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Diffstat (limited to 'pl/math/v_asinhf_2u7.c')
-rw-r--r--pl/math/v_asinhf_2u7.c80
1 files changed, 0 insertions, 80 deletions
diff --git a/pl/math/v_asinhf_2u7.c b/pl/math/v_asinhf_2u7.c
deleted file mode 100644
index 1723ba90d2f3..000000000000
--- a/pl/math/v_asinhf_2u7.c
+++ /dev/null
@@ -1,80 +0,0 @@
-/*
- * Single-precision vector asinh(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"
-#include "v_log1pf_inline.h"
-
-#define SignMask v_u32 (0x80000000)
-
-const static struct data
-{
- struct v_log1pf_data log1pf_consts;
- uint32x4_t big_bound;
-#if WANT_SIMD_EXCEPT
- uint32x4_t tiny_bound;
-#endif
-} data = {
- .log1pf_consts = V_LOG1PF_CONSTANTS_TABLE,
- .big_bound = V4 (0x5f800000), /* asuint(0x1p64). */
-#if WANT_SIMD_EXCEPT
- .tiny_bound = V4 (0x30800000) /* asuint(0x1p-30). */
-#endif
-};
-
-static float32x4_t NOINLINE VPCS_ATTR
-special_case (float32x4_t x, float32x4_t y, uint32x4_t special)
-{
- return v_call_f32 (asinhf, x, y, special);
-}
-
-/* Single-precision implementation of vector asinh(x), using vector log1p.
- Worst-case error is 2.66 ULP, at roughly +/-0.25:
- __v_asinhf(0x1.01b04p-2) got 0x1.fe163ep-3 want 0x1.fe1638p-3. */
-VPCS_ATTR float32x4_t V_NAME_F1 (asinh) (float32x4_t x)
-{
- const struct data *dat = ptr_barrier (&data);
- uint32x4_t iax = vbicq_u32 (vreinterpretq_u32_f32 (x), SignMask);
- float32x4_t ax = vreinterpretq_f32_u32 (iax);
- uint32x4_t special = vcgeq_u32 (iax, dat->big_bound);
- float32x4_t special_arg = x;
-
-#if WANT_SIMD_EXCEPT
- /* Sidestep tiny and large values to avoid inadvertently triggering
- under/overflow. */
- special = vorrq_u32 (special, vcltq_u32 (iax, dat->tiny_bound));
- if (unlikely (v_any_u32 (special)))
- {
- ax = v_zerofy_f32 (ax, special);
- x = v_zerofy_f32 (x, special);
- }
-#endif
-
- /* asinh(x) = log(x + sqrt(x * x + 1)).
- For positive x, asinh(x) = log1p(x + x * x / (1 + sqrt(x * x + 1))). */
- float32x4_t d
- = vaddq_f32 (v_f32 (1), vsqrtq_f32 (vfmaq_f32 (v_f32 (1), x, x)));
- float32x4_t y = log1pf_inline (
- vaddq_f32 (ax, vdivq_f32 (vmulq_f32 (ax, ax), d)), dat->log1pf_consts);
-
- if (unlikely (v_any_u32 (special)))
- return special_case (special_arg, vbslq_f32 (SignMask, x, y), special);
- return vbslq_f32 (SignMask, x, y);
-}
-
-PL_SIG (V, F, 1, asinh, -10.0, 10.0)
-PL_TEST_ULP (V_NAME_F1 (asinh), 2.17)
-PL_TEST_EXPECT_FENV (V_NAME_F1 (asinh), WANT_SIMD_EXCEPT)
-PL_TEST_INTERVAL (V_NAME_F1 (asinh), 0, 0x1p-12, 40000)
-PL_TEST_INTERVAL (V_NAME_F1 (asinh), 0x1p-12, 1.0, 40000)
-PL_TEST_INTERVAL (V_NAME_F1 (asinh), 1.0, 0x1p11, 40000)
-PL_TEST_INTERVAL (V_NAME_F1 (asinh), 0x1p11, inf, 40000)
-PL_TEST_INTERVAL (V_NAME_F1 (asinh), -0, -0x1p-12, 20000)
-PL_TEST_INTERVAL (V_NAME_F1 (asinh), -0x1p-12, -1.0, 20000)
-PL_TEST_INTERVAL (V_NAME_F1 (asinh), -1.0, -0x1p11, 20000)
-PL_TEST_INTERVAL (V_NAME_F1 (asinh), -0x1p11, -inf, 20000)