameters

[out]	out	logarithm of in + 1
[in]	in	input array

Returns

AF_SUCCESS, if function returns successfully, else an af_err code is given

log1p()

AFAPI array log1p

(

const array &

in

)

C++ Interface to evaluate the natural logarithm of 1 + input, ln(1+in).

This function is useful when in is small.

Parameters

[in]

in

input

Returns

natural logarithm of 1 + input