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read: fix long-double error reporting

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This repair corrects an ocassional test failure in the `read`
test suite.
This commit is contained in:
Matthew Flatt 2014-07-08 08:00:16 +01:00
parent 87c34b1023
commit 139452dcc2
1 changed files with 8 additions and 6 deletions
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14
racket/src/racket/src/numstr.c
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@ -999,14 +999,16 @@ Scheme_Object *scheme_read_number(const mzchar *str, intptr_t len,
stxsrc, line, col, pos, span,
indentation);
if (!SCHEME_LONG_DBLP(n2))
if (!SCHEME_LONG_DBLP(n2)) {
n2 = scheme_exact_to_inexact(1, &n2); /* uses default conversion: float or double */
d2 = SCHEME_FLOAT_VAL(n2);
/* This +nan.0 test looks unnecessary -- Matthew, 08/14/01 */
if (MZ_IS_NAN(d2))
return scheme_false;
d2 = SCHEME_FLOAT_VAL(n2);
/* This +nan.0 test looks unnecessary -- Matthew, 08/14/01 */
if (MZ_IS_NAN(d2))
return scheme_false;
} else
d2 = 0.0; /* not used; will signal error later */
n1 = scheme_read_number(first, has_at - delta,
is_float, is_not_float, decimal_means_float,