Fix test for x < 1.

diff --git a/sysdeps/libm-ieee754/e_acoshl.c b/sysdeps/libm-ieee754/e_acoshl.c
index 7b7bea70544d83e9ddc5de29a9a7bab9b936d5bf..a60704aa29afbfc7273cf8eaf8abda772b63e898 100644 (file)
--- a/sysdeps/libm-ieee754/e_acoshl.c
+++ b/sysdeps/libm-ieee754/e_acoshl.c
@@ -53,7 +53,7 @@ ln2   = 6.931471805599453094287e-01L; /* 0x3FFE, 0xB17217F7, 0xD1CF79AC */
        long double t;
        u_int32_t se,i0,i1;
        GET_LDOUBLE_WORDS(se,i0,i1,x);
-       if(se<0x3fff) {                 /* x < 1 */
+       if(se<0x3fff || se & 0x8000) {  /* x < 1 */
            return (x-x)/(x-x);
        } else if(se >=0x401b) {        /* x > 2**28 */
            if(se >=0x7fff) {           /* x is inf of NaN */