| Line | Branch | Exec | Source |
|---|---|---|---|
| 1 | /* | ||
| 2 | * Copyright (c) 2000-2022 Inria | ||
| 3 | * All rights reserved. | ||
| 4 | * | ||
| 5 | * Redistribution and use in source and binary forms, with or without | ||
| 6 | * modification, are permitted provided that the following conditions are met: | ||
| 7 | * | ||
| 8 | * * Redistributions of source code must retain the above copyright notice, | ||
| 9 | * this list of conditions and the following disclaimer. | ||
| 10 | * * Redistributions in binary form must reproduce the above copyright notice, | ||
| 11 | * this list of conditions and the following disclaimer in the documentation | ||
| 12 | * and/or other materials provided with the distribution. | ||
| 13 | * * Neither the name of the ALICE Project-Team nor the names of its | ||
| 14 | * contributors may be used to endorse or promote products derived from this | ||
| 15 | * software without specific prior written permission. | ||
| 16 | * | ||
| 17 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" | ||
| 18 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | ||
| 19 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | ||
| 20 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE | ||
| 21 | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR | ||
| 22 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF | ||
| 23 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS | ||
| 24 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN | ||
| 25 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | ||
| 26 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | ||
| 27 | * POSSIBILITY OF SUCH DAMAGE. | ||
| 28 | * | ||
| 29 | * Contact: Bruno Levy | ||
| 30 | * | ||
| 31 | * https://www.inria.fr/fr/bruno-levy | ||
| 32 | * | ||
| 33 | * Inria, | ||
| 34 | * Domaine de Voluceau, | ||
| 35 | * 78150 Le Chesnay - Rocquencourt | ||
| 36 | * FRANCE | ||
| 37 | * | ||
| 38 | */ | ||
| 39 | |||
| 40 | #include <geogram/basic/numeric.h> | ||
| 41 | #include <geogram/basic/command_line.h> | ||
| 42 | #include <stdlib.h> | ||
| 43 | |||
| 44 | #include <random> | ||
| 45 | |||
| 46 | #ifdef GEO_COMPILER_EMSCRIPTEN | ||
| 47 | #pragma GCC diagnostic ignored "-Wc++11-long-long" | ||
| 48 | #endif | ||
| 49 | |||
| 50 | namespace GEO { | ||
| 51 | |||
| 52 | namespace Numeric { | ||
| 53 | |||
| 54 | static std::mt19937_64 random_engine; | ||
| 55 | |||
| 56 | ✗ | bool is_nan(float32 x) { | |
| 57 | #ifdef GEO_COMPILER_MSVC | ||
| 58 | return _isnan(x) || !_finite(x); | ||
| 59 | #else | ||
| 60 | ✗ | return std::isnan(x) || !std::isfinite(x); | |
| 61 | #endif | ||
| 62 | } | ||
| 63 | |||
| 64 | 629211037 | bool is_nan(float64 x) { | |
| 65 | #ifdef GEO_COMPILER_MSVC | ||
| 66 | return _isnan(x) || !_finite(x); | ||
| 67 | #else | ||
| 68 |
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629211037 | return std::isnan(x) || !std::isfinite(x); |
| 69 | #endif | ||
| 70 | } | ||
| 71 | |||
| 72 | 28 | void random_reset() { | |
| 73 |
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28 | random_reset(CmdLine::get_arg_int("algo:random_seed")); |
| 74 | 28 | } | |
| 75 | |||
| 76 | 266 | void random_reset(int random_seed) { | |
| 77 |
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266 | if(random_seed == -1) { |
| 78 | 266 | random_engine = std::mt19937_64(); | |
| 79 | ✗ | } else if(random_seed == -2) { | |
| 80 | ✗ | std::random_device rnd; | |
| 81 | ✗ | random_engine = std::mt19937_64(rnd()); | |
| 82 | } else { | ||
| 83 | ✗ | random_engine = std::mt19937_64(Numeric::uint64(random_seed)); | |
| 84 | } | ||
| 85 | 266 | } | |
| 86 | |||
| 87 | 6346140 | int32 random_int32() { | |
| 88 | 6346140 | return std::uniform_int_distribution<int32>( | |
| 89 | 0, std::numeric_limits<int32>::max() | ||
| 90 | 6346140 | )(random_engine); | |
| 91 | } | ||
| 92 | |||
| 93 | ✗ | float32 random_float32() { | |
| 94 | ✗ | return std::uniform_real_distribution<float32>(0, 1)(random_engine); | |
| 95 | } | ||
| 96 | |||
| 97 | 2693688 | float64 random_float64() { | |
| 98 | 2693688 | return std::uniform_real_distribution<float64>(0, 1)(random_engine); | |
| 99 | } | ||
| 100 | } | ||
| 101 | } | ||
| 102 |