MLECO-3992: Minor improvement for FFT32 tests.
Added test for FFT on complex vector of 32-bit floats.
Change-Id: I236255952335bfd00ce3d811845ffe604167dcc5
Signed-off-by: Kshitij Sisodia <kshitij.sisodia@arm.com>
diff --git a/tests/common/PlatformMathTests.cpp b/tests/common/PlatformMathTests.cpp
index 9236300..8b73e42 100644
--- a/tests/common/PlatformMathTests.cpp
+++ b/tests/common/PlatformMathTests.cpp
@@ -1,6 +1,6 @@
/*
- * SPDX-FileCopyrightText: Copyright 2021 - 2022 Arm Limited and/or its affiliates <open-source-office@arm.com>
- * SPDX-License-Identifier: Apache-2.0
+ * SPDX-FileCopyrightText: Copyright 2021 - 2023 Arm Limited and/or its affiliates
+ * <open-source-office@arm.com> SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
@@ -219,366 +219,252 @@
TEST_CASE("Test FFT32")
{
+ constexpr size_t nElem = 512;
+
/*Test Constants: */
- std::vector<float> input_zeros(512, 0);
- std::vector<float> input_ones(512, 1);
+ std::vector<float> input_zeros(nElem, 0);
+ std::vector<float> input_ones(nElem, 1);
+
/* Random numbers generated using numpy rand with range [0:1] */
std::vector<float> input_random{
- 0.42333686,0.6547418,0.8933691,0.91466254,0.5992143,0.99474055,0.97750413,0.97160685,
- 0.72718734,0.8699537,0.643911,0.09764466,0.0050113136,0.46823388,0.13709934,0.44892532,
- 0.59728205,0.04055081,0.5579888,0.18445836,0.66469765,0.82715863,0.91934484,0.7844356,
- 0.23489648,0.021708783,0.67819905,0.75761676,0.48374954,0.14006922,0.87082034,0.7694296,
- 0.80479276,0.8241704,0.95917296,0.5758142,0.16839339,0.34290153,0.5846108,0.6878044,
- 0.1067114,0.5198196,0.4356897,0.68049103,0.12480807,0.3538696,0.06067087,0.056964435,
- 0.5382167,0.07761527,0.6673144,0.9045368,0.11050189,0.03530183,0.07864744,0.98752064,
- 0.014321936,0.101833574,0.43293256,0.87102246,0.52411795,0.90232223,0.49560344,0.6803092,
- 0.2908511,0.14653015,0.99105513,0.7057098,0.09623502,0.039713606,0.88669086,0.56018597,
- 0.90632766,0.99241334,0.18748309,0.38991618,0.6359827,0.05665585,0.732304,0.2703365,
- 0.19014524,0.5017947,0.78862536,0.81253093,0.35050204,0.2832596,0.65221876,0.59856164,
- 0.42758793,0.78865635,0.30943435,0.93780816,0.62568265,0.35397422,0.84209913,0.48590583,
- 0.34837773,0.5811646,0.42924216,0.26692122,0.030709852,0.84459823,0.09085059,0.29297647,
- 0.48539516,0.33488297,0.7877257,0.8728821,0.28454545,0.7109578,0.86097074,0.8536262,
- 0.4978063,0.5760398,0.77506036,0.7716988,0.27041402,0.52340513,0.2055419,0.8728235,
- 0.13492358,0.79122984,0.52998376,0.33897072,0.6426309,0.8766521,0.89287037,0.74047667,
- 0.42341164,0.67437655,0.4682156,0.67123246,0.54287183,0.3580476,0.94756556,0.2699457,
- 0.6131569,0.75043845,0.8115012,0.49610943,0.7108478,0.90941435,0.02233071,0.37346774,
- 0.33732748,0.46691266,0.35784695,0.39391598,0.8556212,0.884142,0.11730601,0.550112,
- 0.31513855,0.69654715,0.58585805,0.4493127,0.78515726,0.8176612,0.9846698,0.32842383,
- 0.41843212,0.48470423,0.6757128,0.95876855,0.5989163,0.13587572,0.72886884,0.88291156,
- 0.34402263,0.66211045,0.86188424,0.21498202,0.26397392,0.67372984,0.91386956,0.7339788,
- 0.91308993,0.1953016,0.1539217,0.214701,0.58234113,0.8019992,0.63969976,0.041050985,
- 0.7293308,0.26341477,0.54768014,0.97596467,0.12385198,0.44149798,0.5519762,0.1697347,
- 0.577215,0.8213594,0.47874716,0.64515114,0.61467725,0.18463866,0.23890929,0.51052976,
- 0.16807361,0.53142565,0.2414274,0.41690814,0.98815554,0.6245643,0.9477003,0.24780034,
- 0.82469565,0.8614785,0.9565832,0.062440686,0.9710724,0.039196696,0.11030199,0.35234734,
- 0.02065066,0.12832293,0.7328055,0.48924434,0.17247158,0.5769348,0.44146806,0.53575355,
- 0.17258933,0.6980237,0.86494404,0.50573164,0.5033998,0.71199447,0.41353586,0.26767612,
- 0.3789118,0.046621118,0.58491063,0.22861995,0.03134273,0.53280216,0.23382367,0.07748905,
- 0.96875405,0.6613716,0.64087844,0.8377165,0.051519375,0.68997836,0.3776376,0.43362603,
- 0.5358754,0.51419014,0.12823892,0.26574057,0.508808,0.15734084,0.78327274,0.5045347,
- 0.5445746,0.89297736,0.8531272,0.91270804,0.87429863,0.3965137,0.13544834,0.74269205,
- 0.80592203,0.045050766,0.13362087,0.17090783,0.02873757,0.99339336,0.6394376,0.48203012,
- 0.70598215,0.37082237,0.39792424,0.89938444,0.312602,0.48755112,0.18220617,0.17303479,
- 0.31954846,0.78080165,0.1755106,0.68262285,0.84665287,0.8520143,0.8459509,0.39417005,
- 0.30087698,0.81362164,0.61927587,0.32739028,0.9023775,0.27578092,0.6830477,0.15842387,
- 0.8473049,0.43057114,0.2019703,0.20560141,0.6237757,0.60283095,0.27645138,0.26605442,
- 0.27985683,0.41353813,0.85139906,0.71711886,0.5444832,0.73613757,0.7397004,0.7406752,
- 0.41016674,0.31896713,0.4541723,0.2795807,0.47941738,0.00504193,0.89091027,0.8097144,
- 0.63033766,0.37252298,0.9132861,0.5102532,0.04104481,0.30368647,0.21573475,0.99520445,
- 0.5047808,0.6868845,0.99881023,0.30377692,0.2554386,0.47201005,0.11120686,0.10077732,
- 0.1853349,0.49159425,0.3938629,0.8989509,0.9887155,0.698771,0.695701,0.78368753,0.52537227,
- 0.19451462,0.3659248,0.1968508,0.7751828,0.33103722,0.40406147,0.37832898,0.68663514,
- 0.32225925,0.41771907,0.034218453,0.42808908,0.20685343,0.1861495,0.045986768,0.8532299,
- 0.17200677,0.44670314,0.56831235,0.5388232,0.5430553,0.69175136,0.6462231,0.42827028,
- 0.10050113,0.30627027,0.9967943,0.6684778,0.5928422,0.63392985,0.99123496,0.79301435,
- 0.7936309,0.42839453,0.39781123,0.22329247,0.0122212395,0.2807108,0.19812097,0.5576105,
- 0.115653396,0.3732018,0.7622857,0.19847734,0.5310287,0.7298145,0.5518292,0.9117333,
- 0.13215758,0.33716795,0.42372775,0.6779287,0.35799992,0.097887225,0.20171605,0.9948177,
- 0.1829232,0.80349857,0.9807098,0.22959666,0.67322475,0.63094735,0.93454355,0.15962408,
- 0.04335433,0.47104993,0.36784375,0.45258796,0.93415564,0.1655446,0.7195017,0.76236975,
- 0.3846913,0.01330617,0.84716374,0.1227003,0.65102947,0.6632434,0.3728453,0.4222391,
- 0.6942989,0.16014872,0.10798196,0.94033676,0.026525471,0.8379024,0.5484514,0.13500613,
- 0.22919805,0.7001831,0.6573261,0.38086265,0.8725666,0.35077834,0.28415123,0.42283052,
- 0.668379,0.9769895,0.37621376,0.646407,0.11188069,0.17129017,0.7441628,0.25617477,
- 0.7751679,0.8565412,0.67631435,0.45213568,0.61896557,0.3387995,0.51607716,0.60779697,
- 0.16428445,0.5080923,0.13012086,0.61184275,0.7690249,0.9578811,0.67365676,0.16241212,
- 0.97157824,0.5595742,0.75936574,0.6043881,0.2149638,0.4925318,0.58727825,0.97953695,
- 0.01605968,0.2819307,0.6448378,0.4265335,0.661541,0.3976571,0.40607136,0.46425515,
- 0.2055872,0.2716193,0.4132582,0.8372537,0.37787434,0.082228854,0.7985557,0.9718134,
- 0.35222608,0.4853643,0.2569464,0.14783978,0.4889042,0.62900156,0.19994198,0.4618481,
- 0.21673755,0.51749533,0.1260157,0.83759904,0.36438805,0.6704668,0.22010763,0.2359318,
- 0.53004104,0.9723652,0.91218954,0.9153926,0.48207277,0.34850466,0.8939421
- };
+ 0.42333686, 0.6547418, 0.8933691, 0.91466254, 0.5992143, 0.99474055, 0.97750413,
+ 0.97160685, 0.72718734, 0.8699537, 0.643911, 0.09764466, 0.0050113136, 0.46823388,
+ 0.13709934, 0.44892532, 0.59728205, 0.04055081, 0.5579888, 0.18445836, 0.66469765,
+ 0.82715863, 0.91934484, 0.7844356, 0.23489648, 0.021708783, 0.67819905, 0.75761676,
+ 0.48374954, 0.14006922, 0.87082034, 0.7694296, 0.80479276, 0.8241704, 0.95917296,
+ 0.5758142, 0.16839339, 0.34290153, 0.5846108, 0.6878044, 0.1067114, 0.5198196,
+ 0.4356897, 0.68049103, 0.12480807, 0.3538696, 0.06067087, 0.056964435, 0.5382167,
+ 0.07761527, 0.6673144, 0.9045368, 0.11050189, 0.03530183, 0.07864744, 0.98752064,
+ 0.014321936, 0.101833574, 0.43293256, 0.87102246, 0.52411795, 0.90232223, 0.49560344,
+ 0.6803092, 0.2908511, 0.14653015, 0.99105513, 0.7057098, 0.09623502, 0.039713606,
+ 0.88669086, 0.56018597, 0.90632766, 0.99241334, 0.18748309, 0.38991618, 0.6359827,
+ 0.05665585, 0.732304, 0.2703365, 0.19014524, 0.5017947, 0.78862536, 0.81253093,
+ 0.35050204, 0.2832596, 0.65221876, 0.59856164, 0.42758793, 0.78865635, 0.30943435,
+ 0.93780816, 0.62568265, 0.35397422, 0.84209913, 0.48590583, 0.34837773, 0.5811646,
+ 0.42924216, 0.26692122, 0.030709852, 0.84459823, 0.09085059, 0.29297647, 0.48539516,
+ 0.33488297, 0.7877257, 0.8728821, 0.28454545, 0.7109578, 0.86097074, 0.8536262,
+ 0.4978063, 0.5760398, 0.77506036, 0.7716988, 0.27041402, 0.52340513, 0.2055419,
+ 0.8728235, 0.13492358, 0.79122984, 0.52998376, 0.33897072, 0.6426309, 0.8766521,
+ 0.89287037, 0.74047667, 0.42341164, 0.67437655, 0.4682156, 0.67123246, 0.54287183,
+ 0.3580476, 0.94756556, 0.2699457, 0.6131569, 0.75043845, 0.8115012, 0.49610943,
+ 0.7108478, 0.90941435, 0.02233071, 0.37346774, 0.33732748, 0.46691266, 0.35784695,
+ 0.39391598, 0.8556212, 0.884142, 0.11730601, 0.550112, 0.31513855, 0.69654715,
+ 0.58585805, 0.4493127, 0.78515726, 0.8176612, 0.9846698, 0.32842383, 0.41843212,
+ 0.48470423, 0.6757128, 0.95876855, 0.5989163, 0.13587572, 0.72886884, 0.88291156,
+ 0.34402263, 0.66211045, 0.86188424, 0.21498202, 0.26397392, 0.67372984, 0.91386956,
+ 0.7339788, 0.91308993, 0.1953016, 0.1539217, 0.214701, 0.58234113, 0.8019992,
+ 0.63969976, 0.041050985, 0.7293308, 0.26341477, 0.54768014, 0.97596467, 0.12385198,
+ 0.44149798, 0.5519762, 0.1697347, 0.577215, 0.8213594, 0.47874716, 0.64515114,
+ 0.61467725, 0.18463866, 0.23890929, 0.51052976, 0.16807361, 0.53142565, 0.2414274,
+ 0.41690814, 0.98815554, 0.6245643, 0.9477003, 0.24780034, 0.82469565, 0.8614785,
+ 0.9565832, 0.062440686, 0.9710724, 0.039196696, 0.11030199, 0.35234734, 0.02065066,
+ 0.12832293, 0.7328055, 0.48924434, 0.17247158, 0.5769348, 0.44146806, 0.53575355,
+ 0.17258933, 0.6980237, 0.86494404, 0.50573164, 0.5033998, 0.71199447, 0.41353586,
+ 0.26767612, 0.3789118, 0.046621118, 0.58491063, 0.22861995, 0.03134273, 0.53280216,
+ 0.23382367, 0.07748905, 0.96875405, 0.6613716, 0.64087844, 0.8377165, 0.051519375,
+ 0.68997836, 0.3776376, 0.43362603, 0.5358754, 0.51419014, 0.12823892, 0.26574057,
+ 0.508808, 0.15734084, 0.78327274, 0.5045347, 0.5445746, 0.89297736, 0.8531272,
+ 0.91270804, 0.87429863, 0.3965137, 0.13544834, 0.74269205, 0.80592203, 0.045050766,
+ 0.13362087, 0.17090783, 0.02873757, 0.99339336, 0.6394376, 0.48203012, 0.70598215,
+ 0.37082237, 0.39792424, 0.89938444, 0.312602, 0.48755112, 0.18220617, 0.17303479,
+ 0.31954846, 0.78080165, 0.1755106, 0.68262285, 0.84665287, 0.8520143, 0.8459509,
+ 0.39417005, 0.30087698, 0.81362164, 0.61927587, 0.32739028, 0.9023775, 0.27578092,
+ 0.6830477, 0.15842387, 0.8473049, 0.43057114, 0.2019703, 0.20560141, 0.6237757,
+ 0.60283095, 0.27645138, 0.26605442, 0.27985683, 0.41353813, 0.85139906, 0.71711886,
+ 0.5444832, 0.73613757, 0.7397004, 0.7406752, 0.41016674, 0.31896713, 0.4541723,
+ 0.2795807, 0.47941738, 0.00504193, 0.89091027, 0.8097144, 0.63033766, 0.37252298,
+ 0.9132861, 0.5102532, 0.04104481, 0.30368647, 0.21573475, 0.99520445, 0.5047808,
+ 0.6868845, 0.99881023, 0.30377692, 0.2554386, 0.47201005, 0.11120686, 0.10077732,
+ 0.1853349, 0.49159425, 0.3938629, 0.8989509, 0.9887155, 0.698771, 0.695701,
+ 0.78368753, 0.52537227, 0.19451462, 0.3659248, 0.1968508, 0.7751828, 0.33103722,
+ 0.40406147, 0.37832898, 0.68663514, 0.32225925, 0.41771907, 0.034218453, 0.42808908,
+ 0.20685343, 0.1861495, 0.045986768, 0.8532299, 0.17200677, 0.44670314, 0.56831235,
+ 0.5388232, 0.5430553, 0.69175136, 0.6462231, 0.42827028, 0.10050113, 0.30627027,
+ 0.9967943, 0.6684778, 0.5928422, 0.63392985, 0.99123496, 0.79301435, 0.7936309,
+ 0.42839453, 0.39781123, 0.22329247, 0.0122212395, 0.2807108, 0.19812097, 0.5576105,
+ 0.115653396, 0.3732018, 0.7622857, 0.19847734, 0.5310287, 0.7298145, 0.5518292,
+ 0.9117333, 0.13215758, 0.33716795, 0.42372775, 0.6779287, 0.35799992, 0.097887225,
+ 0.20171605, 0.9948177, 0.1829232, 0.80349857, 0.9807098, 0.22959666, 0.67322475,
+ 0.63094735, 0.93454355, 0.15962408, 0.04335433, 0.47104993, 0.36784375, 0.45258796,
+ 0.93415564, 0.1655446, 0.7195017, 0.76236975, 0.3846913, 0.01330617, 0.84716374,
+ 0.1227003, 0.65102947, 0.6632434, 0.3728453, 0.4222391, 0.6942989, 0.16014872,
+ 0.10798196, 0.94033676, 0.026525471, 0.8379024, 0.5484514, 0.13500613, 0.22919805,
+ 0.7001831, 0.6573261, 0.38086265, 0.8725666, 0.35077834, 0.28415123, 0.42283052,
+ 0.668379, 0.9769895, 0.37621376, 0.646407, 0.11188069, 0.17129017, 0.7441628,
+ 0.25617477, 0.7751679, 0.8565412, 0.67631435, 0.45213568, 0.61896557, 0.3387995,
+ 0.51607716, 0.60779697, 0.16428445, 0.5080923, 0.13012086, 0.61184275, 0.7690249,
+ 0.9578811, 0.67365676, 0.16241212, 0.97157824, 0.5595742, 0.75936574, 0.6043881,
+ 0.2149638, 0.4925318, 0.58727825, 0.97953695, 0.01605968, 0.2819307, 0.6448378,
+ 0.4265335, 0.661541, 0.3976571, 0.40607136, 0.46425515, 0.2055872, 0.2716193,
+ 0.4132582, 0.8372537, 0.37787434, 0.082228854, 0.7985557, 0.9718134, 0.35222608,
+ 0.4853643, 0.2569464, 0.14783978, 0.4889042, 0.62900156, 0.19994198, 0.4618481,
+ 0.21673755, 0.51749533, 0.1260157, 0.83759904, 0.36438805, 0.6704668, 0.22010763,
+ 0.2359318, 0.53004104, 0.9723652, 0.91218954, 0.9153926, 0.48207277, 0.34850466,
+ 0.8939421};
std::vector<std::vector<float>> input_vectors{input_zeros,
input_ones,
input_random};
- std::vector<float> output_zeros(512, 0);
- std::vector<float> output_ones(512, 0);
- std::vector<float> output_random(512, 0);
+ std::vector<float> output_zeros(nElem, 0);
+ std::vector<float> output_ones(nElem, 0);
+ std::vector<float> output_random(nElem, 0);
std::vector<std::vector<float>> output_vectors{output_zeros,
output_ones,
output_random};
- std::vector<float> expected_result_zeros(512, 0);
- std::vector<float> expected_result_ones(512, 0);
- expected_result_ones[0] = 512.0;
+ std::vector<float> expected_result_zeros(nElem, 0);
+ std::vector<float> expected_result_ones(nElem, 0);
+ expected_result_ones[0] = static_cast<float>(nElem);
/* Values are stored as [real0, realN/2, real1, im1, real2, im2, ...] */
std::vector<float> expected_result_random{
- 2.59510161e+02, 2.59796867, 2.55982143, -5.91349888,
- -1.80049237, 1.09902763, 4.00943240, 7.76684892,
- 4.32617219, -4.33636417, 2.98128463, -0.83763449,
- 2.92973078, -3.75655459, 2.27203161, -4.61106145,
- 5.55562176, -4.71880166, 2.13693416, -2.20496619,
- 2.31174036, -3.52991041, -6.16870680e-01, 2.43455407,
- 4.76317833, 8.66518565, 1.72350562, -1.33641312,
- 5.82836675, 0.89396187, 8.15031483, 4.34599034,
- 5.99780199, 2.94900065, -2.34462045e-02, -5.03789597,
- 1.21907020e+01, -6.47012928, 1.24434715, 0.23621713,
- 9.20921279e-01, -9.20510398, -7.73267254e-01, -3.72141078,
- 6.28883709, 4.00634065, 4.46491682, 0.74625307,
- -5.87506158e-01, -4.22833058, 3.15189786, -1.82518672,
- -6.93782260, 2.4170692, 3.23045185, 3.33383799,
- 5.10059531e-02, -3.4233929, -2.91651323, -0.0258584,
- 5.84499843, -9.51454903, -1.49214047e+01, 5.52200123,
- 4.52179590, -7.08268703, 5.16775420e-01, -2.90878759,
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+ 5.84499843, -9.51454903, -14.9214047, 5.52200123, 4.5217959, -7.08268703,
+ 0.51677542, -2.90878759, 5.04314682, -1.16928599, -10.7329243, -0.2719951,
+ -3.95269565, -2.32475678, -4.11031641, -2.20538835, -0.589005095, -5.65483456,
+ -10.8927018, 5.74801823, -5.72520347, -3.94970165, -0.518407515, 1.23622633,
+ 9.56297959, 0.24424306, -3.74306351, 9.63476301, -4.74493837, -0.35443496,
+ 6.54760504, 1.16188913, -13.341695, 7.19088609, -2.560458, -0.49557866,
+ 2.93460322, 6.91076746, -0.284779221, 6.59958391, 1.70963995, -7.67293252,
+ 4.1850079, -0.14627552, -1.24855113, -1.43322867, 0.360644904, -4.11521374,
+ -10.0628421, 2.87531563, -9.34809732, -0.58251846, 3.61799848, -5.10288284,
+ -5.96239076, 1.99792128, -0.0783229243, 1.81741166, 2.32709681, 0.68487206,
+ -3.08398468, 1.5177629, 1.41015388, 4.51146401, 1.90769911, 0.56093423,
+ 3.58389141, -0.14974575, -2.20163907, -1.62177814, -1.91904127, 1.94645907,
+ -0.13772293, -4.30291678, -2.61843435, 0.12691241, 3.28959117, 4.7309582,
+ -2.93995652, 0.39835926, 2.89711768, 1.42284586, -5.13129145, -7.26477374,
+ 3.74616158, -2.59659457, 3.8574875, -2.93737277, 3.17748694, -4.45041455,
+ -2.68466437, 1.37377726, 1.60008368, 1.63787578, -1.95661401, -6.34937202,
+ -2.62744282, -5.20892662, 0.890553959, -6.37113573, 2.35885332, -10.04547561,
+ 0.329866159, 1.89217741, 0.882516491, -3.53298728, -2.22525608, -5.64794388,
+ -5.19226843, 2.5971315, 4.49346648, -0.20428409, -6.14851885, -11.90893875,
+ 3.75899776, -1.86910056, 2.78518535, -2.6359501, -2.13423317, 4.86509946,
+ -2.37625499, 7.42404308, 6.71175474, 6.06191618, 2.59014379, 4.76329698,
+ 9.19140042, 9.69149015, 3.33307819, -4.03094924, 2.12988453, -0.15820258,
+ -10.3422801, -3.04462388, 3.59852152, -2.00887343, -3.69998656, 0.90050102,
+ 0.679959099, -1.88604949, 1.24235316, 0.41309537, 6.13876866, -7.1040085,
+ 6.17728674, 1.91667103, -1.32895472, -0.17674661, -6.94720428, 3.10502593,
+ -2.33990738, -1.27840434, 3.2144252, 2.14102714, 2.37498837, 3.8158066,
+ -2.24107675, -5.52527559, -2.9569793, -0.50367608, 3.01687661, 7.08195792,
+ 6.7860479, -3.94154162, 2.24402195, 4.60132638, 3.42211139, 4.17689039,
+ -1.17277194, 2.15404472, -2.3748193, 1.42611867, -0.463033506, 3.21563035,
+ 1.38662123, 3.98598717, -3.75283402, -2.47600433, -1.97290542, 2.83361487,
+ -0.845662834, 5.57411581, -0.972981483, -11.394208, 1.88220611, -0.80225125,
+ -0.434295854, -8.2954126, 3.81795409, -3.17146, -4.61994107, -1.59820505,
+ -5.98834455, -4.93129451, -0.513862996, -0.15649305, -5.59094391, 6.25244435,
+ -6.59974456, 13.17193115, 4.48609092, 1.64741879, 7.40985006, 0.44896188,
+ 3.81058449, -0.76425931, -5.47938416, 4.01447941, -3.21535548, -1.45542238,
+ 0.72274083, -0.23983128, -4.32373034, 0.1337671, -5.89365226, -3.18756318,
+ 7.90979161, 5.27570134, -3.43094553, -6.00826981, 1.17932561, -3.50027177,
+ 0.181306385, 1.1062498, 0.723650536, -1.55500613, -3.88047911, -2.43746762,
+ -6.81565579, 2.16343352, 2.46366137, 2.38704469, -2.55106395, 6.5091449,
+ -2.06510578, 11.11320924, 2.06649835, -1.05026064, 1.63564303, -0.04638729,
+ 1.45053876, 0.43730146, 1.25027939, 0.79932743, 2.81088838, 6.95136058,
+ -4.41417255, 2.89610628, 1.15426258, -2.60704937, -2.77744882, 4.12872365,
+ -2.98288336, 6.75607352, 2.36553382, -2.10540332, -7.30042988, -5.44897893,
+ 3.44048454, 4.29726231, 2.181995, -0.80126759, -4.04051175, 4.57584864,
+ 0.956312116, -4.45183318, 3.42348929, -9.84138181, 8.69604433, -6.6481311,
+ 0.468232735, 1.41031176, -1.240857, 10.61672181, 0.356591473, 10.51631421,
+ -0.99743547, 2.72157537, 8.63583929, -2.19404252, -1.53605811, -4.41068581,
+ 2.05371873, 1.25665769, 1.65289503, 4.52520582, -0.535062642, 0.82084677,
+ -11.0079476, -5.09361474, 9.63129107, 3.90056638, -4.19779738, 0.06565745,
+ 2.42526917, 2.5854233, -3.66709357, 3.80502971, -0.101489353, -6.85423228,
+ -13.9361494, -0.43904617, 6.01800968, -1.30751495, -4.75122234, 2.74740671,
+ 5.54971138, 9.43409003, -0.994733058, -3.0096825, -8.60263376, 0.36653762,
+ 3.53318614, -2.69194556, -8.9514574, -4.71570923, 5.15417709, 2.68645385,
+ -2.78042293, 8.21739385, 0.590225003, 2.13319153, 1.72158888, 0.18114627,
+ 3.92269446, 3.3525857, -3.40313825, 4.39280934, -1.70368966, 1.29121245,
+ -3.11326453, -1.85941318, 4.57078881, 0.72531039, 6.00445664, 4.9588524,
+ -3.32944491, -0.02080722, -7.42374632, -3.23290026, -0.81614579, 3.55935439,
+ -0.619206533, 2.42859073, 2.21486456, 3.76402487, 3.90930695, -3.61610186,
+ -0.812712547, -14.63377988, 1.14460823, -3.14089899, 3.18097435, 1.21957751,
+ 2.85181833, 0.89990235, -4.32147361, -5.54219361, -1.12253677, 2.96141081,
+ -4.4257707, 3.17282306, 4.9174671, 1.16977744, -4.55148089, -2.82520179,
+ -1.71684103, 1.91487668, 0.770726836, 0.78534837, -5.91048566, -4.8288477,
+ -1.35560162, -3.60938315, 1.15812301, 2.44299541, 1.3611519, -5.40950935,
+ 7.08292127, 0.27720591, -0.160210828, 2.75862348, -1.57403782, 9.97207524,
+ -2.08957576, 8.70299964, -5.33004663, 4.1547783, 3.51580675, -5.10788085,
+ 4.37938353, -3.73449894, 1.44673271, 0.51941469, 0.852232446, -1.1134965,
+ -1.43972745, -1.62952127, -2.50759973, 1.19012213, 0.572772282, -2.71833059,
+ -6.8471899, 4.2621535, 1.58954734, -0.53827818, -0.144624396, 7.63866979,
+ 0.410423977, -2.4785678, -5.02681867, -2.03469811, 0.959505727, 2.68589705,
+ 3.20889444, -10.76452533, -3.84771551, 2.49189796, -3.19895938, -3.49948794,
+ -2.6723897, 5.11386526, -3.85957031, -1.40741978, 0.176663166, -11.7111276,
+ 0.639997364, -1.30321198, 3.20767633, 1.65750671, -11.6187257, -4.36634782,
+ -3.18675281, -4.89279155, -4.08760307, 2.19269283, -1.5892487, 0.17948212,
+ 4.81376107, 2.01871001, -0.324211095, -0.2790092, 1.12603878, -3.61503491,
+ -2.86982317, -3.03634532, 8.0771391, 2.21302089, 2.91496011, -2.58564072,
+ 0.0, 0.0};
- std::vector<std::vector<float>> expected_results_vectors{expected_result_zeros,
- expected_result_ones,
- expected_result_random};
+ std::vector<std::vector<float>> expected_results_vectors{
+ expected_result_zeros, expected_result_ones, expected_result_random};
arm::app::math::FftInstance fftInstance;
+
/* Iterate over each of the input vectors, calculate FFT and compare with corresponding expected_results vectors */
for (size_t j = 0; j < input_vectors.size(); j++) {
uint16_t fftLen = input_vectors[j].size();
arm::app::math::MathUtils::FftInitF32(fftLen, fftInstance);
arm::app::math::MathUtils::FftF32(input_vectors[j], output_vectors[j], fftInstance);
- float tolerance = 10e-4;
+ const float tolerance = 10e-4;
for (size_t i = 0; i < fftLen/2; i++) {
- CHECK (output_vectors[j][i] ==
- Approx(expected_results_vectors[j][i]).margin(tolerance));
+ CHECK(output_vectors[j][i] == Approx(expected_results_vectors[j][i]).margin(tolerance));
+ }
+ }
+ /* Test inverse FFTs using the forward FFT for complex numbers.
+ * IFFT(XVec) = (1/N)(Conj(FFT(Conj(Xvec)))) */
+ for (size_t j = 0; j < input_vectors.size(); j++) {
+ const uint16_t fftLen = input_vectors[j].size();
+ const size_t inputSz = fftLen * 2;
+
+ /* This vector will populate the input for FFT for complex numbers. */
+ std::vector<float> inputWithConjugates(inputSz);
+
+ /* We expect the output of this test to return the original input. */
+ std::vector<float> expectedOutputVector = input_vectors[j];
+
+ /* Placeholder for output vector. */
+ std::vector<float> outputVector(inputWithConjugates.size());
+
+ /* Populate the 0 and N/2 elements (these will be real numbers
+ * only - no imaginary parts. */
+ inputWithConjugates[0] = expected_results_vectors[j][0];
+ inputWithConjugates[fftLen] = expected_results_vectors[j][1];
+
+ /* Populate the rest of the elements - conjugates of the original for the left mirror
+ * and the right side with what the left would have been, i.e.,
+ * conjugate(conjugate(X_left)). */
+ for (size_t i = 2; i < fftLen; i += 2) {
+ inputWithConjugates[i] = expected_results_vectors[j][i];
+ inputWithConjugates[i + 1] = 0 - expected_results_vectors[j][i + 1];
+ inputWithConjugates[fftLen + i] = expected_results_vectors[j][fftLen - i];
+ inputWithConjugates[fftLen + i + 1] = expected_results_vectors[j][fftLen - i + 1];
+ }
+
+ arm::app::math::MathUtils::FftInitF32(
+ fftLen, fftInstance, arm::app::math::FftType::complex);
+ arm::app::math::MathUtils::FftF32(inputWithConjugates, outputVector, fftInstance);
+
+ const float tolerance = 0.1;
+ for (size_t i = 0; i < expectedOutputVector.size(); i++) {
+
+ /* The number returned here will be nElem times the output. */
+ CHECK(outputVector[i * 2] / static_cast<float>(nElem) ==
+ Approx(expectedOutputVector[i]).margin(tolerance));
+
+ /* The imaginary part here should be close to 0 as the original input
+ * we supplied was real. */
+ CHECK(outputVector[i * 2 + 1] / nElem == Approx(0.f).margin(tolerance));
}
}
}