bcround()

bcround()

function bcround(string $num, int $precision = 0, int $mode = 1): string

Rounds an arbitrary-precision decimal number.

Parameters:

• $num (string)
• $precision (int), default 0, optional
• $mode (int), default 1, optional

Returns: string

Availability

• Compiled (AOT): supported by the Elephc code generator.
• eval() (magician interpreter): supported — declarative interpreter builtin (crates/elephc-magician/src/interpreter/builtins/math/bcround.rs).

No examples yet — check examples/ and showcases/ for usage patterns.

Internals

For how bcround is implemented in the compiler, see the internals page.