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Subject: [PHP-DEV] Re: bcmod() behavior is different from what I expected
Date: Tue, 23 Jul 2024 12:10:42 +0900
Message-ID: <BB4471D8-90E5-4969-B098-B0319E8E91AB@sakiot.com>
References: <0F3CC580-7A03-4212-A117-715D5B1AA2BD@sakiot.com>
In-Reply-To: <0F3CC580-7A03-4212-A117-715D5B1AA2BD@sakiot.com>
To: PHP Internals <internals@lists.php.net>
From: saki@sakiot.com (Saki Takamachi)

> =EF=BB=BFHi internals,
>=20
> I noticed that `bcmod()` behavior is a little different from what I expect=
ed.
>=20
> First, look at the following code for `bcdiv()`:
> ```
> bcdiv('99', '100', 2); // '0.99'
> ```
>=20
> So what should the following code be?
> ```
> bcmod('99', '100', 2);
> ```
>=20
> The result is `'99.00'`.
> I was expecting `'0.00'` for this. I thought that if gave `bcdiv()` and `b=
cmod()` the exact same arguments, their results would not contradict each ot=
her.
>=20
> To me this is unexpected behaviour, how do you think?
>=20
> Regards,
>=20
> Saki

However, considering the behavior of `fdiv()` and `fmod()`, the current beha=
vior of `bcmod()`may be correct and my thinking may be wrong...

Saki=