log

Evaluate the natural logarithm. More...

Functions
AFAPI array	log (const array &in)
	C++ Interface to evaluate the natural logarithm. More...
AFAPI af_err	af_log (af_array *out, const af_array in)
	C Interface to evaluate the natural logarithm. More...

Detailed Description

Evaluate the natural logarithm.

Function Documentation

af_log()

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

C Interface to evaluate the natural logarithm.

Parameters

[out]	out	natural logarithm
[in]	in	input array

Returns

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

log()

AFAPI array af::log

(

const array &

in

)

C++ Interface to evaluate the natural logarithm.

Parameters

[in]

in

input array

Returns

natural logarithm

Examples:

financial/black_scholes_options.cpp, financial/heston_model.cpp, machine_learning/logistic_regression.cpp, machine_learning/naive_bayes.cpp, and machine_learning/softmax_regression.cpp.