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capitalize constants

This commit is contained in:
Martin Diehl 2022-01-29 14:49:45 +01:00
parent 774ec4e8c4
commit 477f2d8167
1 changed files with 7 additions and 8 deletions
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15
src/rotations.f90
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@ -81,7 +81,6 @@ module rotations
end type rotation
real(pReal), parameter :: &
SPI = sqrt(PI), &
PREF = sqrt(6.0_pReal/PI), &
A = PI**(5.0_pReal/6.0_pReal)/6.0_pReal**(1.0_pReal/6.0_pReal), &
AP = PI**(2.0_pReal/3.0_pReal), &
@ -1209,7 +1208,7 @@ pure function ho2cu(ho) result(cu)
else special
q2 = qxy + maxval(abs(xyz2))**2
sq2 = sqrt(q2)
q = (beta/R2/R1) * sqrt(q2*qxy/(q2-maxval(abs(xyz2))*sq2))
q = (BETA/R2/R1) * sqrt(q2*qxy/(q2-maxval(abs(xyz2))*sq2))
tt = (minval(abs(xyz2))**2+maxval(abs(xyz2))*sq2)/R2/qxy
Tinv = q * sign(1.0_pReal,xyz2) * merge([ 1.0_pReal, acos(math_clip(tt,-1.0_pReal,1.0_pReal))/PI12], &
[ acos(math_clip(tt,-1.0_pReal,1.0_pReal))/PI12, 1.0_pReal], &
@ -1217,7 +1216,7 @@ pure function ho2cu(ho) result(cu)
endif special
! inverse M_1
xyz1 = [ Tinv(1), Tinv(2), sign(1.0_pReal,xyz3(3)) * rs / pref ] /sc
xyz1 = [ Tinv(1), Tinv(2), sign(1.0_pReal,xyz3(3)) * rs / PREF ]/SC
! reverse the coordinates back to order according to the original pyramid number
cu = xyz1(p(:,2))
@ -1323,26 +1322,26 @@ pure function cu2ho(cu) result(ho)
else center
! get pyramide and scale by grid parameter ratio
p = GetPyramidOrder(cu)
XYZ = cu(p(:,1)) * sc
XYZ = cu(p(:,1)) * SC
! intercept all the points along the z-axis
special: if (all(dEq0(XYZ(1:2)))) then
LamXYZ = [ 0.0_pReal, 0.0_pReal, pref * XYZ(3) ]
LamXYZ = [ 0.0_pReal, 0.0_pReal, PREF * XYZ(3) ]
else special
order = merge( [2,1], [1,2], abs(XYZ(2)) <= abs(XYZ(1))) ! order of absolute values of XYZ
q = PI12 * XYZ(order(1))/XYZ(order(2)) ! smaller by larger
c = cos(q)
s = sin(q)
q = prek * XYZ(order(2))/ sqrt(R2-c)
q = PREK * XYZ(order(2))/ sqrt(R2-c)
T = [ (R2*c - 1.0), R2 * s] * q
! transform to sphere grid (inverse Lambert)
! [note that there is no need to worry about dividing by zero, since XYZ(3) can not become zero]
c = sum(T**2)
s = Pi * c/(24.0*XYZ(3)**2)
c = sPi * c / sqrt(24.0_pReal) / XYZ(3)
c = sqrt(PI) * c / sqrt(24.0_pReal) / XYZ(3)
q = sqrt( 1.0 - s )
LamXYZ = [ T(order(2)) * q, T(order(1)) * q, pref * XYZ(3) - c ]
LamXYZ = [ T(order(2)) * q, T(order(1)) * q, PREF * XYZ(3) - c ]
endif special
! reverse the coordinates back to order according to the original pyramid number