ra8_freestanding_math.c File Reference

Project-owned freestanding integer math primitive (abs). More...

#include "ra8_freestanding.h"

Include dependency graph for ra8_freestanding_math.c:

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Functions
int	abs (int j)
	Compute absolute value of integer.

Detailed Description

Project-owned freestanding integer math primitive (abs).

Tag

[Ring 0 / Foundation] {World: Dual}

Standard ISO C integer absolute value primitives implemented directly for target firmware without libc or newlib dependencies.

Copyright

Copyright (c) 2026 Brighton Sikarskie SPDX-License-Identifier: MIT

Since

0.1.0

Definition in file ra8_freestanding_math.c.

Function Documentation

abs()

int abs

(

int

j

)

Compute absolute value of integer.

Returns the non-negative magnitude of j.

Parameters

[in]

j

Signed integer value.

Returns

Absolute value of j.

Return values

value

Non-negative integer.

Precondition

j is not INT_MIN.

Standard two's complement integer environment.

Postcondition

Returned value is non-negative.

Input j is unmodified.

Note

Pure arithmetic function; never allocates; reentrant and thread-safe.

Since

0.1.0

Definition at line 34 of file ra8_freestanding_math.c.

Referenced by internal_emit_hit(), internal_emit_tag_url(), and sh_src_string().