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Lines Matching defs:M_PI

81 #ifndef M_PI
82 #define M_PI 3.14159263
281    return WORD2INT(32768.*cutoff*sin(M_PI*xx)/(M_PI*xx) * compute_func(fabs(2.*x/N), window_func));
294    return cutoff*sin(M_PI*xx)/(M_PI*xx) * compute_func(fabs(2.*x/N), window_func);