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fix acosh for vs2012 and earlier

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This commit is contained in:
Anatol Belski 2014-09-01 15:33:40 +02:00
parent 3aa5583cab
commit f4ed876db1
1 changed files with 8 additions and 0 deletions
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8
ext/standard/math.c
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@ -240,7 +240,15 @@ static double php_acosh(double x)
#ifdef HAVE_ACOSH
return(acosh(x));
#else
# ifdef _WIN64
if (x >= 1) {
return log(x + sqrt(x * x - 1));
} else {
return (DBL_MAX+DBL_MAX)-(DBL_MAX+DBL_MAX);
}
# else
return(log(x + sqrt(x * x - 1)));
# endif
#endif
}
/* }}} */