};
static const double
-zero = 0.0,
-one = 1.0,
two24 = 1.67772160000000000000e+07, /* 0x41700000, 0x00000000 */
twon24 = 5.96046447753906250000e-08; /* 0x3E700000, 0x00000000 */
/* set up f[0] to f[jx+jk] where f[jx+jk] = ipio2[jv+jk] */
j = jv-jx; m = jx+jk;
for (i=0; i<=m; i++,j++)
- f[i] = j<0 ? zero : (double)ipio2[j];
+ f[i] = j<0 ? 0.0 : (double)ipio2[j];
/* compute q[0],q[1],...q[jk] */
for (i=0; i<=jk; i++) {
}
}
if (ih == 2) {
- z = one - z;
+ z = 1.0 - z;
if (carry != 0)
- z -= scalbn(one,q0);
+ z -= scalbn(1.0,q0);
}
}
/* check if recomputation is needed */
- if (z == zero) {
+ if (z == 0.0) {
j = 0;
for (i=jz-1; i>=jk; i--) j |= iq[i];
if (j == 0) { /* need recomputation */
}
/* convert integer "bit" chunk to floating-point value */
- fw = scalbn(one,q0);
+ fw = scalbn(1.0,q0);
for (i=jz; i>=0; i--) {
q[i] = fw*(double)iq[i];
fw *= twon24;