Bug #5469 ยป 20111021-infinity-nan.patch
include/ruby/missing.h (working copy) | ||
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RUBY_EXTERN double cbrt(double);
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#endif
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#if !defined(INFINITY) || !defined(NAN)
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union bytestream4_or_float {
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unsigned char stream[4];
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float float_value;
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};
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#endif
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#ifdef INFINITY
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# define HAVE_INFINITY
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#else
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/** @internal */
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RUBY_EXTERN const unsigned char rb_infinity[];
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# define INFINITY (*(float *)rb_infinity)
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RUBY_EXTERN const union bytestream4_or_float rb_infinity;
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# define INFINITY (rb_infinity.float_value)
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#endif
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#ifdef NAN
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# define HAVE_NAN
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#else
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/** @internal */
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RUBY_EXTERN const unsigned char rb_nan[];
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# define NAN (*(float *)rb_nan)
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RUBY_EXTERN const union bytestream4_or_float rb_nan;
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# define NAN (rb_nan.float_value)
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#endif
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#ifndef isinf
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numeric.c (working copy) | ||
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#ifdef HAVE_INFINITY
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#elif !defined(WORDS_BIGENDIAN) /* BYTE_ORDER == LITTLE_ENDIAN */
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const unsigned char rb_infinity[] = "\x00\x00\x80\x7f";
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const union bytestream4_or_float rb_infinity = { 0x00, 0x00, 0x80, 0x7f };
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#else
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const unsigned char rb_infinity[] = "\x7f\x80\x00\x00";
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const union bytestream4_or_float rb_infinity = { 0x7f, 0x80, 0x00, 0x00 };
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#endif
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#ifdef HAVE_NAN
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#elif !defined(WORDS_BIGENDIAN) /* BYTE_ORDER == LITTLE_ENDIAN */
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const unsigned char rb_nan[] = "\x00\x00\xc0\x7f";
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const union bytestream4_or_float rb_nan = { 0x00, 0x00, 0xc0, 0x7f };
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#else
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const unsigned char rb_nan[] = "\x7f\xc0\x00\x00";
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const union bytestream4_or_float rb_nan = { 0x7f, 0xc0, 0x00, 0x00 };
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#endif
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#ifndef HAVE_ROUND
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