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authorbearbin <bearbin@gmail.com>2013-07-29 14:55:26 +0200
committerbearbin <bearbin@gmail.com>2013-07-29 14:55:26 +0200
commitfb1044c4e55c726753d094b66756a1cb3bc60ee8 (patch)
treec61e56725da7dff0154d566722651e2c39c9d6c6 /Tests/NoiseTest/NoiseTest.cpp
parentWebAdmin: Removed the duplicate memory usage querying (diff)
parentChanged everyting to Unix line endings. (diff)
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Diffstat (limited to 'Tests/NoiseTest/NoiseTest.cpp')
-rw-r--r--Tests/NoiseTest/NoiseTest.cpp202
1 files changed, 101 insertions, 101 deletions
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 <time.h>
-#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 <time.h>
+#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();
+}