"best" rational number library for Python?

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  • skip@pobox.com
    #1

    "best" rational number library for Python?

    A guy at work asked for functionality commonly found with rational numbers,
    so I said I'd find and install something. I figured gmpy would be suitable,
    alas I'm having trouble successfully building the underlying GMP 4.2.1
    library on a PC running Solaris 10 (won't compile with the default --host,
    fails "make check" if I go the no-assembly route). Before I invest a bunch
    of time into this, am I barking up the wrong tree?

    Performance is, for now, certainly not an issue. Even a pure Python
    rational number class would probably suffice.

    Thx,

    Skip
    Tags: None
    • Paul Rubin
      #2
      Re: "best&quot ; rational number library for Python?

      skip@pobox.com writes:
      Performance is, for now, certainly not an issue. Even a pure Python
      rational number class would probably suffice.
      There are certainly some of those around, but I'm surprised there's a
      problem with GMP and Solaris.

        Comment

        • skip@pobox.com
          #3
          Re: "best&quot ; rational number library for Python?


          PaulThere are certainly some of those around, but I'm surprised
          Paulthere's a problem with GMP and Solaris.

          That was my thought as well.

          Skip

            Comment

            • casevh@comcast.net
              #4
              Re: "best&quot ; rational number library for Python?

              A guy at work asked for functionality commonly found with rational numbers,
              so I said I'd find and install something. I figured gmpy would be suitable,
              alas I'm having trouble successfully building the underlying GMP 4.2.1
              library on a PC running Solaris 10 (won't compile with the default --host,
              fails "make check" if I go the no-assembly route). Before I invest a bunch
              of time into this, am I barking up the wrong tree?
              >
              I've successfully compiled GMP 4.2.1 on Solaris 10 x86 using both the
              GCC and Sun Studio compilers on AMD 32-bit platform.

              I just compiled GMP 4.2.1 on a P4 using

              $ CFLAGS="" CC=gcc ./configure
              $ gmake; gmake check

              and all tests passed.

              casevh

                Comment

                • casevh@comcast.net
                  #5
                  Re: "best&quot ; rational number library for Python?

                  A guy at work asked for functionality commonly found with rational numbers,
                  so I said I'd find and install something. I figured gmpy would be suitable,
                  alas I'm having trouble successfully building the underlying GMP 4.2.1
                  library on a PC running Solaris 10 (won't compile with the default --host,
                  fails "make check" if I go the no-assembly route). Before I invest a bunch
                  of time into this, am I barking up the wrong tree?
                  >
                  I've successfully compiled GMP 4.2.1 on Solaris 10 x86 using both the
                  GCC and Sun Studio compilers on AMD 32-bit platform.

                  I just compiled GMP 4.2.1 on a P4 using

                  $ CFLAGS="" CC=gcc ./configure
                  $ gmake; gmake check

                  and all tests passed.

                  casevh

                    Comment

                    • casevh@comcast.net
                      #6
                      Re: "best&quot ; rational number library for Python?

                      Oops, on the double-post.

                      casevh@comcast. net wrote:
                      A guy at work asked for functionality commonly found with rational numbers,
                      so I said I'd find and install something. I figured gmpy would be suitable,
                      alas I'm having trouble successfully building the underlying GMP 4.2.1
                      library on a PC running Solaris 10 (won't compile with the default --host,
                      fails "make check" if I go the no-assembly route). Before I invest a bunch
                      of time into this, am I barking up the wrong tree?
                      I've successfully compiled GMP 4.2.1 on Solaris 10 x86 using both the
                      GCC and Sun Studio compilers on AMD 32-bit platform.
                      >
                      I just compiled GMP 4.2.1 on a P4 using
                      >
                      $ CFLAGS="" CC=gcc ./configure
                      $ gmake; gmake check
                      >
                      You must use "gmake". "make" fails during "make check"
                      and all tests passed.
                      >
                      casevh

                        Comment

                        • skip@pobox.com
                          #7
                          Re: "best&quot ; rational number library for Python?

                          >I just compiled GMP 4.2.1 on a P4 using
                          >>
                          >$ CFLAGS="" CC=gcc ./configure
                          >$ gmake; gmake check
                          >>
                          casevhYou must use "gmake". "make" fails during "make check"

                          Very weird:

                          piggy:% make -v
                          GNU Make 3.80
                          Copyright (C) 2002 Free Software Foundation, Inc.
                          This is free software; see the source for copying conditions.
                          There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A
                          PARTICULAR PURPOSE.
                          piggy:% gmake -v
                          GNU Make 3.80
                          Copyright (C) 2002 Free Software Foundation, Inc.
                          This is free software; see the source for copying conditions.
                          There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A
                          PARTICULAR PURPOSE.

                          Nevertheless, using "gmake" instead of "make" did indeed work. Thanks for
                          the hint.

                          Skip

                            Comment

                            • Gabriel G
                              #8
                              Re: "best&quot ; rational number library for Python?

                              At Tuesday 31/10/2006 21:16, skip@pobox.com wrote:
                              casevhYou must use "gmake". "make" fails during "make check"
                              >
                              >Very weird:
                              >
                              piggy:% make -v
                              GNU Make 3.80
                              piggy:% gmake -v
                              GNU Make 3.80
                              >
                              >Nevertheless , using "gmake" instead of "make" did indeed work. Thanks for
                              >the hint.
                              Ouch! Like bash behaving different when invoked with the name "sh".
                              Why do those programs try to be soooo smart?


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                              Gabriel Genellina
                              Softlab SRL

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