libghc-half-prof 0.3-2 (amd64 binary) in ubuntu groovy

 Half-precision floating point values with 1 bit of sign, 5 bits of
 exponent, 11 bits of mantissa trailing a leading 1 bit with proper
 underflow.
 .
 These arise commonly in GPU applications.
 .
 This package provides a library for the Haskell programming language, compiled
 for profiling. See http://www.haskell.org/ for more information on Haskell.