On Saturday, 8 June 2024 at 13:19:30 UTC, Eric P626 wrote:
I managed to create a random number generator using the
following code:
~~~
auto rng = Random(42);
//
uniform(0,10,rng);
~~~
Now I want to seed the generator using system time. I looked at
Date & time functions/classes and systime
On Sunday, 9 June 2024 at 23:31:47 UTC, drug007 wrote:
```d
const seed = cast(uint) Clock.currStdTime;
```
Casting like this looks nice. It fits my type of thinking.
On 09.06.2024 16:37, Eric P626 wrote:
On Saturday, 8 June 2024 at 18:25:20 UTC, drug007 wrote:
~~~
{
const seed = castFrom!long.to!uint(Clock.currStdTime);
auto rng = Random(seed);
auto result = generate!(() => uniform(0, 10, rng))().take(7);
// new random number
On Sunday, 9 June 2024 at 07:11:22 UTC, Eric P626 wrote:
On Saturday, 8 June 2024 at 21:04:16 UTC, monkyyy wrote:
generate is a very rare function and do novices understand
lamdas?
Yes I know lamdas, but try not to use them.
I am not very picky about the exact source of time, I just want
a d
On Sunday, 9 June 2024 at 13:20:09 UTC, Joseph Rushton Wakeling
wrote:
On Saturday, 8 June 2024 at 16:09:04 UTC, monkyyy wrote:
rng is an optional parameter, `uniform(0,100).writeln;` alone
works; the docs not telling you that is really bad
The docs do tell you that `rng` is an optional parame
On Saturday, 8 June 2024 at 18:25:20 UTC, drug007 wrote:
~~~
{
const seed = castFrom!long.to!uint(Clock.currStdTime);
auto rng = Random(seed);
auto result = generate!(() => uniform(0, 10,
rng))().take(7);
// new random numbers sequence every time
res
On Saturday, 8 June 2024 at 16:09:04 UTC, monkyyy wrote:
rng is an optional parameter, `uniform(0,100).writeln;` alone
works; the docs not telling you that is really bad
The docs do tell you that `rng` is an optional parameter of
`uniform`:
https://dlang.org/phobos/std_random.html#uniform
Ho
On Saturday, 8 June 2024 at 13:19:30 UTC, Eric P626 wrote:
Now I want to seed the generator using system time.
Just to be clear, do you _specifically_ want to use the system
time, or are you aiming to use the system time to generate
different seeds for each run?
If the latter you might pref
On Saturday, 8 June 2024 at 21:04:16 UTC, monkyyy wrote:
generate is a very rare function and do novices understand
lamdas?
Yes I know lamdas, but try not to use them.
I am not very picky about the exact source of time, I just want a
different integer every time I run the program. But while l
On Saturday, 8 June 2024 at 20:53:02 UTC, Nick Treleaven wrote:
On Saturday, 8 June 2024 at 16:09:04 UTC, monkyyy wrote:
rng is an optional parameter, `uniform(0,100).writeln;` alone
works; the docs not telling you that is really bad
They do tell you:
urng (optional) random number generator
On Saturday, 8 June 2024 at 16:09:04 UTC, monkyyy wrote:
rng is an optional parameter, `uniform(0,100).writeln;` alone
works; the docs not telling you that is really bad
They do tell you:
urng (optional) random number generator to use; if not
specified, defaults to rndGen
That overload is
On Saturday, 8 June 2024 at 18:25:20 UTC, drug007 wrote:
```d
{
const seed = castFrom!long.to!uint(Clock.currStdTime);
auto rng = Random(seed);
auto result = generate!(() => uniform(0, 10,
rng))().take(7);
// new random numbers sequence every time
re
On 08.06.2024 16:19, Eric P626 wrote:
I managed to create a random number generator using the following code:
~~~
auto rng = Random(42);
//
uniform(0,10,rng);
~~~
Now I want to seed the generator using system time. I looked at Date &
time functions/classes and systime functions/classes. Th
On Saturday, 8 June 2024 at 13:19:30 UTC, Eric P626 wrote:
I managed to create a random number generator using the
following code:
~~~
auto rng = Random(42);
//
uniform(0,10,rng);
~~~
Now I want to seed the generator using system time. I looked at
Date & time functions/classes and systime
On Saturday, 8 June 2024 at 13:19:30 UTC, Eric P626 wrote:
I just want the number of seconds elapsed since jan 1st 1970.
In other words, the internal system clock value.
#unix #time
@SDB79
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