1 files changed, 45 insertions, 0 deletions
diff --git a/pl/math/tanf_data.c b/pl/math/tanf_data.c
new file mode 100644
index 0000000..a6b9d51
--- /dev/null
+++ b/pl/math/tanf_data.c
@@ -0,0 +1,45 @@
+/*
+ * Data used in single-precision tan(x) function.
+ *
+ * Copyright (c) 2022-2023, Arm Limited.
+ * SPDX-License-Identifier: MIT OR Apache-2.0 WITH LLVM-exception
+ */
+
+#include "math_config.h"
+
+const struct tanf_poly_data __tanf_poly_data = {
+.poly_tan = {
+/* Coefficients generated using:
+   poly = fpminimax((tan(sqrt(x))-sqrt(x))/x^(3/2), deg, [|single ...|], [a*a;b*b]);
+   optimize relative error
+   final prec : 23 bits
+   deg : 5
+   a : 0x1p-126 ^ 2
+   b : ((pi) / 0x1p2) ^ 2
+   dirty rel error: 0x1.f7c2e4p-25
+   dirty abs error: 0x1.f7c2ecp-25.  */
+0x1.55555p-2,
+0x1.11166p-3,
+0x1.b88a78p-5,
+0x1.7b5756p-6,
+0x1.4ef4cep-8,
+0x1.0e1e74p-7
+},
+.poly_cotan = {
+/* Coefficients generated using:
+   fpminimax(f(x) = (0x1p0 / tan(sqrt(x)) - 0x1p0 / sqrt(x)) / sqrt(x), deg, [|dtype ...|], [a;b])
+   optimize a single polynomial
+   optimize absolute error
+   final prec : 23 bits
+   working prec : 128 bits
+   deg : 3
+   a : 0x1p-126
+   b : (pi) / 0x1p2
+   dirty rel error : 0x1.81298cp-25
+   dirty abs error : 0x1.a8acf4p-25.  */
+-0x1.55555p-2, /* -0.33333325.  */
+-0x1.6c23e4p-6, /* -2.2225354e-2.  */
+-0x1.12dbap-9, /* -2.0969994e-3.  */
+-0x1.05a1c2p-12, /* -2.495116e-4.  */
+}
+};