diff options
Diffstat (limited to 'pl/math/estrin_wrap.h')
| -rw-r--r-- | pl/math/estrin_wrap.h | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/pl/math/estrin_wrap.h b/pl/math/estrin_wrap.h new file mode 100644 index 0000000..2ae0700 --- /dev/null +++ b/pl/math/estrin_wrap.h @@ -0,0 +1,48 @@ +/* + * Helper macros for double-precision Estrin polynomial evaluation. + * + * Copyright (c) 2022-2023, Arm Limited. + * SPDX-License-Identifier: MIT OR Apache-2.0 WITH LLVM-exception + */ + +// clang-format off +#define ESTRIN_1_(x, c, i) FMA(x, c(1 + i), c(i)) +#define ESTRIN_2_(x, x2, c, i) FMA(x2, c(2 + i), ESTRIN_1_(x, c, i)) +#define ESTRIN_3_(x, x2, c, i) FMA(x2, ESTRIN_1_(x, c, 2 + i), ESTRIN_1_(x, c, i)) +#define ESTRIN_4_(x, x2, x4, c, i) FMA(x4, c(4 + i), ESTRIN_3_(x, x2, c, i)) +#define ESTRIN_5_(x, x2, x4, c, i) FMA(x4, ESTRIN_1_(x, c, 4 + i), ESTRIN_3_(x, x2, c, i)) +#define ESTRIN_6_(x, x2, x4, c, i) FMA(x4, ESTRIN_2_(x, x2, c, 4 + i), ESTRIN_3_(x, x2, c, i)) +#define ESTRIN_7_(x, x2, x4, c, i) FMA(x4, ESTRIN_3_(x, x2, c, 4 + i), ESTRIN_3_(x, x2, c, i)) +#define ESTRIN_8_(x, x2, x4, x8, c, i) FMA(x8, c(8 + i), ESTRIN_7_(x, x2, x4, c, i)) +#define ESTRIN_9_(x, x2, x4, x8, c, i) FMA(x8, ESTRIN_1_(x, c, 8 + i), ESTRIN_7_(x, x2, x4, c, i)) +#define ESTRIN_10_(x, x2, x4, x8, c, i) FMA(x8, ESTRIN_2_(x, x2, c, 8 + i), ESTRIN_7_(x, x2, x4, c, i)) +#define ESTRIN_11_(x, x2, x4, x8, c, i) FMA(x8, ESTRIN_3_(x, x2, c, 8 + i), ESTRIN_7_(x, x2, x4, c, i)) +#define ESTRIN_12_(x, x2, x4, x8, c, i) FMA(x8, ESTRIN_4_(x, x2, x4, c, 8 + i), ESTRIN_7_(x, x2, x4, c, i)) +#define ESTRIN_13_(x, x2, x4, x8, c, i) FMA(x8, ESTRIN_5_(x, x2, x4, c, 8 + i), ESTRIN_7_(x, x2, x4, c, i)) +#define ESTRIN_14_(x, x2, x4, x8, c, i) FMA(x8, ESTRIN_6_(x, x2, x4, c, 8 + i), ESTRIN_7_(x, x2, x4, c, i)) +#define ESTRIN_15_(x, x2, x4, x8, c, i) FMA(x8, ESTRIN_7_(x, x2, x4, c, 8 + i), ESTRIN_7_(x, x2, x4, c, i)) +#define ESTRIN_16_(x, x2, x4, x8, x16, c, i) FMA(x16, c(16 + i), ESTRIN_15_(x, x2, x4, x8, c, i)) +#define ESTRIN_17_(x, x2, x4, x8, x16, c, i) FMA(x16, ESTRIN_1_(x, c, 16 + i), ESTRIN_15_(x, x2, x4, x8, c, i)) +#define ESTRIN_18_(x, x2, x4, x8, x16, c, i) FMA(x16, ESTRIN_2_(x, x2, c, 16 + i), ESTRIN_15_(x, x2, x4, x8, c, i)) +#define ESTRIN_19_(x, x2, x4, x8, x16, c, i) FMA(x16, ESTRIN_3_(x, x2, c, 16 + i), ESTRIN_15_(x, x2, x4, x8, c, i)) + +#define ESTRIN_1(x, c) ESTRIN_1_(x, c, 0) +#define ESTRIN_2(x, x2, c) ESTRIN_2_(x, x2, c, 0) +#define ESTRIN_3(x, x2, c) ESTRIN_3_(x, x2, c, 0) +#define ESTRIN_4(x, x2, x4, c) ESTRIN_4_(x, x2, x4, c, 0) +#define ESTRIN_5(x, x2, x4, c) ESTRIN_5_(x, x2, x4, c, 0) +#define ESTRIN_6(x, x2, x4, c) ESTRIN_6_(x, x2, x4, c, 0) +#define ESTRIN_7(x, x2, x4, c) ESTRIN_7_(x, x2, x4, c, 0) +#define ESTRIN_8(x, x2, x4, x8, c) ESTRIN_8_(x, x2, x4, x8, c, 0) +#define ESTRIN_9(x, x2, x4, x8, c) ESTRIN_9_(x, x2, x4, x8, c, 0) +#define ESTRIN_10(x, x2, x4, x8, c) ESTRIN_10_(x, x2, x4, x8, c, 0) +#define ESTRIN_11(x, x2, x4, x8, c) ESTRIN_11_(x, x2, x4, x8, c, 0) +#define ESTRIN_12(x, x2, x4, x8, c) ESTRIN_12_(x, x2, x4, x8, c, 0) +#define ESTRIN_13(x, x2, x4, x8, c) ESTRIN_13_(x, x2, x4, x8, c, 0) +#define ESTRIN_14(x, x2, x4, x8, c) ESTRIN_14_(x, x2, x4, x8, c, 0) +#define ESTRIN_15(x, x2, x4, x8, c) ESTRIN_15_(x, x2, x4, x8, c, 0) +#define ESTRIN_16(x, x2, x4, x8, x16, c) ESTRIN_16_(x, x2, x4, x8, x16, c, 0) +#define ESTRIN_17(x, x2, x4, x8, x16, c) ESTRIN_17_(x, x2, x4, x8, x16, c, 0) +#define ESTRIN_18(x, x2, x4, x8, x16, c) ESTRIN_18_(x, x2, x4, x8, x16, c, 0) +#define ESTRIN_19(x, x2, x4, x8, x16, c) ESTRIN_19_(x, x2, x4, x8, x16, c, 0) +// clang-format on |