Lines Matching defs:ipio2
26 * (2/pi) is represented by an array of 24-bit integers in ipio2[].
59 * expand the ipio2 table.
75 * jk jk+1 is the initial number of terms of ipio2[] needed
85 * terms of ipio2[] used.
89 * jv index for pointing to the suitable ipio2[] for the
91 * ( 2^e0*x[0] * ipio2[jv-1]*2^(-24jv) )/8
107 * f[] ipio2[] in floating point
136 * ipio2[i] * 2^(-24(i+1)).
141 static const int32_t ipio2[] = {
287 /* set up f[0] to f[jx+jk] where f[jx+jk] = ipio2[jv+jk] */
290 f[i] = j<0 ? 0.0 : (double)ipio2[j];
357 f[jx+i] = (double)ipio2[jv+i];