Lines Matching refs:ipio2
56 * (2/pi) is represented by an array of 24-bit integers in ipio2[].
102 * ipio2[] integer array, contains the (24*i)-th to (24*i+23)-th
106 * ipio2[i] * 2^(-24(i+1)).
108 * jk jk+1 is the initial number of terms of ipio2[] needed
113 * terms of ipio2[] used.
117 * jv index for pointing to the suitable ipio2[] for the
119 * ( 2^e0*x[0] * ipio2[jv-1]*2^(-24jv) )/8
135 * f[] ipio2[] in floating point
174 static const int ipio2[] =
208 /* set up f[0] to f[jx + jk] where f[jx + jk] = ipio2[jv + jk] */
213 f[i] = (j < 0) ? zero : (double) ipio2[j];
320 f[jx + i] = (double) ipio2[jv + i];