From 53e22b11857fed62e2313d6d84d90f88ed412ffb Mon Sep 17 00:00:00 2001 From: Alexander Harkness Date: Mon, 29 Jul 2013 12:13:03 +0100 Subject: Changed everyting to Unix line endings. --- Tests/NoiseTest/NoiseTest.cpp | 202 +++++++++++++++++++++--------------------- 1 file changed, 101 insertions(+), 101 deletions(-) (limited to 'Tests/NoiseTest/NoiseTest.cpp') diff --git a/Tests/NoiseTest/NoiseTest.cpp b/Tests/NoiseTest/NoiseTest.cpp index eae024f2f..5542f3ca6 100644 --- a/Tests/NoiseTest/NoiseTest.cpp +++ b/Tests/NoiseTest/NoiseTest.cpp @@ -1,101 +1,101 @@ - -// NoiseTest.cpp - -// Implements the main app entrypoint - -#include "Globals.h" -#include -#include "Noise.h" - - - - - -void SaveValues(NOISE_DATATYPE * a_Values, const AString & a_FileName) -{ - cFile f; - if (!f.Open(a_FileName, cFile::fmWrite)) - { - LOGWARNING("Cannot write file %s", a_FileName.c_str()); - return; - } - for (int y = 0; y < 256; y++) - { - unsigned char val[256]; - for (int x = 0; x < 256; x++) - { - val[x] = std::min(255, std::max(0, (int)(256 * a_Values[x + 256 * y]))); - } - f.Write(val, 256); - } -} - - - - - -clock_t TestCubicNoise(void) -{ - cCubicNoise Cubic(0); - NOISE_DATATYPE Values[256 * 256]; - - // Do a speed test: - clock_t Begin = clock(); - for (int i = 0; i < 1000; i++) - { - Cubic.Generate2D(Values, 256, 256, 0, (NOISE_DATATYPE)25.6, 0, (NOISE_DATATYPE)25.6); - } - clock_t Ticks = clock() - Begin; - LOG("cCubicNoise generating 1000 * 256x256 values took %d ticks (%.02f sec)", Ticks, (double)Ticks / CLOCKS_PER_SEC); - - // Save the results into a file for visual comparison: - SaveValues(Values, "NoiseCubic.raw"); - - return Ticks; -} - - - - - -clock_t TestOldNoise(void) -{ - cNoise Noise(0); - NOISE_DATATYPE Values[256 * 256]; - - // Do a speed test: - clock_t Begin = clock(); - for (int i = 0; i < 1000; i++) - { - for (int y = 0; y < 256; y++) - { - float fy = (float)y / 10; - for (int x = 0; x < 256; x++) - { - Values[x + 256 * y] = Noise.CubicNoise2D((float)x / 10, fy); - } // for x - } // for y - } - clock_t Ticks = clock() - Begin; - LOG("cNoise generating 1000 * 256x256 values took %d ticks (%.02f sec)", Ticks, (double)Ticks / CLOCKS_PER_SEC); - - // Save the results into a file for visual comparison: - SaveValues(Values, "NoiseOld.raw"); - - return Ticks; -} - - - - - -int main(int argc, char * argv[]) -{ - new cMCLogger(); // Create a logger (will set itself as the main instance - - clock_t NewTicks = TestCubicNoise(); - clock_t OldTicks = TestOldNoise(); - LOG("New method is %.02fx faster", (double)OldTicks / NewTicks); - LOG("Press Enter to quit program"); - getchar(); -} + +// NoiseTest.cpp + +// Implements the main app entrypoint + +#include "Globals.h" +#include +#include "Noise.h" + + + + + +void SaveValues(NOISE_DATATYPE * a_Values, const AString & a_FileName) +{ + cFile f; + if (!f.Open(a_FileName, cFile::fmWrite)) + { + LOGWARNING("Cannot write file %s", a_FileName.c_str()); + return; + } + for (int y = 0; y < 256; y++) + { + unsigned char val[256]; + for (int x = 0; x < 256; x++) + { + val[x] = std::min(255, std::max(0, (int)(256 * a_Values[x + 256 * y]))); + } + f.Write(val, 256); + } +} + + + + + +clock_t TestCubicNoise(void) +{ + cCubicNoise Cubic(0); + NOISE_DATATYPE Values[256 * 256]; + + // Do a speed test: + clock_t Begin = clock(); + for (int i = 0; i < 1000; i++) + { + Cubic.Generate2D(Values, 256, 256, 0, (NOISE_DATATYPE)25.6, 0, (NOISE_DATATYPE)25.6); + } + clock_t Ticks = clock() - Begin; + LOG("cCubicNoise generating 1000 * 256x256 values took %d ticks (%.02f sec)", Ticks, (double)Ticks / CLOCKS_PER_SEC); + + // Save the results into a file for visual comparison: + SaveValues(Values, "NoiseCubic.raw"); + + return Ticks; +} + + + + + +clock_t TestOldNoise(void) +{ + cNoise Noise(0); + NOISE_DATATYPE Values[256 * 256]; + + // Do a speed test: + clock_t Begin = clock(); + for (int i = 0; i < 1000; i++) + { + for (int y = 0; y < 256; y++) + { + float fy = (float)y / 10; + for (int x = 0; x < 256; x++) + { + Values[x + 256 * y] = Noise.CubicNoise2D((float)x / 10, fy); + } // for x + } // for y + } + clock_t Ticks = clock() - Begin; + LOG("cNoise generating 1000 * 256x256 values took %d ticks (%.02f sec)", Ticks, (double)Ticks / CLOCKS_PER_SEC); + + // Save the results into a file for visual comparison: + SaveValues(Values, "NoiseOld.raw"); + + return Ticks; +} + + + + + +int main(int argc, char * argv[]) +{ + new cMCLogger(); // Create a logger (will set itself as the main instance + + clock_t NewTicks = TestCubicNoise(); + clock_t OldTicks = TestOldNoise(); + LOG("New method is %.02fx faster", (double)OldTicks / NewTicks); + LOG("Press Enter to quit program"); + getchar(); +} -- cgit v1.2.3