view dmd/port.h @ 1138:4c8bb03e4fbc

Update DtoConstFP() to be correct after LLVM r67562, which changed the way the APFloat constructor expects its i80 APInts to be formatted. (They're now actually consistent with the x87 format)
author Frits van Bommel <fvbommel wxs.nl>
date Tue, 24 Mar 2009 15:24:59 +0100
parents c53b6e3fe49a
children
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// Copyright (c) 1999-2002 by Digital Mars
// All Rights Reserved
// written by Walter Bright
// www.digitalmars.com

#ifndef PORT_H
#define PORT_H

// Portable wrapper around compiler/system specific things.
// The idea is to minimize #ifdef's in the app code.

#ifndef TYPEDEFS
#define TYPEDEFS

#include <wchar.h>

#if _MSC_VER
typedef __int64 longlong;
typedef unsigned __int64 ulonglong;
#else
typedef long long longlong;
typedef unsigned long long ulonglong;
#endif

#endif

typedef double d_time;

struct Port
{
    static double nan;
    static double infinity;
    static double dbl_max;
    static double dbl_min;

#if __GNUC__
    // These conflict with macros in math.h, should rename them
    #undef isnan
    #undef isfinite
    #undef isinfinity
    #undef signbit
#endif
    static int isNan(double);
    static int isFinite(double);
    static int isInfinity(double);
    static int Signbit(double);

    static double floor(double);
    static double pow(double x, double y);

    static ulonglong strtoull(const char *p, char **pend, int base);

    static char *ull_to_string(char *buffer, ulonglong ull);
    static wchar_t *ull_to_string(wchar_t *buffer, ulonglong ull);

    // Convert ulonglong to double
    static double ull_to_double(ulonglong ull);

    // Get locale-dependent list separator
    static char *list_separator();
    static wchar_t *wlist_separator();
};

#endif