/* * include/bits.h * * This work was supported by the Director, Office of Science, Division * of Mathematical, Information, and Computational Sciences of the * U.S. Department of Energy under contract number DE-AC03-76SF00098. * * Copyright (c) 2000-2001 * * This file defines various routines to get / set bits of a IEEE floating * point number. This is used by the library for debugging purposes. */ #ifndef _QD_BITS_H #define _QD_BITS_H #include #include /* Returns the exponent of the double precision number. Returns INT_MIN is x is zero, and INT_MAX if x is INF or NaN. */ int get_double_expn(double x); /* Prints SIGN EXPN MANTISSA of the given double. If x is NaN, INF, or Zero, this prints out the strings NaN, +/- INF, and 0. */ void print_double_info(std::ostream &os, double x); #endif /* _QD_BITS_H */