1 files changed, 0 insertions, 104 deletions
diff --git a/pl/math/v_cosh_2u.c b/pl/math/v_cosh_2u.c
deleted file mode 100644
index 649c390f4622..000000000000
--- a/pl/math/v_cosh_2u.c
+++ /dev/null
@@ -1,104 +0,0 @@
-/*
- * Double-precision vector cosh(x) function.
- *
- * Copyright (c) 2022-2023, Arm Limited.
- * SPDX-License-Identifier: MIT OR Apache-2.0 WITH LLVM-exception
- */
-
-#include "v_math.h"
-#include "pl_sig.h"
-#include "pl_test.h"
-
-static const struct data
-{
-  float64x2_t poly[3];
-  float64x2_t inv_ln2, ln2, shift, thres;
-  uint64x2_t index_mask, special_bound;
-} data = {
-  .poly = { V2 (0x1.fffffffffffd4p-2), V2 (0x1.5555571d6b68cp-3),
-	    V2 (0x1.5555576a59599p-5), },
-
-  .inv_ln2 = V2 (0x1.71547652b82fep8), /* N/ln2.  */
-  /* -ln2/N.  */
-  .ln2 = {-0x1.62e42fefa39efp-9, -0x1.abc9e3b39803f3p-64},
-  .shift = V2 (0x1.8p+52),
-  .thres = V2 (704.0),
-
-  .index_mask = V2 (0xff),
-  /* 0x1.6p9, above which exp overflows.  */
-  .special_bound = V2 (0x4086000000000000),
-};
-
-static float64x2_t NOINLINE VPCS_ATTR
-special_case (float64x2_t x, float64x2_t y, uint64x2_t special)
-{
-  return v_call_f64 (cosh, x, y, special);
-}
-
-/* Helper for approximating exp(x). Copied from v_exp_tail, with no
-   special-case handling or tail.  */
-static inline float64x2_t
-exp_inline (float64x2_t x)
-{
-  const struct data *d = ptr_barrier (&data);
-
-  /* n = round(x/(ln2/N)).  */
-  float64x2_t z = vfmaq_f64 (d->shift, x, d->inv_ln2);
-  uint64x2_t u = vreinterpretq_u64_f64 (z);
-  float64x2_t n = vsubq_f64 (z, d->shift);
-
-  /* r = x - n*ln2/N.  */
-  float64x2_t r = vfmaq_laneq_f64 (x, n, d->ln2, 0);
-  r = vfmaq_laneq_f64 (r, n, d->ln2, 1);
-
-  uint64x2_t e = vshlq_n_u64 (u, 52 - V_EXP_TAIL_TABLE_BITS);
-  uint64x2_t i = vandq_u64 (u, d->index_mask);
-
-  /* y = tail + exp(r) - 1 ~= r + C1 r^2 + C2 r^3 + C3 r^4.  */
-  float64x2_t y = vfmaq_f64 (d->poly[1], d->poly[2], r);
-  y = vfmaq_f64 (d->poly[0], y, r);
-  y = vmulq_f64 (vfmaq_f64 (v_f64 (1), y, r), r);
-
-  /* s = 2^(n/N).  */
-  u = v_lookup_u64 (__v_exp_tail_data, i);
-  float64x2_t s = vreinterpretq_f64_u64 (vaddq_u64 (u, e));
-
-  return vfmaq_f64 (s, y, s);
-}
-
-/* Approximation for vector double-precision cosh(x) using exp_inline.
-   cosh(x) = (exp(x) + exp(-x)) / 2.
-   The greatest observed error is in the scalar fall-back region, so is the
-   same as the scalar routine, 1.93 ULP:
-   _ZGVnN2v_cosh (0x1.628af341989dap+9) got 0x1.fdf28623ef921p+1021
-				       want 0x1.fdf28623ef923p+1021.
-
-   The greatest observed error in the non-special region is 1.54 ULP:
-   _ZGVnN2v_cosh (0x1.8e205b6ecacf7p+2) got 0x1.f711dcb0c77afp+7
-				       want 0x1.f711dcb0c77b1p+7.  */
-float64x2_t VPCS_ATTR V_NAME_D1 (cosh) (float64x2_t x)
-{
-  const struct data *d = ptr_barrier (&data);
-
-  float64x2_t ax = vabsq_f64 (x);
-  uint64x2_t special
-      = vcgtq_u64 (vreinterpretq_u64_f64 (ax), d->special_bound);
-
-  /* Up to the point that exp overflows, we can use it to calculate cosh by
-     exp(|x|) / 2 + 1 / (2 * exp(|x|)).  */
-  float64x2_t t = exp_inline (ax);
-  float64x2_t half_t = vmulq_n_f64 (t, 0.5);
-  float64x2_t half_over_t = vdivq_f64 (v_f64 (0.5), t);
-
-  /* Fall back to scalar for any special cases.  */
-  if (unlikely (v_any_u64 (special)))
-    return special_case (x, vaddq_f64 (half_t, half_over_t), special);
-
-  return vaddq_f64 (half_t, half_over_t);
-}
-
-PL_SIG (V, D, 1, cosh, -10.0, 10.0)
-PL_TEST_ULP (V_NAME_D1 (cosh), 1.43)
-PL_TEST_EXPECT_FENV_ALWAYS (V_NAME_D1 (cosh))
-PL_TEST_SYM_INTERVAL (V_NAME_D1 (cosh), 0, 0x1.6p9, 100000)
-PL_TEST_SYM_INTERVAL (V_NAME_D1 (cosh), 0x1.6p9, inf, 1000)