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f489b5943c
* libc/stdlib/Makefile.am: Add new gdtoa routines.
* libc/stdlib/Makefile.in: Regenerated.
* libc/stdlib/gd_qnan.h: New file.
* libc/stdlib/gdtoa-gethex.c: Ditto.
* libc/stdlib/gdtoa-hexnan.c: Ditto.
* libc/stdlib/gdtoa.h: Ditto.
* libc/stdlib/mprec.c: Add new helper routines needed by
the new gdtoa code.
* libc/stdlib/mprec.h: Integrate some defines and prototypes
used by gdtoa routines here.
* libc/stdlib/strtod.c: Rebased on David M. Gay's gdtoa-strtod.c
which adds C99 support such as nan, inf, and hexadecimal input
format.
34 lines
679 B
C
34 lines
679 B
C
#ifdef __IEEE_BIG_ENDIAN
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#define f_QNAN 0x7fc00000
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#define d_QNAN0 0x7ff80000
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#define d_QNAN1 0x0
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#define ld_QNAN0 0x7ff80000
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#define ld_QNAN1 0x0
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#define ld_QNAN2 0x0
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#define ld_QNAN3 0x0
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#define ldus_QNAN0 0x7ff8
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#define ldus_QNAN1 0x0
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#define ldus_QNAN2 0x0
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#define ldus_QNAN3 0x0
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#define ldus_QNAN4 0x0
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#elif defined(__IEEE_LITTLE_ENDIAN)
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#define f_QNAN 0xffc00000
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#define d_QNAN0 0x0
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#define d_QNAN1 0xfff80000
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#define ld_QNAN0 0x0
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#define ld_QNAN1 0xc0000000
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#define ld_QNAN2 0xffff
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#define ld_QNAN3 0x0
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#define ldus_QNAN0 0x0
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#define ldus_QNAN1 0x0
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#define ldus_QNAN2 0x0
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#define ldus_QNAN3 0xc000
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#define ldus_QNAN4 0xffff
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#else
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#error IEEE endian not defined
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#endif
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