_logbf.c File Reference

#include "libm.h"

Include dependency graph for _logbf.c:

Go to the source code of this file.

Functions
_Check_return_ float __cdecl	_logbf (_In_ float x)

Function Documentation

_logbf()

_Check_return_ float __cdecl _logbf

(

_In_ float

x

)

Definition at line 14 of file _logbf.c.

{
    /* Infinities come back unchanged, logb would make -inf positive */
    if ((asuint(x) & 0x7FFFFFFF) == 0x7F800000)
        return x;
 
    return (float)logb((double)x);
}