Re: Random questions

[John W. Eaton]

On 20-Dec-2012, Júlio Hoffimann wrote:

| Hi John,
| 
|     There are two things that this function returns, the stream and the
|     number.  C++ functions can only return one value.  It makes more sense
|     to return the stream directly, so the other is returned by reference
|     in the argument list.
| 
| If you inspect the rest of the code, you'll see single_num() is actually never
| called
| according to it's prototype. I'll produce a patch, unless this is not desired
| for some
| other reason.

I don't see a problem leaving it as it is now.

| performance.html for performance considerations) or be conservative and use
| std::strtod() (http://en.cppreference.com/w/cpp/string/byte/strtof)

Octave's single_num function attempts to handle Inf, NaN, and NA.  I
don't think strtod does that, so it wouldn't be appropriate to replace
single_num with strtod.

jwe