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@@ -133,6 +133,7 @@ void tricorn(float complex start, size_t width, ssize_t height, float res, unsig
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}
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}
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// Iterative application of the equation given by the assignment
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static unsigned converge(float c_real, float c_imag, unsigned n) {
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float real = 0.0f;
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float imag = 0.0f;
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@@ -141,10 +142,12 @@ static unsigned converge(float c_real, float c_imag, unsigned n) {
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float real2 = real * real;
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float imag2 = imag * imag;
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// If the pixel has diverged calculate the value and return it
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if (real2 + imag2 > 4.0f) {
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return 255 - 4 * (i % 64);
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}
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// Calculate imaginary and real parts separately
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imag = -2.0f * real * imag + c_imag;
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real = real2 - imag2 + c_real;
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}
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