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0cd519971d
Nowadays .elc files routinely contain tokens like 1.0e+INF and 0.0e+NaN that do not work on antiques like the VAX that lack IEEE fp. Port Emacs to these platforms, by treating infinities as extreme values and NaNs as strings that trap if used numerically. * src/lread.c (INFINITY): Default to HUGE_VAL if non-IEEE. (not_a_number) [!IEEE_FLOATING_POINT]: New static array. (syms_of_lread) [!IEEE_FLOATING_POINT]: Initialize it. (read0): Report invalid syntax for +0.0e+NaN on platforms that lack NaNs. (string_to_number): On non-IEEE platforms, return HUGE_VAL for infinity and a string for NaN. All callers changed. |
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