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deprecate +nan.1

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* libguile/numbers.c (mem2ureal): Deprecate nan values that are not
  "+nan.0".
This commit is contained in:
Andy Wingo 2011-09-03 18:37:51 +02:00
parent df08fc359c
commit 5f237d6e0e
1 changed files with 10 additions and 1 deletions
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11
libguile/numbers.c
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@ -5716,7 +5716,16 @@ mem2ureal (SCM mem, unsigned int *p_idx,
/* Cobble up the fractional part. We might want to set the /* Cobble up the fractional part. We might want to set the
NaN's mantissa from it. */ NaN's mantissa from it. */
idx += 4; idx += 4;
mem2uinteger (mem, &idx, 10, &implicit_x); if (mem2uinteger (mem, &idx, 10, &implicit_x) != 0)
{
#if SCM_ENABLE_DEPRECATED == 1
scm_c_issue_deprecation_warning
("Non-zero suffixes to `+nan.' are deprecated. Use `+nan.0'.");
#else
return SCM_BOOL_F;
#endif
}
*p_idx = idx; *p_idx = idx;
return scm_nan (); return scm_nan ();
} }