Lines Matching refs:M_PI
34 #ifndef M_PI
35 #define M_PI 3.1415926535897932384626433832795029
372 sum += besselI0 (i * (256 - i) * (5 * M_PI / 256) * (5 * M_PI / 256));
380 roots16[i] = cos ((M_PI / 8) * (i + 1));
383 roots32[i] = cos ((M_PI / 16) * (i + 1));
386 roots64[i] = cos ((M_PI / 32) * (i + 1));
389 roots128[i] = cos ((M_PI / 64) * (i + 1));
393 pre1[i].real = cos ((M_PI / 256) * (k - 0.25));
394 pre1[i].imag = sin ((M_PI / 256) * (k - 0.25));
399 pre1[i].real = -cos ((M_PI / 256) * (k - 0.25));
400 pre1[i].imag = -sin ((M_PI / 256) * (k - 0.25));
404 post1[i].real = cos ((M_PI / 256) * (i + 0.5));
405 post1[i].imag = sin ((M_PI / 256) * (i + 0.5));
410 pre2[i].real = cos ((M_PI / 128) * (k - 0.25));
411 pre2[i].imag = sin ((M_PI / 128) * (k - 0.25));
415 post2[i].real = cos ((M_PI / 128) * (i + 0.5));
416 post2[i].imag = sin ((M_PI / 128) * (i + 0.5));