diff options
Diffstat (limited to 'test/ipa/libipa')
| -rw-r--r-- | test/ipa/libipa/fixedpoint.cpp | 108 | ||||
| -rw-r--r-- | test/ipa/libipa/meson.build | 2 | ||||
| -rw-r--r-- | test/ipa/libipa/vector.cpp | 100 |
3 files changed, 109 insertions, 101 deletions
diff --git a/test/ipa/libipa/fixedpoint.cpp b/test/ipa/libipa/fixedpoint.cpp new file mode 100644 index 00000000..99eb662d --- /dev/null +++ b/test/ipa/libipa/fixedpoint.cpp @@ -0,0 +1,108 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* + * Copyright (C) 2024, Paul Elder <paul.elder@ideasonboard.com> + * + * Fixed / Floating point utility tests + */ + +#include <cmath> +#include <iostream> +#include <map> +#include <stdint.h> + +#include "../src/ipa/libipa/fixedpoint.h" + +#include "test.h" + +using namespace std; +using namespace libcamera; +using namespace ipa; + +class FixedPointUtilsTest : public Test +{ +protected: + /* R for real, I for integer */ + template<unsigned int IntPrec, unsigned int FracPrec, typename I, typename R> + int testFixedToFloat(I input, R expected) + { + R out = fixedToFloatingPoint<IntPrec, FracPrec, R>(input); + R prec = 1.0 / (1 << FracPrec); + if (std::abs(out - expected) > prec) { + cerr << "Reverse conversion expected " << input + << " to convert to " << expected + << ", got " << out << std::endl; + return TestFail; + } + + return TestPass; + } + + template<unsigned int IntPrec, unsigned int FracPrec, typename T> + int testSingleFixedPoint(double input, T expected) + { + T ret = floatingToFixedPoint<IntPrec, FracPrec, T>(input); + if (ret != expected) { + cerr << "Expected " << input << " to convert to " + << expected << ", got " << ret << std::endl; + return TestFail; + } + + /* + * The precision check is fairly arbitrary but is based on what + * the rkisp1 is capable of in the crosstalk module. + */ + double f = fixedToFloatingPoint<IntPrec, FracPrec, double>(ret); + if (std::abs(f - input) > 0.005) { + cerr << "Reverse conversion expected " << ret + << " to convert to " << input + << ", got " << f << std::endl; + return TestFail; + } + + return TestPass; + } + + int testFixedPoint() + { + /* + * The second 7.992 test is to test that unused bits don't + * affect the result. + */ + std::map<double, uint16_t> testCases = { + { 7.992, 0x3ff }, + { 0.2, 0x01a }, + { -0.2, 0x7e6 }, + { -0.8, 0x79a }, + { -0.4, 0x7cd }, + { -1.4, 0x74d }, + { -8, 0x400 }, + { 0, 0 }, + }; + + int ret; + for (const auto &testCase : testCases) { + ret = testSingleFixedPoint<4, 7, uint16_t>(testCase.first, + testCase.second); + if (ret != TestPass) + return ret; + } + + /* Special case with a superfluous one in the unused bits */ + ret = testFixedToFloat<4, 7, uint16_t, double>(0xbff, 7.992); + if (ret != TestPass) + return ret; + + return TestPass; + } + + int run() + { + /* fixed point conversion test */ + if (testFixedPoint() != TestPass) + return TestFail; + + return TestPass; + } +}; + +TEST_REGISTER(FixedPointUtilsTest) diff --git a/test/ipa/libipa/meson.build b/test/ipa/libipa/meson.build index f9b3c46d..eaf4b49a 100644 --- a/test/ipa/libipa/meson.build +++ b/test/ipa/libipa/meson.build @@ -1,8 +1,8 @@ # SPDX-License-Identifier: CC0-1.0 libipa_test = [ + {'name': 'fixedpoint', 'sources': ['fixedpoint.cpp']}, {'name': 'interpolator', 'sources': ['interpolator.cpp']}, - {'name': 'vector', 'sources': ['vector.cpp']}, ] foreach test : libipa_test diff --git a/test/ipa/libipa/vector.cpp b/test/ipa/libipa/vector.cpp deleted file mode 100644 index 8e4ec77d..00000000 --- a/test/ipa/libipa/vector.cpp +++ /dev/null @@ -1,100 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-or-later */ -/* - * Copyright (C) 2024, Ideas on Board Oy - * - * Vector tests - */ - -#include "../src/ipa/libipa/vector.h" - -#include <cmath> -#include <iostream> - -#include "test.h" - -using namespace libcamera::ipa; - -#define ASSERT_EQ(a, b) \ -if ((a) != (b)) { \ - std::cout << #a " != " #b << " (line " << __LINE__ << ")" \ - << std::endl; \ - return TestFail; \ -} - -class VectorTest : public Test -{ -protected: - int run() - { - Vector<double, 3> v1{ 0.0 }; - - ASSERT_EQ(v1[0], 0.0); - ASSERT_EQ(v1[1], 0.0); - ASSERT_EQ(v1[2], 0.0); - - ASSERT_EQ(v1.length(), 0.0); - ASSERT_EQ(v1.length2(), 0.0); - - Vector<double, 3> v2{{ 1.0, 4.0, 8.0 }}; - - ASSERT_EQ(v2[0], 1.0); - ASSERT_EQ(v2[1], 4.0); - ASSERT_EQ(v2[2], 8.0); - - ASSERT_EQ(v2.x(), 1.0); - ASSERT_EQ(v2.y(), 4.0); - ASSERT_EQ(v2.z(), 8.0); - - ASSERT_EQ(v2.r(), 1.0); - ASSERT_EQ(v2.g(), 4.0); - ASSERT_EQ(v2.b(), 8.0); - - ASSERT_EQ(v2.length2(), 81.0); - ASSERT_EQ(v2.length(), 9.0); - ASSERT_EQ(v2.sum(), 13.0); - - Vector<double, 3> v3{ v2 }; - - ASSERT_EQ(v2, v3); - - v3 = Vector<double, 3>{{ 4.0, 4.0, 4.0 }}; - - ASSERT_EQ(v2 + v3, (Vector<double, 3>{{ 5.0, 8.0, 12.0 }})); - ASSERT_EQ(v2 + 4.0, (Vector<double, 3>{{ 5.0, 8.0, 12.0 }})); - ASSERT_EQ(v2 - v3, (Vector<double, 3>{{ -3.0, 0.0, 4.0 }})); - ASSERT_EQ(v2 - 4.0, (Vector<double, 3>{{ -3.0, 0.0, 4.0 }})); - ASSERT_EQ(v2 * v3, (Vector<double, 3>{{ 4.0, 16.0, 32.0 }})); - ASSERT_EQ(v2 * 4.0, (Vector<double, 3>{{ 4.0, 16.0, 32.0 }})); - ASSERT_EQ(v2 / v3, (Vector<double, 3>{{ 0.25, 1.0, 2.0 }})); - ASSERT_EQ(v2 / 4.0, (Vector<double, 3>{{ 0.25, 1.0, 2.0 }})); - - ASSERT_EQ(v2.min(v3), (Vector<double, 3>{{ 1.0, 4.0, 4.0 }})); - ASSERT_EQ(v2.min(4.0), (Vector<double, 3>{{ 1.0, 4.0, 4.0 }})); - ASSERT_EQ(v2.max(v3), (Vector<double, 3>{{ 4.0, 4.0, 8.0 }})); - ASSERT_EQ(v2.max(4.0), (Vector<double, 3>{{ 4.0, 4.0, 8.0 }})); - - ASSERT_EQ(v2.dot(v3), 52.0); - - v2 += v3; - ASSERT_EQ(v2, (Vector<double, 3>{{ 5.0, 8.0, 12.0 }})); - v2 -= v3; - ASSERT_EQ(v2, (Vector<double, 3>{{ 1.0, 4.0, 8.0 }})); - v2 *= v3; - ASSERT_EQ(v2, (Vector<double, 3>{{ 4.0, 16.0, 32.0 }})); - v2 /= v3; - ASSERT_EQ(v2, (Vector<double, 3>{{ 1.0, 4.0, 8.0 }})); - - v2 += 4.0; - ASSERT_EQ(v2, (Vector<double, 3>{{ 5.0, 8.0, 12.0 }})); - v2 -= 4.0; - ASSERT_EQ(v2, (Vector<double, 3>{{ 1.0, 4.0, 8.0 }})); - v2 *= 4.0; - ASSERT_EQ(v2, (Vector<double, 3>{{ 4.0, 16.0, 32.0 }})); - v2 /= 4.0; - ASSERT_EQ(v2, (Vector<double, 3>{{ 1.0, 4.0, 8.0 }})); - - return TestPass; - } -}; - -TEST_REGISTER(VectorTest) |