Using ClangBuildAnalyzer on the whole Blender build, it was pointing out that BLI_math.h is the heaviest "header hub" (i.e. non tiny file that is included a lot). However, there's very little (actually zero) source files in Blender that need "all the math" (base, colors, vectors, matrices, quaternions, intersection, interpolation, statistics, solvers and time). A common use case is source files needing just vectors, or just vectors & matrices, or just colors etc. Actually, 181 files were including the whole math thing without needing it at all. This change removes BLI_math.h completely, and instead in all the places that need it, includes BLI_math_vector.h or BLI_math_color.h and so on. Change from that: - BLI_math_color.h was included 1399 times -> now 408 (took 114.0sec to parse -> now 36.3sec) - BLI_simd.h 1403 -> 418 (109.7sec -> 34.9sec). Full rebuild of Blender (Apple M1, Xcode, RelWithDebInfo) is not affected much (342sec -> 334sec). Most of benefit would be when someone's changing BLI_simd.h or BLI_math_color.h or similar files, that now there's 3x fewer files result in a recompile. Pull Request #110944
38 lines
1.3 KiB
C++
38 lines
1.3 KiB
C++
/* SPDX-FileCopyrightText: 2023 Blender Foundation
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*
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* SPDX-License-Identifier: Apache-2.0 */
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#include "testing/testing.h"
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#include "BLI_math_time.h"
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TEST(math_time, SecondsExplode)
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{
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const double seconds = 2.0 * SECONDS_IN_DAY + 13.0 * SECONDS_IN_HOUR + 33.0 * SECONDS_IN_MINUTE +
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9.0 + 369.0 * SECONDS_IN_MILLISECONDS;
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const double epsilon = 1e-8;
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double r_days, r_hours, r_minutes, r_seconds, r_milliseconds;
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BLI_math_time_seconds_decompose(
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seconds, &r_days, &r_hours, &r_minutes, &r_seconds, &r_milliseconds);
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EXPECT_NEAR(2.0, r_days, epsilon);
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EXPECT_NEAR(13.0, r_hours, epsilon);
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EXPECT_NEAR(33.0, r_minutes, epsilon);
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EXPECT_NEAR(9.0, r_seconds, epsilon);
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EXPECT_NEAR(369.0, r_milliseconds, epsilon);
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BLI_math_time_seconds_decompose(seconds, nullptr, &r_hours, &r_minutes, &r_seconds, nullptr);
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EXPECT_NEAR(61.0, r_hours, epsilon);
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EXPECT_NEAR(33.0, r_minutes, epsilon);
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EXPECT_NEAR(9.369, r_seconds, epsilon);
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BLI_math_time_seconds_decompose(seconds, nullptr, nullptr, nullptr, &r_seconds, nullptr);
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EXPECT_NEAR(seconds, r_seconds, epsilon);
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BLI_math_time_seconds_decompose(seconds, &r_days, nullptr, &r_minutes, nullptr, &r_milliseconds);
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EXPECT_NEAR(2.0, r_days, epsilon);
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EXPECT_NEAR(813.0, r_minutes, epsilon);
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EXPECT_NEAR(9369.0, r_milliseconds, epsilon);
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}
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