Re: v13 Compiled vs Interp execution

2018-02-22 Thread Keisuke Miyako via 4D_Tech 
number literals are always typed real, regardless of decimals.

http://doc.4d.com/4Dv15/4D/15.5/Constants.300-3577854.en.html

you could code hexadecimals to enforce integer

0x01

but that's kind of nerdy...

predefined constants are also pre-typed.

http://doc.4d.com/4Dv15/4D/15.5/Optimization-Hints.300-3577824.en.html

by the way, you don't have to explicitly declare iterators (For/End for) 
because an integer is implied (unless declared otherwise).



On Feb 23, 2018, at 09:27, Chuck Miller via 4D_Tech 
<4d_tech@lists.4d.com> wrote:
I think it will work even without the .0

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Re: v13 Compiled vs Interp execution

2018-02-22 Thread Chuck Miller via 4D_Tech 
As an aside I would use a local variable so command would look like this
c_real($MyNumber_R)
$MyNumber_R:=500.0
$real:=2*(MAXLONG-$MyNumber_R)

I do this so that 4D does not reset results based upon what it thinks it should 
do

I think it will work even without the .0

Regards

Chuck

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> On Feb 22, 2018, at 12:53 PM, Timothy Penner via 4D_Tech 
> <4d_tech@lists.4d.com> wrote:
> 
> I think that using the MAXLONG constant is causing the value to be treated as 
> a longint.
> $Real := 2 * (MAXLONG - 500)
> 
> If you replace the MAXLONG constant with a value you get the correct result:
> $Real := 2 * (2147483647 - 500)
> 
> Interestingly, you can keep using the MAXLONG constant if you do something 
> like this:
> $Real := 2 * (MAXLONG - 500.1)

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RE: v13 Compiled vs Interp execution

2018-02-22 Thread Chip Scheide via 4D_Tech 

Thanks!

> I think that using the MAXLONG constant is causing the value to be 
> treated as a longint.
> $Real := 2 * (MAXLONG - 500)
> 
> If you replace the MAXLONG constant with a value you get the correct result:
> $Real := 2 * (2147483647 - 500)
> 
> Interestingly, you can keep using the MAXLONG constant if you do 
> something like this:
> $Real := 2 * (MAXLONG - 500.1)
> 
> 
> 
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RE: v13 Compiled vs Interp execution

2018-02-22 Thread Timothy Penner via 4D_Tech 
I think that using the MAXLONG constant is causing the value to be treated as a 
longint.
$Real := 2 * (MAXLONG - 500)

If you replace the MAXLONG constant with a value you get the correct result:
$Real := 2 * (2147483647 - 500)

Interestingly, you can keep using the MAXLONG constant if you do something like 
this:
$Real := 2 * (MAXLONG - 500.1)



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Re: v13 Compiled vs Interp execution

2018-02-22 Thread Chip Scheide via 4D_Tech 
yes $real is declared as Real.
That is the first thing I checked  :)


> Do you have a C_REAL($Real) line in your code? The compiler might be 
> typing that variable as a longint.
> 
> Dani
> 
>> On Feb 22, 2018, at 10:14 AM, Chip Scheide via 4D_Tech 
>> <4d_tech@lists.4d.com> wrote:
>> 
>> I have code that converts a value from REAL to Hex.
>> as part of my test routines, maximum value convertible is Maxlong 
>> (php routine)
>> I set the value to convert to (to test out of range error):
>> $Real := 2 * (MAXLONG - 500)
>> $Real := 2 * (2147483647 - 500) 
>> $Real := 2 * (2142483647)
>> $Real := 4284967294
>> 
>> interpretedly, this is correct, as this is the value given by - 
>> string($Real)
>> 
>> Compiled - the same code
>> String($Real) = -1002
>> 
>> Anyone have an explanation??
>> 
>> Thanks
>> Chip
>> 
>> 
>> 
>> Hell is other people 
>> Jean-Paul Sartre
>> **
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> 
> 

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Re: v13 Compiled vs Interp execution

2018-02-22 Thread Dani Beaubien via 4D_Tech 
Do you have a C_REAL($Real) line in your code? The compiler might be typing 
that variable as a longint.

Dani

> On Feb 22, 2018, at 10:14 AM, Chip Scheide via 4D_Tech <4d_tech@lists.4d.com> 
> wrote:
> 
> I have code that converts a value from REAL to Hex.
> as part of my test routines, maximum value convertible is Maxlong (php 
> routine)
> I set the value to convert to (to test out of range error):
> $Real := 2 * (MAXLONG - 500)
> $Real := 2 * (2147483647 - 500) 
> $Real := 2 * (2142483647)
> $Real := 4284967294
> 
> interpretedly, this is correct, as this is the value given by - string($Real)
> 
> Compiled - the same code
> String($Real) = -1002
> 
> Anyone have an explanation??
> 
> Thanks
> Chip
> 
> 
> 
> Hell is other people 
> Jean-Paul Sartre
> **
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