2 * Copyright (c) 1988, 1993
3 * The Regents of the University of California. All rights reserved.
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14 * may be used to endorse or promote products derived from this software
15 * without specific prior written permission.
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29 * @(#)mathimpl.h 8.1 (Berkeley) 6/4/93
30 * $FreeBSD: head/lib/msun/bsdsrc/mathimpl.h 152566 2005-11-18 05:03:12Z bde $
37 #include "../src/math_private.h"
40 * TRUNC() is a macro that sets the trailing 27 bits in the mantissa of an
41 * IEEE double variable to zero. It must be expression-like for syntactic
42 * reasons, and we implement this expression using an inline function
43 * instead of a pure macro to avoid depending on the gcc feature of
44 * statement-expressions.
46 #define TRUNC(d) (_b_trunc(&(d)))
49 _b_trunc(volatile double *_dp)
53 GET_LOW_WORD(_lw, *_dp);
54 SET_LOW_WORD(*_dp, _lw & 0xf8000000);
63 * Functions internal to the math package, yet not static.
65 double __exp__D(double, double);
66 struct Double __log__D(double);
68 #endif /* !_MATHIMPL_H_ */