diff options
Diffstat (limited to 'ext')
| -rw-r--r-- | ext/standard/math.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/ext/standard/math.c b/ext/standard/math.c index 665822c035..c957ca4698 100644 --- a/ext/standard/math.c +++ b/ext/standard/math.c @@ -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 } /* }}} */ |