created package hmatrix-special

1 files changed, 30 insertions, 0 deletions

diff --git a/packages/special/lib/Numeric/GSL/Special/Pow_int.hs b/packages/special/lib/Numeric/GSL/Special/Pow_int.hs
new file mode 100644
index 0000000..fd232ab
--- /dev/null
+++ b/packages/special/lib/Numeric/GSL/Special/Pow_int.hs
@@ -0,0 +1,30 @@
+------------------------------------------------------------
+-- |
+-- Module      :  Numeric.GSL.Special.Pow_int
+-- Copyright   :  (c) Alberto Ruiz 2006
+-- License     :  GPL
+-- Maintainer  :  Alberto Ruiz (aruiz at um dot es)
+-- Stability   :  provisional
+-- Portability :  uses ffi
+--
+-- Wrappers for selected functions described at:
+--
+-- <http://www.google.com/search?q=gsl_sf_pow_int.h&as_sitesearch=www.gnu.org/software/gsl/manual&btnI=Lucky>
+------------------------------------------------------------
+
+module Numeric.GSL.Special.Pow_int(
+  pow_int_e
+, pow_int
+) where
+
+import Foreign(Ptr)
+import Foreign.C.Types(CInt)
+import Numeric.GSL.Special.Internal
+
+pow_int_e :: Double -> CInt -> (Double,Double)
+pow_int_e x n = createSFR "pow_int_e" $ gsl_sf_pow_int_e x n
+foreign import ccall SAFE_CHEAP "gsl_sf_pow_int_e" gsl_sf_pow_int_e :: Double -> CInt -> Ptr () -> IO CInt
+
+pow_int :: Double -> CInt -> Double
+pow_int = gsl_sf_pow_int
+foreign import ccall SAFE_CHEAP "gsl_sf_pow_int" gsl_sf_pow_int :: Double -> CInt -> Double