wehub-resource-sync
62 lines
1.9 KiB
C
62 lines
1.9 KiB
C
/* Copyright 2021 The TensorFlow Authors. All Rights Reserved.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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==============================================================================*/
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#ifndef TENSORFLOW_LITE_KERNELS_INTERNAL_CONSTANTS_H_
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#define TENSORFLOW_LITE_KERNELS_INTERNAL_CONSTANTS_H_
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// Maths constants.
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// The following macros are not always available on all platforms.
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// E.g. MSVC requires additional compile flag to export those.
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#ifndef M_E
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#define M_E 2.7182818284590452354 /* e */
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#endif
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#ifndef M_LOG2E
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#define M_LOG2E 1.4426950408889634074 /* log_2 e */
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#endif
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#ifndef M_LOG10E
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#define M_LOG10E 0.43429448190325182765 /* log_10 e */
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#endif
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#ifndef M_LN2
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#define M_LN2 0.69314718055994530942 /* log_e 2 */
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#endif
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#ifndef M_LN10
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#define M_LN10 2.30258509299404568402 /* log_e 10 */
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#endif
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#ifndef M_PI
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#define M_PI 3.14159265358979323846 /* pi */
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#endif
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#ifndef M_PI_2
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#define M_PI_2 1.57079632679489661923 /* pi/2 */
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#endif
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#ifndef M_PI_4
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#define M_PI_4 0.78539816339744830962 /* pi/4 */
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#endif
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#ifndef M_1_PI
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#define M_1_PI 0.31830988618379067154 /* 1/pi */
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#endif
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#ifndef M_2_PI
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#define M_2_PI 0.63661977236758134308 /* 2/pi */
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#endif
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#ifndef M_2_SQRTPI
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#define M_2_SQRTPI 1.12837916709551257390 /* 2/sqrt(pi) */
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#endif
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#ifndef M_SQRT2
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#define M_SQRT2 1.41421356237309504880 /* sqrt(2) */
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#endif
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#ifndef M_SQRT1_2
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#define M_SQRT1_2 0.70710678118654752440 /* 1/sqrt(2) */
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#endif
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#endif // TENSORFLOW_LITE_KERNELS_INTERNAL_CONSTANTS_H_
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