-static const long double
-one = 1.00000000000000000000e+00,
-huge = 1.000e+300;
+static const long double huge = 1.000e+300;
+static const long double pio4_hi = 7.85398163397448309628e-01L;
+#define ASIN_LINEAR (BIAS - 32) /* 2**-32 */
+/* 0.95 */
+#define THRESH ((0xe666666666666666ULL>>(64-(MANH_SIZE-1)))|LDBL_NBIT)