`GJc @s}dZddkZdZdZeidgdeidedddgZeeZd Z eZ eZ dS( sy mctscale.py 3He Melting Curve Calibrations for Low Temperature Thermometry 14 Jan 2009 Lev - Greywall calibration only iNcCsdS(s33He melting pressure at the superfluid A-transitiong%C+A@((((sc:\py\lib\mctscale.pyt greywall_PA scCsd}d}d|dd|dd|dd |d |dd |dd |d d|d}ti|o+||jp ||jo ti}qnti|||j||jB<|S(s` Convert temperature to 3He melting pressure according to Greywall Scale Ref: D. S. Greywall, Phys. Rev. B, vol. 33 (11), p. 7520 (1986). Temperature range is 0.931 to 250 mK, precision is 0.2%. Return values are offset at superfluid A-transition pressure 34.338 bar. This value can be accessed as 'mctscale.greywall_PA()' gn?igT}igNʧ>Ů?ig o,?gpDk?gU:F,H?ga`"?g!'>g7"]=ig-n=i(tnumpytisscalartNaN(tTtTmintTmaxtP((sc:\py\lib\mctscale.pyt greywall_T2P s ^g@o@gn?g5^I ?i+cCs%ti|ttdtidtiS(s` Convert temperature to 3He melting pressure according to Greywall Scale Ref: D. S. Greywall, Phys. Rev. B, vol. 33 (11), p. 7520 (1986). Temperature range is 0.931 to 250 mK, precision is 0.2%. Return values are offset at superfluid A-transition pressure 34.338 bar. This value can be accessed as 'mctscale.greywall_PA()' tlefttright(Rtinterpt __greywall_PPt __greywall_TTR(tdeltaP((sc:\py\lib\mctscale.pyt greywall_P2T6s ( t__doc__RRRt concatenatetpowertrangeR R Rtg_TTtg_PP(((sc:\py\lib\mctscale.pyss   (4