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dev-util/codeblocks

The open source, cross platform, free C, C++ and Fortran IDE

sys-devel/gcc

The GNU Compiler Collection

sci-libs/cgnslib

CFD General Notation System standard library

sys-cluster/openmpi

A high-performance message passing library (MPI)

sci-libs/hdf5

General purpose library and file format for storing scientific data

sys-devel/gcc-apple

Apple branch of the GNU Compiler Collection, Developer Tools 4.0

sci-visualization/grace

Motif based XY-plotting tool

virtual/mpi

Virtual for Message Passing Interface (MPI) v2.0 implementation

dev-perl/PDL

Perl Data Language for scientific computing

sci-physics/root

C++ data analysis framework and interpreter from CERN

sci-astronomy/wcslib

Astronomical World Coordinate System transformations library

sci-libs/hdf

General purpose library and format for storing scientific data

sci-libs/fftw

Fast C library for the Discrete Fourier Transform

sci-libs/amd

Library to order a sparse matrix prior to Cholesky factorization

sci-libs/plplot

Multi-language scientific plotting library

sci-libs/arprec

Arbitrary precision float arithmetics and functions

sci-libs/qd

Quad-double and double-double float arithmetics

sci-libs/getdata

Reference implementation of the Dirfile, format for time-ordered binary data

sci-libs/atlas

Automatically Tuned Linear Algebra Software

dev-libs/starpu

Unified runtime system for heterogeneous multicore architectures

sci-libs/hypre

Parallel matrix preconditioners library

sci-libs/lis

Library of Iterative Solvers for Linear Systems

sys-cluster/mpich

A high performance and portable MPI implementation

sci-libs/pastix

Parallel solver for very large sparse linear systems

sys-cluster/libquo

Run-time tuning of process binding policies made easy

sci-libs/sundials

Suite of nonlinear solvers

dev-lang/gnat-gpl

GNAT Ada Compiler - GPL version

sci-libs/libxc

A library of exchange-correlation functionals for use in DFT

sci-libs/med

A library to store and exchange meshed data or computation results

sci-mathematics/petsc

Portable, Extensible Toolkit for Scientific Computation

sci-libs/cantera

Object-oriented tool suite for chemical kinetics, thermodynamics, and transport

sys-apps/likwid

A performance-oriented tool suite for x86 multicore environments

sci-libs/eccodes

A set of encoding/decoding APIs and tools for WMO GRIB, BUFR, and GTS messages

dev-python/scipy

Scientific algorithms library for Python

dev-libs/zfp

Compressed numerical arrays that support high-speed random access

sci-libs/einspline

C library for creating and evaluating B-splines