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use explicitly pReal

This commit is contained in:
Martin Diehl 2019-03-10 09:07:33 +01:00
parent 0118fefe6e
commit 388e661433
1 changed files with 5 additions and 5 deletions
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10
src/Lambert.f90
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@ -164,19 +164,19 @@ pure function LambertBallToCube(xyz) result(cube)
qxy = sum(xyz2**2)
special: if (dEq0(qxy)) then
Tinv = 0.0
Tinv = 0.0_pReal
else special
q2 = qxy + maxval(abs(xyz2))**2
sq2 = sqrt(q2)
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,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], &
abs(xyz2(2)) <= abs(xyz2(1)))
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], &
abs(xyz2(2)) <= abs(xyz2(1)))
endif special
! inverse M_1
xyz1 = [ Tinv(1), Tinv(2), sign(1.0,xyz3(3)) * rs / pref ] /sc
xyz1 = [ Tinv(1), Tinv(2), sign(1.0_pReal,xyz3(3)) * rs / pref ] /sc
! reverst the coordinates back to the regular order according to the original pyramid number
cube = xyz1(p)