- z[31] = 1 # sign (so, s=1)
- z[30:23] = 255 # exponent (minus 128, so e = 127
- z[22] = 1 # high bit of mantissa, so m = 1<<22 i think
- z[21:0] = 0 # rest of mantissa is zero, so m = 1<<22 is good.
+ s = 1 # sign (so, s=1)
+ e = 128 # exponent (minus 127, so e = 128
+ m = 1<<22 # high bit of mantissa, so m = 1<<22 i think