1 files changed, 68 insertions, 0 deletions
diff --git a/contrib/arm-optimized-routines/math/aarch64/advsimd/sincosf.c b/contrib/arm-optimized-routines/math/aarch64/advsimd/sincosf.c
new file mode 100644
index 000000000000..cd482f38d5f6
--- /dev/null
+++ b/contrib/arm-optimized-routines/math/aarch64/advsimd/sincosf.c
@@ -0,0 +1,68 @@
+/*
+ * Single-precision vector sincos function.
+ *
+ * Copyright (c) 2023-2024, Arm Limited.
+ * SPDX-License-Identifier: MIT OR Apache-2.0 WITH LLVM-exception
+ */
+
+/* Define _GNU_SOURCE in order to include sincosf declaration. If building
+   pre-GLIBC 2.1, or on a non-GNU conforming system, this routine will need to
+   be linked against the scalar sincosf from math/.  */
+#define _GNU_SOURCE
+#include <math.h>
+
+#include "v_sincosf_common.h"
+#include "v_math.h"
+#include "test_defs.h"
+
+/* sincos not available for all scalar libm implementations.  */
+#if defined(_MSC_VER) || !defined(__GLIBC__)
+static void
+sincosf (float x, float *out_sin, float *out_cos)
+{
+  *out_sin = sinf (x);
+  *out_cos = cosf (x);
+}
+#endif
+
+static void VPCS_ATTR NOINLINE
+special_case (float32x4_t x, uint32x4_t special, float *out_sin,
+	      float *out_cos)
+{
+  for (int i = 0; i < 4; i++)
+    if (special[i])
+      sincosf (x[i], out_sin + i, out_cos + i);
+}
+
+/* Single-precision vector function allowing calculation of both sin and cos in
+   one function call, using shared argument reduction and separate low-order
+   polynomials.
+   Worst-case error for sin is 1.67 ULP:
+   v_sincosf_sin(0x1.c704c4p+19) got 0x1.fff698p-5 want 0x1.fff69cp-5
+   Worst-case error for cos is 1.81 ULP:
+   v_sincosf_cos(0x1.e506fp+19) got -0x1.ffec6ep-6 want -0x1.ffec72p-6.  */
+VPCS_ATTR void
+_ZGVnN4vl4l4_sincosf (float32x4_t x, float *out_sin, float *out_cos)
+{
+  const struct v_sincosf_data *d = ptr_barrier (&v_sincosf_data);
+  uint32x4_t special = check_ge_rangeval (x, d);
+
+  float32x4x2_t sc = v_sincosf_inline (x, d);
+
+  vst1q_f32 (out_sin, sc.val[0]);
+  vst1q_f32 (out_cos, sc.val[1]);
+
+  if (unlikely (v_any_u32 (special)))
+    special_case (x, special, out_sin, out_cos);
+}
+
+TEST_DISABLE_FENV (_ZGVnN4v_sincosf_sin)
+TEST_DISABLE_FENV (_ZGVnN4v_sincosf_cos)
+TEST_ULP (_ZGVnN4v_sincosf_sin, 1.17)
+TEST_ULP (_ZGVnN4v_sincosf_cos, 1.31)
+#define V_SINCOSF_INTERVAL(lo, hi, n)                                         \
+  TEST_INTERVAL (_ZGVnN4v_sincosf_sin, lo, hi, n)                             \
+  TEST_INTERVAL (_ZGVnN4v_sincosf_cos, lo, hi, n)
+V_SINCOSF_INTERVAL (0, 0x1p-31, 50000)
+V_SINCOSF_INTERVAL (0x1p-31, 0x1p20, 500000)
+V_SINCOSF_INTERVAL (0x1p20, inf, 10000)