/* Wrapper scalbf */
float
__scalbf (float x, float fn)
{
return (__builtin_expect (_LIB_VERSION == _SVID_, 0)
? sysv_scalbf (x, fn)
: __ieee754_scalbf (x, fn));
}
/* Wrapper scalbf */
float
__scalbf (float x, float fn)
{
if (__glibc_unlikely (_LIB_VERSION == _SVID_))
return sysv_scalbf (x, fn);
else
{
float z = __ieee754_scalbf (x, fn);
if (__glibc_unlikely (!isfinite (z) || z == 0.0f))
{
if (isnan (z))
{
if (!isnan (x) && !isnan (fn))
__set_errno (EDOM);
}
else if (isinf (z))
{
if (!isinf (x) && !isinf (fn))
__set_errno (ERANGE);
}
else
{
/* z == 0. */
if (x != 0.0f && !isinf (fn))
__set_errno (ERANGE);
}
}
return z;
}
}
