other algorithm
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1 changed files with 3 additions and 2 deletions
5
main.cpp
5
main.cpp
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@ -16,9 +16,10 @@ static constexpr int OFS = 20;
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static CFFT fft (ORDER);
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static vector<double> mono;
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static bool sign = false;
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static bool odd = false;
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void cputs (const char * s) {
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odd = ! odd;
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const complex plus (0.0, 256.0), minus (0.0, -256.0);
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complex data [TAPS];
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memset (&data,0, TAPS * sizeof(complex));
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@ -27,12 +28,12 @@ void cputs (const char * s) {
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const char c = s [n];
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if (c == '\0') break;
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if (c == '#' ) {
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const bool sign = (n & 1) xor odd;
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// Střídání fáze 0/180 dost potlačí rozmazání spektra.
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const complex fill = sign ? plus : minus;
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const int k = n + OFS;
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data[k] = fill;
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data[TAPS - k] = fill;
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sign = ! sign;
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}
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putchar(c);
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n += 1;
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