[vsipl++] [patch] Issue #88: FIXME: Have cheby use lib functions where possible.

[Jules Bergmann]

Don McCoy wrote:
> The attached patch cleans up some places where inline code was used in 
> place of (formerly) missing library functions.  See 
> https://support.codesourcery.com/VSIPLXX/issue88.

Looks good!  Please check it in. -- Jules