value = 7625597484987.1162
exponent  = 2a
mantissa1 = 6ef79077
mantissa2 = 7dd8ee00
w_part =  0 0 6ef 7907 7fbb
r_part = 77:400

value = 2147483647.0312495
exponent  = 1e
mantissa1 = 7fffffff
mantissa2 = 3fffdfc
w_part = 7fffffff
r_part = ffff:200000