fftw

Description:Fast C library for the Discrete Fourier Transform
License: GPL-2+
Homepage:https://www.fftw.org/
Location:Portage
Legend:
  • + - stable
  • ~ - unstable
  • M - hardmask
alpha amd64 arm hppa ia64 m68k mips ppc ppc64 s390 sh sparc x86
9999 diff - - - - - - - - - - - - -
3.3.10 ~ + + + ~ ~ ~ + + ~ - + +

USE flags

  • abi_mips_n32 - 64-bit (32-bit pointer) libraries
  • abi_mips_n64 - 64-bit libraries
  • abi_mips_o32 - 32-bit libraries
  • abi_s390_32 - 32-bit (s390) libraries
  • abi_s390_64 - 64-bit (s390x) libraries
  • abi_x86_32 - 32-bit (x86) libraries
  • abi_x86_64 - 64-bit (amd64) libraries
  • abi_x86_x32 - x32 ABI libraries
  • cpu_flags_arm_neon - Use the NEON (ASIMD) instruction set
  • cpu_flags_ppc_altivec - Use the AltiVec/VMX instruction set
  • cpu_flags_x86_avx - Adds support for Advanced Vector Extensions instructions
  • cpu_flags_x86_avx2 - Adds support for Advanced Vector Extensions 2 instructions
  • cpu_flags_x86_fma3 - Use the Fused Multiply Add 3 instruction set ([fma] in cpuinfo)
  • cpu_flags_x86_fma4 - Use the Fused Multiply Add 4 instruction set
  • cpu_flags_x86_sse - Use the SSE instruction set
  • cpu_flags_x86_sse2 - Use the SSE2 instruction set
  • doc - Add extra documentation (API, Javadoc, etc). It is recommended to enable per package instead of globally
  • fortran - Add support for fortran
  • mpi - Add MPI (Message Passing Interface) layer to the apps that support it
  • openmp - Build support for the OpenMP (support parallel computing), requires >=sys-devel/gcc-4.2 built with USE="openmp"
  • test - Enable dependencies and/or preparations necessary to run tests (usually controlled by FEATURES=test but can be toggled independently)
  • threads - Add threads support for various packages. Usually pthreads
  • zbus - Adds support for ZBus cycle-counter of mips

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