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description title ms.date api_name api_location api_type topic_type f1_keywords helpviewer_keywords ms.assetid
Learn more about: _CIlog
_CIlog
4/2/2020
_CIlog
_o__CIlog
msvcr90.dll
msvcr120.dll
msvcr80.dll
msvcr110.dll
msvcr110_clr0400.dll
msvcr100.dll
msvcrt.dll
api-ms-win-crt-math-l1-1-0.dll
DLLExport
apiref
_CIlog
CIlog
_CIlog intrinsic
CIlog intrinsic
23503854-ddaa-4fe0-a4a3-7fbb3a43bdec

_CIlog

Calculates the natural logarithm of the top value in the stack.

Syntax

void __cdecl _CIlog();

Remarks

This version of the log function has a specialized calling convention that the compiler understands. It speeds up the execution because it prevents copies from being generated and helps with register allocation.

The resulting value is pushed onto the top of the stack.

By default, this function's global state is scoped to the application. To change this behavior, see Global state in the CRT.

Requirements

Platform: x86

See also

Alphabetical function reference
log, logf, log10, log10f