libcm is a C development framework with an emphasis on audio signal processing applications.
選択できるのは25トピックまでです。 トピックは、先頭が英数字で、英数字とダッシュ('-')を使用した35文字以内のものにしてください。

cmComplexTypes.c 1.1KB

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  1. #include "cmPrefix.h"
  2. #include "cmGlobal.h"
  3. #include "cmFloatTypes.h"
  4. #include "cmComplexTypes.h"
  5. void cmVOCR_MultVVV( cmComplexR_t* y, const cmComplexS_t* x0, const cmComplexR_t* x1, unsigned n )
  6. {
  7. unsigned i;
  8. for(i=0; i<n; ++i)
  9. {
  10. y[i] = x0[i] * x1[i];
  11. /*
  12. cmReal_t ab = x0[i].r * x1[i].r;
  13. cmReal_t bd = x0[i].i * x1[i].i;
  14. cmReal_t bc = x0[i].i * x1[i].r;
  15. cmReal_t ad = x0[i].r * x1[i].i;
  16. y[i].r = ab - bd;
  17. y[i].i = bc + ad;
  18. */
  19. }
  20. }
  21. void cmVOCR_MultVFV( cmComplexR_t* y, const float* x, unsigned n )
  22. {
  23. unsigned i;
  24. for(i=0; i<n; ++i)
  25. {
  26. y[i] *= x[i];
  27. }
  28. }
  29. void cmVOCR_DivVFV( cmComplexR_t* y, const float* x, unsigned n )
  30. {
  31. unsigned i;
  32. for(i=0; i<n; ++i)
  33. {
  34. y[i] /= x[i];
  35. }
  36. }
  37. void cmVOCR_Abs( cmSample_t* y, const cmComplexR_t* x, unsigned n )
  38. {
  39. unsigned i;
  40. for(i=0; i<n; ++i)
  41. y[i] = (cmSample_t)cmCabsR(x[i]);
  42. }
  43. void cmVOCR_DivR_VV( cmComplexR_t* y, const cmReal_t* x, unsigned n )
  44. {
  45. unsigned i;
  46. for(i=0; i<n; ++i)
  47. {
  48. y[i] /= x[i];
  49. //y[i].r /= x[i];
  50. //y[i].i /= x[i];
  51. }
  52. }