X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=src%2Fmath%2Facosl.c;h=83857d49b44f0bd68e44f5d69e0790cb81576a29;hb=ab1772c597ba8fe0c26400256b12d7a4df23880e;hp=510e16f10db89fa4c723cec51af045014923764d;hpb=9e2a895aaaa4a3985e94ae4f3e24c1af65f9bb34;p=musl

diff --git a/src/math/acosl.c b/src/math/acosl.c
index 510e16f1..83857d49 100644
--- a/src/math/acosl.c
+++ b/src/math/acosl.c
@@ -23,22 +23,7 @@ long double acosl(long double x)
 }
 #elif (LDBL_MANT_DIG == 64 || LDBL_MANT_DIG == 113) && LDBL_MAX_EXP == 16384
 #include "__invtrigl.h"
-
-static const long double
-one = 1.00000000000000000000e+00;
-
-// FIXME
-//#ifdef __i386__
-/* XXX Work around the fact that gcc truncates long double constants on i386 */
-static const volatile double
-pi1 = 3.14159265358979311600e+00, /* 0x1.921fb54442d18p+1 */
-pi2 = 1.22514845490862001043e-16; /* 0x1.1a80000000000p-53 */
-#define pi ((long double)pi1 + pi2)
-//#else
-#if 0
-static const long double
-pi = 3.14159265358979323846264338327950280e+00L;
-#endif
+#define ACOS_CONST      (BIAS - 65)     /* 2**-65 */
 
 long double acosl(long double x)
 {
@@ -54,7 +39,8 @@ long double acosl(long double x)
 			if (expsign > 0)
 				return 0.0;  /* acos(1) = 0 */
 			else
-				return pi + 2.0 * pio2_lo;  /* acos(-1)= pi */
+				// FIXME
+				return pi_hi + 2.0 * pio2_lo;  /* acos(-1)= pi */
 		}
 		return (x - x) / (x - x);  /* acos(|x|>1) is NaN */
 	}
@@ -67,15 +53,15 @@ long double acosl(long double x)
 		r = p / q;
 		return pio2_hi - (x - (pio2_lo - x * r));
 	} else if (expsign < 0) {  /* x < -0.5 */
-		z = (one + x) * 0.5;
+		z = (1.0 + x) * 0.5;
 		p = P(z);
 		q = Q(z);
 		s = sqrtl(z);
 		r = p / q;
 		w = r * s - pio2_lo;
-		return pi - 2.0 * (s + w);
+		return pi_hi - 2.0 * (s + w);
 	} else {                   /* x > 0.5 */
-		z = (one - x) * 0.5;
+		z = (1.0 - x) * 0.5;
 		s = sqrtl(z);
 		u.e = s;
 		u.bits.manl = 0;