nv-flip-sys 0.1.0

FFI bindings to nvidia's FLIP image comparison library
Documentation 
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/*
 * Copyright (c) 2020-2022, NVIDIA CORPORATION & AFFILIATES. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * 1. Redistributions of source code must retain the above copyright notice, this
 * list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright notice,
 * this list of conditions and the following disclaimer in the documentation
 * and/or other materials provided with the distribution.
 *
 * 3. Neither the name of the copyright holder nor the names of its
 * contributors may be used to endorse or promote products derived from
 * this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 * SPDX-FileCopyrightText: Copyright (c) 2020-2022 NVIDIA CORPORATION & AFFILIATES
 * SPDX-License-Identifier: BSD-3-Clause
 */

// Visualizing and Communicating Errors in Rendered Images
// Ray Tracing Gems II, 2021,
// by Pontus Andersson, Jim Nilsson, and Tomas Akenine-Moller.
// Pointer to the chapter: https://research.nvidia.com/publication/2021-08_Visualizing-and-Communicating.

// Visualizing Errors in Rendered High Dynamic Range Images
// Eurographics 2021,
// by Pontus Andersson, Jim Nilsson, Peter Shirley, and Tomas Akenine-Moller.
// Pointer to the paper: https://research.nvidia.com/publication/2021-05_HDR-FLIP.

// FLIP: A Difference Evaluator for Alternating Images
// High Performance Graphics 2020,
// by Pontus Andersson, Jim Nilsson, Tomas Akenine-Moller,
// Magnus Oskarsson, Kalle Astrom, and Mark D. Fairchild.
// Pointer to the paper: https://research.nvidia.com/publication/2020-07_FLIP.

// Code by Pontus Andersson, Jim Nilsson, and Tomas Akenine-Moller.

namespace FLIP
{

    static const color3 MapMagma[256] =
    {
        {0.001462f, 0.000466f, 0.013866f}, {0.002258f, 0.001295f, 0.018331f}, {0.003279f, 0.002305f, 0.023708f}, {0.004512f, 0.003490f, 0.029965f},
        {0.005950f, 0.004843f, 0.037130f}, {0.007588f, 0.006356f, 0.044973f}, {0.009426f, 0.008022f, 0.052844f}, {0.011465f, 0.009828f, 0.060750f},
        {0.013708f, 0.011771f, 0.068667f}, {0.016156f, 0.013840f, 0.076603f}, {0.018815f, 0.016026f, 0.084584f}, {0.021692f, 0.018320f, 0.092610f},
        {0.024792f, 0.020715f, 0.100676f}, {0.028123f, 0.023201f, 0.108787f}, {0.031696f, 0.025765f, 0.116965f}, {0.035520f, 0.028397f, 0.125209f},
        {0.039608f, 0.031090f, 0.133515f}, {0.043830f, 0.033830f, 0.141886f}, {0.048062f, 0.036607f, 0.150327f}, {0.052320f, 0.039407f, 0.158841f},
        {0.056615f, 0.042160f, 0.167446f}, {0.060949f, 0.044794f, 0.176129f}, {0.065330f, 0.047318f, 0.184892f}, {0.069764f, 0.049726f, 0.193735f},
        {0.074257f, 0.052017f, 0.202660f}, {0.078815f, 0.054184f, 0.211667f}, {0.083446f, 0.056225f, 0.220755f}, {0.088155f, 0.058133f, 0.229922f},
        {0.092949f, 0.059904f, 0.239164f}, {0.097833f, 0.061531f, 0.248477f}, {0.102815f, 0.063010f, 0.257854f}, {0.107899f, 0.064335f, 0.267289f},
        {0.113094f, 0.065492f, 0.276784f}, {0.118405f, 0.066479f, 0.286321f}, {0.123833f, 0.067295f, 0.295879f}, {0.129380f, 0.067935f, 0.305443f},
        {0.135053f, 0.068391f, 0.315000f}, {0.140858f, 0.068654f, 0.324538f}, {0.146785f, 0.068738f, 0.334011f}, {0.152839f, 0.068637f, 0.343404f},
        {0.159018f, 0.068354f, 0.352688f}, {0.165308f, 0.067911f, 0.361816f}, {0.171713f, 0.067305f, 0.370771f}, {0.178212f, 0.066576f, 0.379497f},
        {0.184801f, 0.065732f, 0.387973f}, {0.191460f, 0.064818f, 0.396152f}, {0.198177f, 0.063862f, 0.404009f}, {0.204935f, 0.062907f, 0.411514f},
        {0.211718f, 0.061992f, 0.418647f}, {0.218512f, 0.061158f, 0.425392f}, {0.225302f, 0.060445f, 0.431742f}, {0.232077f, 0.059889f, 0.437695f},
        {0.238826f, 0.059517f, 0.443256f}, {0.245543f, 0.059352f, 0.448436f}, {0.252220f, 0.059415f, 0.453248f}, {0.258857f, 0.059706f, 0.457710f},
        {0.265447f, 0.060237f, 0.461840f}, {0.271994f, 0.060994f, 0.465660f}, {0.278493f, 0.061978f, 0.469190f}, {0.284951f, 0.063168f, 0.472451f},
        {0.291366f, 0.064553f, 0.475462f}, {0.297740f, 0.066117f, 0.478243f}, {0.304081f, 0.067835f, 0.480812f}, {0.310382f, 0.069702f, 0.483186f},
        {0.316654f, 0.071690f, 0.485380f}, {0.322899f, 0.073782f, 0.487408f}, {0.329114f, 0.075972f, 0.489287f}, {0.335308f, 0.078236f, 0.491024f},
        {0.341482f, 0.080564f, 0.492631f}, {0.347636f, 0.082946f, 0.494121f}, {0.353773f, 0.085373f, 0.495501f}, {0.359898f, 0.087831f, 0.496778f},
        {0.366012f, 0.090314f, 0.497960f}, {0.372116f, 0.092816f, 0.499053f}, {0.378211f, 0.095332f, 0.500067f}, {0.384299f, 0.097855f, 0.501002f},
        {0.390384f, 0.100379f, 0.501864f}, {0.396467f, 0.102902f, 0.502658f}, {0.402548f, 0.105420f, 0.503386f}, {0.408629f, 0.107930f, 0.504052f},
        {0.414709f, 0.110431f, 0.504662f}, {0.420791f, 0.112920f, 0.505215f}, {0.426877f, 0.115395f, 0.505714f}, {0.432967f, 0.117855f, 0.506160f},
        {0.439062f, 0.120298f, 0.506555f}, {0.445163f, 0.122724f, 0.506901f}, {0.451271f, 0.125132f, 0.507198f}, {0.457386f, 0.127522f, 0.507448f},
        {0.463508f, 0.129893f, 0.507652f}, {0.469640f, 0.132245f, 0.507809f}, {0.475780f, 0.134577f, 0.507921f}, {0.481929f, 0.136891f, 0.507989f},
        {0.488088f, 0.139186f, 0.508011f}, {0.494258f, 0.141462f, 0.507988f}, {0.500438f, 0.143719f, 0.507920f}, {0.506629f, 0.145958f, 0.507806f},
        {0.512831f, 0.148179f, 0.507648f}, {0.519045f, 0.150383f, 0.507443f}, {0.525270f, 0.152569f, 0.507192f}, {0.531507f, 0.154739f, 0.506895f},
        {0.537755f, 0.156894f, 0.506551f}, {0.544015f, 0.159033f, 0.506159f}, {0.550287f, 0.161158f, 0.505719f}, {0.556571f, 0.163269f, 0.505230f},
        {0.562866f, 0.165368f, 0.504692f}, {0.569172f, 0.167454f, 0.504105f}, {0.575490f, 0.169530f, 0.503466f}, {0.581819f, 0.171596f, 0.502777f},
        {0.588158f, 0.173652f, 0.502035f}, {0.594508f, 0.175701f, 0.501241f}, {0.600868f, 0.177743f, 0.500394f}, {0.607238f, 0.179779f, 0.499492f},
        {0.613617f, 0.181811f, 0.498536f}, {0.620005f, 0.183840f, 0.497524f}, {0.626401f, 0.185867f, 0.496456f}, {0.632805f, 0.187893f, 0.495332f},
        {0.639216f, 0.189921f, 0.494150f}, {0.645633f, 0.191952f, 0.492910f}, {0.652056f, 0.193986f, 0.491611f}, {0.658483f, 0.196027f, 0.490253f},
        {0.664915f, 0.198075f, 0.488836f}, {0.671349f, 0.200133f, 0.487358f}, {0.677786f, 0.202203f, 0.485819f}, {0.684224f, 0.204286f, 0.484219f},
        {0.690661f, 0.206384f, 0.482558f}, {0.697098f, 0.208501f, 0.480835f}, {0.703532f, 0.210638f, 0.479049f}, {0.709962f, 0.212797f, 0.477201f},
        {0.716387f, 0.214982f, 0.475290f}, {0.722805f, 0.217194f, 0.473316f}, {0.729216f, 0.219437f, 0.471279f}, {0.735616f, 0.221713f, 0.469180f},
        {0.742004f, 0.224025f, 0.467018f}, {0.748378f, 0.226377f, 0.464794f}, {0.754737f, 0.228772f, 0.462509f}, {0.761077f, 0.231214f, 0.460162f},
        {0.767398f, 0.233705f, 0.457755f}, {0.773695f, 0.236249f, 0.455289f}, {0.779968f, 0.238851f, 0.452765f}, {0.786212f, 0.241514f, 0.450184f},
        {0.792427f, 0.244242f, 0.447543f}, {0.798608f, 0.247040f, 0.444848f}, {0.804752f, 0.249911f, 0.442102f}, {0.810855f, 0.252861f, 0.439305f},
        {0.816914f, 0.255895f, 0.436461f}, {0.822926f, 0.259016f, 0.433573f}, {0.828886f, 0.262229f, 0.430644f}, {0.834791f, 0.265540f, 0.427671f},
        {0.840636f, 0.268953f, 0.424666f}, {0.846416f, 0.272473f, 0.421631f}, {0.852126f, 0.276106f, 0.418573f}, {0.857763f, 0.279857f, 0.415496f},
        {0.863320f, 0.283729f, 0.412403f}, {0.868793f, 0.287728f, 0.409303f}, {0.874176f, 0.291859f, 0.406205f}, {0.879464f, 0.296125f, 0.403118f},
        {0.884651f, 0.300530f, 0.400047f}, {0.889731f, 0.305079f, 0.397002f}, {0.894700f, 0.309773f, 0.393995f}, {0.899552f, 0.314616f, 0.391037f},
        {0.904281f, 0.319610f, 0.388137f}, {0.908884f, 0.324755f, 0.385308f}, {0.913354f, 0.330052f, 0.382563f}, {0.917689f, 0.335500f, 0.379915f},
        {0.921884f, 0.341098f, 0.377376f}, {0.925937f, 0.346844f, 0.374959f}, {0.929845f, 0.352734f, 0.372677f}, {0.933606f, 0.358764f, 0.370541f},
        {0.937221f, 0.364929f, 0.368567f}, {0.940687f, 0.371224f, 0.366762f}, {0.944006f, 0.377643f, 0.365136f}, {0.947180f, 0.384178f, 0.363701f},
        {0.950210f, 0.390820f, 0.362468f}, {0.953099f, 0.397563f, 0.361438f}, {0.955849f, 0.404400f, 0.360619f}, {0.958464f, 0.411324f, 0.360014f},
        {0.960949f, 0.418323f, 0.359630f}, {0.963310f, 0.425390f, 0.359469f}, {0.965549f, 0.432519f, 0.359529f}, {0.967671f, 0.439703f, 0.359810f},
        {0.969680f, 0.446936f, 0.360311f}, {0.971582f, 0.454210f, 0.361030f}, {0.973381f, 0.461520f, 0.361965f}, {0.975082f, 0.468861f, 0.363111f},
        {0.976690f, 0.476226f, 0.364466f}, {0.978210f, 0.483612f, 0.366025f}, {0.979645f, 0.491014f, 0.367783f}, {0.981000f, 0.498428f, 0.369734f},
        {0.982279f, 0.505851f, 0.371874f}, {0.983485f, 0.513280f, 0.374198f}, {0.984622f, 0.520713f, 0.376698f}, {0.985693f, 0.528148f, 0.379371f},
        {0.986700f, 0.535582f, 0.382210f}, {0.987646f, 0.543015f, 0.385210f}, {0.988533f, 0.550446f, 0.388365f}, {0.989363f, 0.557873f, 0.391671f},
        {0.990138f, 0.565296f, 0.395122f}, {0.990871f, 0.572706f, 0.398714f}, {0.991558f, 0.580107f, 0.402441f}, {0.992196f, 0.587502f, 0.406299f},
        {0.992785f, 0.594891f, 0.410283f}, {0.993326f, 0.602275f, 0.414390f}, {0.993834f, 0.609644f, 0.418613f}, {0.994309f, 0.616999f, 0.422950f},
        {0.994738f, 0.624350f, 0.427397f}, {0.995122f, 0.631696f, 0.431951f}, {0.995480f, 0.639027f, 0.436607f}, {0.995810f, 0.646344f, 0.441361f},
        {0.996096f, 0.653659f, 0.446213f}, {0.996341f, 0.660969f, 0.451160f}, {0.996580f, 0.668256f, 0.456192f}, {0.996775f, 0.675541f, 0.461314f},
        {0.996925f, 0.682828f, 0.466526f}, {0.997077f, 0.690088f, 0.471811f}, {0.997186f, 0.697349f, 0.477182f}, {0.997254f, 0.704611f, 0.482635f},
        {0.997325f, 0.711848f, 0.488154f}, {0.997351f, 0.719089f, 0.493755f}, {0.997351f, 0.726324f, 0.499428f}, {0.997341f, 0.733545f, 0.505167f},
        {0.997285f, 0.740772f, 0.510983f}, {0.997228f, 0.747981f, 0.516859f}, {0.997138f, 0.755190f, 0.522806f}, {0.997019f, 0.762398f, 0.528821f},
        {0.996898f, 0.769591f, 0.534892f}, {0.996727f, 0.776795f, 0.541039f}, {0.996571f, 0.783977f, 0.547233f}, {0.996369f, 0.791167f, 0.553499f},
        {0.996162f, 0.798348f, 0.559820f}, {0.995932f, 0.805527f, 0.566202f}, {0.995680f, 0.812706f, 0.572645f}, {0.995424f, 0.819875f, 0.579140f},
        {0.995131f, 0.827052f, 0.585701f}, {0.994851f, 0.834213f, 0.592307f}, {0.994524f, 0.841387f, 0.598983f}, {0.994222f, 0.848540f, 0.605696f},
        {0.993866f, 0.855711f, 0.612482f}, {0.993545f, 0.862859f, 0.619299f}, {0.993170f, 0.870024f, 0.626189f}, {0.992831f, 0.877168f, 0.633109f},
        {0.992440f, 0.884330f, 0.640099f}, {0.992089f, 0.891470f, 0.647116f}, {0.991688f, 0.898627f, 0.654202f}, {0.991332f, 0.905763f, 0.661309f},
        {0.990930f, 0.912915f, 0.668481f}, {0.990570f, 0.920049f, 0.675675f}, {0.990175f, 0.927196f, 0.682926f}, {0.989815f, 0.934329f, 0.690198f},
        {0.989434f, 0.941470f, 0.697519f}, {0.989077f, 0.948604f, 0.704863f}, {0.988717f, 0.955742f, 0.712242f}, {0.988367f, 0.962878f, 0.719649f},
        {0.988033f, 0.970012f, 0.727077f}, {0.987691f, 0.977154f, 0.734536f}, {0.987387f, 0.984288f, 0.742002f}, {0.987053f, 0.991438f, 0.749504f}
    };

}