2 Cephes Math Library Release 2.7: May, 1998
3 Copyright 1984, 1987, 1988, 1992, 1998 by Stephen L. Moshier
5 Extracted from floorl.387 for use in libmingwex.a by
6 Danny Smith <dannysmith@users.sourceforge.net>
11 * frexpl(long double x, int* expnt) extracts the exponent from x.
12 * It returns an integer power of two to expnt and the significand
13 * between 0.5 and 1 to y. Thus x = y * 2**expn.