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-rw-r--r--sysdeps/i386/fpu/libm-test-ulps4
-rw-r--r--sysdeps/ieee754/ldbl-128ibm/e_acoshl.c4
-rw-r--r--sysdeps/x86_64/fpu/libm-test-ulps17
3 files changed, 21 insertions, 4 deletions
diff --git a/sysdeps/i386/fpu/libm-test-ulps b/sysdeps/i386/fpu/libm-test-ulps
index 5e79307f30..0977557f02 100644
--- a/sysdeps/i386/fpu/libm-test-ulps
+++ b/sysdeps/i386/fpu/libm-test-ulps
@@ -21,6 +21,10 @@ Function: "acos_upward":
 ildouble: 1
 ldouble: 1
 
+Function: "acosh":
+ildouble: 1
+ldouble: 1
+
 Function: "acosh_downward":
 ildouble: 2
 ldouble: 2
diff --git a/sysdeps/ieee754/ldbl-128ibm/e_acoshl.c b/sysdeps/ieee754/ldbl-128ibm/e_acoshl.c
index b0b33f7520..cab1da9995 100644
--- a/sysdeps/ieee754/ldbl-128ibm/e_acoshl.c
+++ b/sysdeps/ieee754/ldbl-128ibm/e_acoshl.c
@@ -44,14 +44,14 @@ __ieee754_acoshl(long double x)
 	EXTRACT_WORDS64 (lx, xlo);
 	if(hx<0x3ff0000000000000LL) {		/* x < 1 */
 	    return (x-x)/(x-x);
-	} else if(hx >=0x41b0000000000000LL) {	/* x > 2**28 */
+	} else if(hx >=0x4370000000000000LL) {	/* x >= 2**56 */
 	    if(hx >=0x7ff0000000000000LL) {	/* x is inf of NaN */
 		return x+x;
 	    } else
 		return __ieee754_logl(x)+ln2;	/* acosh(huge)=log(2x) */
 	} else if (((hx-0x3ff0000000000000LL)|(lx&0x7fffffffffffffffLL))==0) {
 	    return 0.0;			/* acosh(1) = 0 */
-	} else if (hx > 0x4000000000000000LL) {	/* 2**28 > x > 2 */
+	} else if (hx > 0x4000000000000000LL) {	/* 2**56 > x > 2 */
 	    t=x*x;
 	    return __ieee754_logl(2.0*x-one/(x+__ieee754_sqrtl(t-one)));
 	} else {			/* 1<x<2 */
diff --git a/sysdeps/x86_64/fpu/libm-test-ulps b/sysdeps/x86_64/fpu/libm-test-ulps
index 36e1b76811..cd9e44f4a4 100644
--- a/sysdeps/x86_64/fpu/libm-test-ulps
+++ b/sysdeps/x86_64/fpu/libm-test-ulps
@@ -29,20 +29,33 @@ ldouble: 1
 
 Function: "acosh":
 double: 1
+float: 1
 idouble: 1
+ifloat: 1
+ildouble: 1
+ldouble: 1
 
 Function: "acosh_downward":
+double: 1
 float: 1
-ildouble: 1
+idouble: 1
+ifloat: 1
+ildouble: 2
 ldouble: 2
 
 Function: "acosh_towardzero":
+double: 1
 float: 1
-ildouble: 1
+idouble: 1
+ifloat: 1
+ildouble: 2
 ldouble: 2
 
 Function: "acosh_upward":
 double: 1
+float: 1
+idouble: 1
+ifloat: 1
 ildouble: 1
 ldouble: 1