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1 #ifndef FRID2_COMMON_H
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2 #define FRID2_COMMON_H
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3
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4 #define FORWARD_STEP(A) ((1.0 + A) / (1.0 - A))
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5 #define BACKWARD_STEP(A) ((1.0 - A) / (1.0 + A))
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6
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7 void embed_low_freq(double **dcts, int cols, int rows, double alpha, int verbose);
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8 void embed_med_freq(double **dcts, int cols, int rows, double gamma, int seed, int verbose);
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9 double detect_low_freq(double **dcts, int cols, int rows, double alpha, double beta, int verbose);
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10 double detect_med_freq(double **dcts, int cols, int rows, int seed, int verbose);
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11
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12 #endif
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