Lines Matching refs:scale
24 is scale*(1+TMP) without intermediate rounding. The bit representation of
25 scale is in SBITS, however it has a computed exponent that may have
28 adjustment of scale, positive k here means the result may overflow and
33 double_t scale, y;
37 /* k > 0, the exponent of scale might have overflowed by 1. */
39 scale = asdouble (sbits);
40 y = 2 * (scale + scale * tmp);
45 scale = asdouble (sbits);
46 y = scale + scale * tmp;
54 lo = scale - y + scale * tmp;
81 double_t kd, r, r2, scale, tail, tmp;
112 /* 2^(k/N) ~= scale * (1 + tail). */
116 /* This is only a valid scale when -1023*N < k < 1024*N. */
118 /* exp2(x) = 2^(k/N) * 2^r ~= scale + scale * (tail + 2^r - 1). */
132 scale = asdouble (sbits);
133 /* Note: tmp == 0 or |tmp| > 2^-65 and scale > 2^-928, so there
135 return eval_as_double (scale + scale * tmp);