stdfix-exp.h File Reference

Exponential functions for fixed point. More...

#include <stdint.h>
#include <stdfix.h>
#include <stdbool.h>
#include <stdfix-full-iso.h>

Go to the source code of this file.

Functions
s1615	expk (s1615 x)
	Fixed point exponential.
u1616	expuk (s1615 x)
	Fixed point exponential.
u032	expulr (s1615 x)
	Fixed point exponential.

Detailed Description

Exponential functions for fixed point.

Author

Dave Lester (david.nosp@m..r.l.nosp@m.ester.nosp@m.@man.nosp@m.chest.nosp@m.er.a.nosp@m.c.uk)

Copyright

© Dave Lester and The University of Manchester, 2013. All rights reserved.
SpiNNaker Project
Advanced Processor Technologies Group
School of Computer Science
The University of Manchester
Manchester M13 9PL, UK

Date

20 February, 2014

Function Documentation

expk()

s1615 expk

(

s1615

x

)

Fixed point exponential.

Parameters

[in]

x

Value to compute the exponential of.

Returns

The best approximation to e^x possible in an s1615

expuk()

u1616 expuk

(

s1615

x

)

Fixed point exponential.

Parameters

[in]

x

Value to compute the exponential of.

Returns

The best approximation to e^x possible in a u1616

expulr()

u032 expulr

(

s1615

x

)

Fixed point exponential.

Parameters

[in]

x

Value to compute the exponential of.

Returns

The best approximation to e^x possible in a u032