Atanh

Function Atanh

The Atanh function computes an inverse hyperbolic tangent of real vector elements.

Performance:

		Intel(R) Xeon(R) processor 5100 Series	45nm Intel(R) Core(TM)2 Duo Processor	Intel(R) Itanium(R) 2 processor
single	HA	19.73	19.30	12.31
	LA	11.83	11.66	12.31
	EP	8.55	8.63	12.31
double	HA	48.20	40.32	19.59
	LA	41.85	40.32	19.36
	EP	41.85	38.45	19.36

Notes:
1) Units - CPE (Clocks per Element)
2) Performance was measured on "working" interval (double precision: [ -5.0 ; +5.0 ]; single precision: [ -5.0 ; +5.0 ])
3) Data - vectors of 1000 elements with random generated numbers.

Accuracy:

		Intel(R) Xeon(R) processor 5100 Series	45nm Intel(R) Core(TM)2 Duo Processor	Intel(R) Itanium(R) 2 processor
single	HA	0.78	0.78	0.50
	LA	2.37	2.97	0.50
	EP	2.26E+03	2.26E+03	0.51
double	HA	0.51	0.50	0.50
	LA	1.97	1.97	0.50
	EP	2.22	2.22	0.50

Note: Units - ULP (Units in The Last Place).

Performance Graphs:

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