100    int integer;  in celt_log2()  local
107    integer = (in.i>>23)-127;  in celt_log2()
108    in.i -= integer<<23;  in celt_log2()
112    return 1+integer+frac;  in celt_log2()
118    int integer;  in celt_exp2()  local
124    integer = floor(x);  in celt_exp2()
125    if (integer < -50)  in celt_exp2()
127    frac = x-integer;  in celt_exp2()
131    res.i = (res.i + (integer<<23)) & 0x7fffffff;  in celt_exp2()
204    int integer;  in celt_exp2()  local
206    integer = SHR16(x,10);  in celt_exp2()
207    if (integer>14)  in celt_exp2()
209    else if (integer < -15)  in celt_exp2()
211    frac = celt_exp2_frac(x-SHL16(integer,10));  in celt_exp2()
212    return VSHR32(EXTEND32(frac), -integer-2);  in celt_exp2()