1 files changed, 87 insertions, 0 deletions
diff --git a/lib/libm/__sinl.c b/lib/libm/__sinl.c
new file mode 100644
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--- /dev/null
+++ b/lib/libm/__sinl.c
@@ -0,0 +1,87 @@
+/* origin: FreeBSD /usr/src/lib/msun/ld80/k_sinl.c */
+/* origin: FreeBSD /usr/src/lib/msun/ld128/k_sinl.c */
+/*
+ * ====================================================
+ * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
+ * Copyright (c) 2008 Steven G. Kargl, David Schultz, Bruce D. Evans.
+ *
+ * Developed at SunSoft, a Sun Microsystems, Inc. business.
+ * Permission to use, copy, modify, and distribute this
+ * software is freely granted, provided that this notice
+ * is preserved.
+ * ====================================================
+ */
+
+#include "libm.h"
+
+#if (LDBL_MANT_DIG == 64 || LDBL_MANT_DIG == 113) && LDBL_MAX_EXP == 16384
+#if LDBL_MANT_DIG == 64
+/*
+ * ld80 version of __sin.c.  See __sin.c for most comments.
+ */
+/*
+ * Domain [-0.7854, 0.7854], range ~[-1.89e-22, 1.915e-22]
+ * |sin(x)/x - s(x)| < 2**-72.1
+ *
+ * See __cosl.c for more details about the polynomial.
+ */
+static const long double S1 = -0.166666666666666666671L; /* -0xaaaaaaaaaaaaaaab.0p-66
+							  */
+static const double S2 = 0.0083333333333333332, /*  0x11111111111111.0p-59 */
+	S3 = -0.00019841269841269427,		/* -0x1a01a01a019f81.0p-65 */
+	S4 = 0.0000027557319223597490,		/*  0x171de3a55560f7.0p-71 */
+	S5 = -0.000000025052108218074604,	/* -0x1ae64564f16cad.0p-78 */
+	S6 = 1.6059006598854211e-10,		/*  0x161242b90243b5.0p-85 */
+	S7 = -7.6429779983024564e-13,		/* -0x1ae42ebd1b2e00.0p-93 */
+	S8 = 2.6174587166648325e-15;		/*  0x179372ea0b3f64.0p-101 */
+#define POLY(z) \
+	(S2 + z * (S3 + z * (S4 + z * (S5 + z * (S6 + z * (S7 + z * S8))))))
+#elif LDBL_MANT_DIG == 113
+/*
+ * ld128 version of __sin.c.  See __sin.c for most comments.
+ */
+/*
+ * Domain [-0.7854, 0.7854], range ~[-1.53e-37, 1.659e-37]
+ * |sin(x)/x - s(x)| < 2**-122.1
+ *
+ * See __cosl.c for more details about the polynomial.
+ */
+static const long double
+	S1 = -0.16666666666666666666666666666666666606732416116558L,
+	S2 = 0.0083333333333333333333333333333331135404851288270047L,
+	S3 = -0.00019841269841269841269841269839935785325638310428717L,
+	S4 = 0.27557319223985890652557316053039946268333231205686e-5L,
+	S5 = -0.25052108385441718775048214826384312253862930064745e-7L,
+	S6 = 0.16059043836821614596571832194524392581082444805729e-9L,
+	S7 = -0.76471637318198151807063387954939213287488216303768e-12L,
+	S8 = 0.28114572543451292625024967174638477283187397621303e-14L;
+static const double
+	S9 = -0.82206352458348947812512122163446202498005154296863e-17,
+	S10 = 0.19572940011906109418080609928334380560135358385256e-19,
+	S11 = -0.38680813379701966970673724299207480965452616911420e-22,
+	S12 = 0.64038150078671872796678569586315881020659912139412e-25;
+#define POLY(z)                                        \
+	(S2 +                                          \
+	 z * (S3 +                                     \
+	      z * (S4 +                                \
+		   z * (S5 +                           \
+			z * (S6 +                      \
+			     z * (S7 +                 \
+				  z * (S8 +            \
+				       z * (S9 +       \
+					    z * (S10 + \
+						 z * (S11 + z * S12))))))))))
+#endif
+
+long double __sinl(long double x, long double y, int iy)
+{
+	long double z, r, v;
+
+	z = x * x;
+	v = z * x;
+	r = POLY(z);
+	if (iy == 0)
+		return x + v * (S1 + z * r);
+	return x - ((z * (0.5 * y - v * r) - y) - v * S1);
+}
+#endif