コード例 #1
0
ファイル: test_div.py プロジェクト: jobejen/Viscid
def run_div_test(fld, exact, show=False, ignore_inexact=False):
    t0 = time()
    result_numexpr = viscid.div(fld, preferred="numexpr", only=True)
    t1 = time()
    logger.info("numexpr magnitude runtime: %g", t1 - t0)

    result_diff = viscid.diff(result_numexpr, exact[1:-1, 1:-1, 1:-1])
    if not ignore_inexact and not (result_diff.data < 5e-5).all():
        logger.warn("numexpr result is far from the exact result")
    logger.info("min/max(abs(numexpr - exact)): %g / %g",
                np.min(result_diff.data), np.max(result_diff.data))

    planes = ["y=0f", "z=0f"]
    nrows = 2
    ncols = len(planes)
    ax = plt.subplot2grid((nrows, ncols), (0, 0))
    ax.axis("equal")

    for i, p in enumerate(planes):
        plt.subplot2grid((nrows, ncols), (0, i), sharex=ax, sharey=ax)
        mpl.plot(result_numexpr, p, show=False)
        plt.subplot2grid((nrows, ncols), (1, i), sharex=ax, sharey=ax)
        mpl.plot(result_diff, p, show=False)

    if show:
        mpl.mplshow()
コード例 #2
0
ファイル: test_div.py プロジェクト: KristoforMaynard/Viscid
def run_div_test(fld, exact, title='', show=False, ignore_inexact=False):
    t0 = time()
    result_numexpr = viscid.div(fld, preferred="numexpr", only=False)
    t1 = time()
    logger.info("numexpr magnitude runtime: %g", t1 - t0)

    result_diff = viscid.diff(result_numexpr, exact)['x=1:-1, y=1:-1, z=1:-1']
    if not ignore_inexact and not (result_diff.data < 5e-5).all():
        logger.warning("numexpr result is far from the exact result")
    logger.info("min/max(abs(numexpr - exact)): %g / %g",
                np.min(result_diff.data), np.max(result_diff.data))

    planes = ["y=0j", "z=0j"]
    nrows = 2
    ncols = len(planes)
    _, axes = plt.subplots(nrows, ncols, squeeze=False)

    for i, p in enumerate(planes):
        vlt.plot(result_numexpr, p, ax=axes[0, i], show=False)
        vlt.plot(result_diff, p, ax=axes[1, i], show=False)

    plt.suptitle(title)
    vlt.auto_adjust_subplots(subplot_params=dict(top=0.9))

    plt.savefig(next_plot_fname(__file__))
    if show:
        vlt.mplshow()
コード例 #3
0
def run_div_test(fld, exact, title='', show=False, ignore_inexact=False):
    t0 = time()
    result_numexpr = viscid.div(fld, preferred="numexpr", only=False)
    t1 = time()
    logger.info("numexpr magnitude runtime: %g", t1 - t0)

    result_diff = viscid.diff(result_numexpr, exact)['x=1:-1, y=1:-1, z=1:-1']
    if not ignore_inexact and not (result_diff.data < 5e-5).all():
        logger.warn("numexpr result is far from the exact result")
    logger.info("min/max(abs(numexpr - exact)): %g / %g",
                np.min(result_diff.data), np.max(result_diff.data))

    planes = ["y=0f", "z=0f"]
    nrows = 2
    ncols = len(planes)
    ax = plt.subplot2grid((nrows, ncols), (0, 0))
    ax.axis("equal")

    for i, p in enumerate(planes):
        plt.subplot2grid((nrows, ncols), (0, i), sharex=ax, sharey=ax)
        mpl.plot(result_numexpr, p, show=False)
        plt.subplot2grid((nrows, ncols), (1, i), sharex=ax, sharey=ax)
        mpl.plot(result_diff, p, show=False)

    mpl.plt.suptitle(title)
    mpl.auto_adjust_subplots(subplot_params=dict(top=0.9))

    mpl.plt.savefig(next_plot_fname(__file__))
    if show:
        mpl.mplshow()