qinit.f.html | ![]() |
Source file: qinit.f | |
Directory: /Users/rjl/git/rjleveque/clawpack-4.6.3/apps/advection/2d/sphere/rotation | |
Converted: Mon Jan 21 2013 at 20:15:21 using clawcode2html | |
This documentation file will not reflect any later changes in the source file. |
c c c c ===================================================== subroutine qinit(maxmx,maxmy,meqn,mbc,mx,my,xlower, & ylower,dx,dy,q,maux,aux) c ===================================================== c c # Set initial conditions for q. c implicit double precision (a-h,o-z) dimension q(1-mbc:maxmx+mbc,1-mbc:maxmy+mbc,meqn) dimension aux(1-mbc:maxmx+mbc,1-mbc:maxmy+mbc, maux) common /dmetric/ dmetric(-1:300+2,-1:150+2,5) c pi2 = 8.d0*datan(1.d0) !# = 2 * pi pi = 0.5*pi2 do 20 i=1-mbc,mx+mbc xc = xlower + (i-0.5d0)*dx do 20 j=1-mbc,my+mbc yc = ylower + (j-0.5d0)*dy call mapc2m(xc,yc,xp,yp,zp) if (xp.gt.0.d0 .and. yp.gt.0.d0) then q(i,j,1) = 1.d0 else q(i,j,1) = 0.d0 endif 20 continue return end