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patch 8.0.0158: float funcion test fails on MS-Windows

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Problem:    On MS-Windows some float functions return a different value when
            passed unusual values.  strtod() doesn't work for "inf" and "nan".
Solution:   Accept both results.  Fix str2float() for MS-Windows.  Also
            reorder assert function arguments.
This commit is contained in:
Bram Moolenaar
2017-01-08 19:25:40 +01:00
parent 2d02839050
commit 6247361101
3 changed files with 175 additions and 153 deletions
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16
src/eval.c
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@@ -5971,6 +5971,22 @@ string2float(
char *s = (char *)text;
float_T f;
/* MS-Windows does not deal with "inf" and "nan" properly. */
if (STRNICMP(text, "inf", 3) == 0)
{
*value = INFINITY;
return 3;
}
if (STRNICMP(text, "-inf", 3) == 0)
{
*value = -INFINITY;
return 4;
}
if (STRNICMP(text, "nan", 3) == 0)
{
*value = NAN;
return 3;
}
f = strtod(s, &s);
*value = f;
return (int)((char_u *)s - text);