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Refactor all values to have a universal support for modulations.

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The modulation is now always added during value transformation.
With this, a lot of *_MOD defines could be removed.
The waveform for some tests changed slightly, because when the
value is saved to memory after modulating it, there is some
rounding errors.
This commit is contained in:
Veikko Sariola
2020-05-01 16:56:30 +03:00
parent 0c08f3d41c
commit 53a1be9b61
35 changed files with 110 additions and 350 deletions
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21
tests/test_renderer.c
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@ -10,6 +10,8 @@
#include <sys/stat.h>
#endif
#include <math.h>
extern void __stdcall _4klang_render();
@ -25,6 +27,8 @@ int main(int argc, char* argv[]) {
char actual_output_folder[] = "actual_output/";
long fsize;
long bufsize;
boolean small_difference;
double diff;
#ifndef GO4K_USE_16BIT_OUTPUT
float* buf = NULL;
float* filebuf = NULL;
@ -82,11 +86,26 @@ int main(int argc, char* argv[]) {
fread((void*)filebuf, test_max_samples * 2, sizeof(*filebuf), f);
small_difference = FALSE;
for (n = 0; n < test_max_samples * 2; n++) {
if (buf[n] != filebuf[n]) {
diff = (double)(buf[n]) - (double)(filebuf[n]);
#ifdef GO4K_USE_16BIT_OUTPUT
diff = diff / 32768.0f;
#endif
diff = fabs(diff);
if (diff > 1e-4f) {
printf("4klang rendered different wave than expected\n");
goto fail;
}
else if (diff > 0.0f) {
small_difference = TRUE;
}
}
if (small_difference) {
printf("4klang rendered almost correct wave, but with small errors (< 1e-4)\n");
goto fail;
}
success: