sparc, ia64: Compute cos(M_PI_2l) for your 128-bit long double please.

[Rich Felker]

On Thu, Apr 11, 2013 at 03:06:47PM +0200, Andreas Schwab wrote:
> Rich Felker <dalias@aerifal.cx> writes:
> 
> > I would just use something like "%.100000g\n".
> 
> If you use %g you need at most DECIMAL_DIG digits.

No, that's wrong. DECIMAL_DIG is sufficient if you want to round-trip
the value back. But here we want to print the exact value in order to
use an external tool to apply cos() to that value.

Rich