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removed CoeffsFunc

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Ahmet Inan 2019-01-20 13:23:08 +01:00
commit 7b2cf8970a
3 changed files with 14 additions and 21 deletions
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13
coeffs.hh
View file

@ -8,24 +8,19 @@ Copyright 2018 Ahmet Inan <inan@aicodix.de>
namespace DSP {
template <typename TYPE>
struct CoeffsFunc
{
virtual TYPE operator () (int, int) = 0;
virtual ~CoeffsFunc() = default;
};
template <int TAPS, typename TYPE>
class Coeffs
{
TYPE w[TAPS];
public:
Coeffs(CoeffsFunc<TYPE> *func)
template <typename FUNC>
Coeffs(FUNC *func)
{
for (int n = 0; n < TAPS; ++n)
w[n] = (*func)(n, TAPS);
}
Coeffs(CoeffsFunc<TYPE> *func0, CoeffsFunc<TYPE> *func1)
template <typename FUNC0, typename FUNC1>
Coeffs(FUNC0 *func0, FUNC1 *func1)
{
for (int n = 0; n < TAPS; ++n)
w[n] = (*func0)(n, TAPS) * (*func1)(n, TAPS);

7
filter.hh
View file

@ -8,12 +8,11 @@ Copyright 2018 Ahmet Inan <inan@aicodix.de>
#include "const.hh"
#include "utils.hh"
#include "coeffs.hh"
namespace DSP {
template <typename TYPE>
class LowPass : public CoeffsFunc<TYPE>
class LowPass
{
TYPE f;
public:
@ -26,7 +25,7 @@ public:
};
template <typename TYPE>
class HighPass : public CoeffsFunc<TYPE>
class HighPass
{
TYPE f;
public:
@ -41,7 +40,7 @@ public:
};
template <typename TYPE>
class BandPass : public CoeffsFunc<TYPE>
class BandPass
{
TYPE f0, f1;
public:

15
window.hh
View file

@ -10,18 +10,17 @@ Copyright 2018 Ahmet Inan <inan@aicodix.de>
#include "kahan.hh"
#include "utils.hh"
#include "unit_circle.hh"
#include "coeffs.hh"
namespace DSP {
template <typename TYPE>
struct Rect : public CoeffsFunc<TYPE>
struct Rect
{
TYPE operator () (int n, int N) { return n >= 0 && n < N ? 1 : 0; }
};
template <typename TYPE>
struct Hann : public CoeffsFunc<TYPE>
struct Hann
{
TYPE operator () (int n, int N)
{
@ -30,7 +29,7 @@ struct Hann : public CoeffsFunc<TYPE>
};
template <typename TYPE>
struct Hamming : public CoeffsFunc<TYPE>
struct Hamming
{
TYPE operator () (int n, int N)
{
@ -39,7 +38,7 @@ struct Hamming : public CoeffsFunc<TYPE>
};
template <typename TYPE>
struct Lanczos : public CoeffsFunc<TYPE>
struct Lanczos
{
TYPE operator () (int n, int N)
{
@ -53,7 +52,7 @@ struct Lanczos : public CoeffsFunc<TYPE>
};
template <typename TYPE>
class Blackman : public CoeffsFunc<TYPE>
class Blackman
{
TYPE a0, a1, a2;
public:
@ -68,7 +67,7 @@ public:
};
template <typename TYPE>
class Gauss : public CoeffsFunc<TYPE>
class Gauss
{
TYPE o;
public:
@ -80,7 +79,7 @@ public:
};
template <typename TYPE>
class Kaiser : public CoeffsFunc<TYPE>
class Kaiser
{
TYPE a;
/*