hardposit-chisel3

hardposit-chisel3 copied to clipboard

There is an issue in posit subtraction that causes the following to returns an incorrect result. Issue is most likely due to incorrect regime bit being created

nbits - 32
es - 2
7.000091552734375 - 7.00

Reproducing

This can be reproduced by the adding the following unit test to PositAddSpec.scala

it should "return posit" in {
    posit_add_test(32, 2, 1442843648, 1442840576, 2101346304, sub=true)
}