1 files changed, 289 insertions, 0 deletions
diff --git a/pl/math/v_pow_exp_data.c b/pl/math/v_pow_exp_data.c
new file mode 100644
index 000000000000..5d921ef648a4
--- /dev/null
+++ b/pl/math/v_pow_exp_data.c
@@ -0,0 +1,289 @@
+/*
+ * Shared data between exp, exp2 and pow.
+ *
+ * Copyright (c) 2018-2023, Arm Limited.
+ * SPDX-License-Identifier: MIT OR Apache-2.0 WITH LLVM-exception
+ */
+
+#include "math_config.h"
+
+#define N (1 << V_POW_EXP_TABLE_BITS)
+
+const struct v_pow_exp_data __v_pow_exp_data = {
+// exp polynomial coefficients.
+.poly = {
+// abs error: 1.43*2^-58
+// ulp error: 0.549 (0.550 without fma)
+// if |x| < ln2/512
+0x1.fffffffffffd4p-2,
+0x1.5555571d6ef9p-3,
+0x1.5555576a5adcep-5,
+},
+// N/ln2
+.n_over_ln2 = 0x1.71547652b82fep0 * N,
+// ln2/N
+.ln2_over_n_hi = 0x1.62e42fefc0000p-9,
+.ln2_over_n_lo = -0x1.c610ca86c3899p-45,
+// Used for rounding to nearest integer without using intrinsics.
+.shift = 0x1.8p52,
+// 2^(k/N) ~= H[k]*(1 + T[k]) for int k in [0,N)
+// sbits[k] = asuint64(H[k]) - (k << 52)/N
+.sbits = {
+0x3ff0000000000000,
+0x3feffb1afa5abcbf,
+0x3feff63da9fb3335,
+0x3feff168143b0281,
+0x3fefec9a3e778061,
+0x3fefe7d42e11bbcc,
+0x3fefe315e86e7f85,
+0x3fefde5f72f654b1,
+0x3fefd9b0d3158574,
+0x3fefd50a0e3c1f89,
+0x3fefd06b29ddf6de,
+0x3fefcbd42b72a836,
+0x3fefc74518759bc8,
+0x3fefc2bdf66607e0,
+0x3fefbe3ecac6f383,
+0x3fefb9c79b1f3919,
+0x3fefb5586cf9890f,
+0x3fefb0f145e46c85,
+0x3fefac922b7247f7,
+0x3fefa83b23395dec,
+0x3fefa3ec32d3d1a2,
+0x3fef9fa55fdfa9c5,
+0x3fef9b66affed31b,
+0x3fef973028d7233e,
+0x3fef9301d0125b51,
+0x3fef8edbab5e2ab6,
+0x3fef8abdc06c31cc,
+0x3fef86a814f204ab,
+0x3fef829aaea92de0,
+0x3fef7e95934f312e,
+0x3fef7a98c8a58e51,
+0x3fef76a45471c3c2,
+0x3fef72b83c7d517b,
+0x3fef6ed48695bbc0,
+0x3fef6af9388c8dea,
+0x3fef672658375d2f,
+0x3fef635beb6fcb75,
+0x3fef5f99f8138a1c,
+0x3fef5be084045cd4,
+0x3fef582f95281c6b,
+0x3fef54873168b9aa,
+0x3fef50e75eb44027,
+0x3fef4d5022fcd91d,
+0x3fef49c18438ce4d,
+0x3fef463b88628cd6,
+0x3fef42be3578a819,
+0x3fef3f49917ddc96,
+0x3fef3bdda27912d1,
+0x3fef387a6e756238,
+0x3fef351ffb82140a,
+0x3fef31ce4fb2a63f,
+0x3fef2e85711ece75,
+0x3fef2b4565e27cdd,
+0x3fef280e341ddf29,
+0x3fef24dfe1f56381,
+0x3fef21ba7591bb70,
+0x3fef1e9df51fdee1,
+0x3fef1b8a66d10f13,
+0x3fef187fd0dad990,
+0x3fef157e39771b2f,
+0x3fef1285a6e4030b,
+0x3fef0f961f641589,
+0x3fef0cafa93e2f56,
+0x3fef09d24abd886b,
+0x3fef06fe0a31b715,
+0x3fef0432edeeb2fd,
+0x3fef0170fc4cd831,
+0x3feefeb83ba8ea32,
+0x3feefc08b26416ff,
+0x3feef96266e3fa2d,
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+0x3feeea401b7140ef,
+0x3feee7db34e59ff7,
+0x3feee57fbfec6cf4,
+0x3feee32dc313a8e5,
+0x3feee0e544ede173,
+0x3feedea64c123422,
+0x3feedc70df1c5175,
+0x3feeda4504ac801c,
+0x3feed822c367a024,
+0x3feed60a21f72e2a,
+0x3feed3fb2709468a,
+0x3feed1f5d950a897,
+0x3feecffa3f84b9d4,
+0x3feece086061892d,
+0x3feecc2042a7d232,
+0x3feeca41ed1d0057,
+0x3feec86d668b3237,
+0x3feec6a2b5c13cd0,
+0x3feec4e1e192aed2,
+0x3feec32af0d7d3de,
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+0x3feebe41b817c114,
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+0x3feebb2d81d8abff,
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+0x3feeb8417f4531ee,
+0x3feeb6daa2cf6642,
+0x3feeb57de83f4eef,
+0x3feeb42b569d4f82,
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+0x3feeb1a4ca5d920f,
+0x3feeb070dde910d2,
+0x3feeaf4736b527da,
+0x3feeae27dbe2c4cf,
+0x3feead12d497c7fd,
+0x3feeac0827ff07cc,
+0x3feeab07dd485429,
+0x3feeaa11fba87a03,
+0x3feea9268a5946b7,
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+0x3feea3dd1d1929fd,
+0x3feea34634ccc320,
+0x3feea2b9febc8fb7,
+0x3feea23882552225,
+0x3feea1c1c70833f6,
+0x3feea155d44ca973,
+0x3feea0f4b19e9538,
+0x3feea09e667f3bcd,
+0x3feea052fa75173e,
+0x3feea012750bdabf,
+0x3fee9fdcddd47645,
+0x3fee9fb23c651a2f,
+0x3fee9f9298593ae5,
+0x3fee9f7df9519484,
+0x3fee9f7466f42e87,
+0x3fee9f75e8ec5f74,
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+0x3feea2f336cf4e62,
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+0x3feea9cad931a436,
+0x3feeaac7d98a6699,
+0x3feeabd0a478580f,
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+0x3feff9d96b2a23d9,
+},
+};