qinit1.f.html | |
Source file: qinit1.f | |
Directory: /Users/rjl/clawpack_src/clawpack_master/apps/fvmbook/chap17/advdiff | |
Converted: Sat Mar 23 2024 at 11:05:08 using clawcode2html | |
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c c c ========================================================= subroutine qinit(meqn,mbc,mx,xlower,dx,q,maux,aux) c ========================================================= c c # Set initial conditions for q. c c implicit double precision (a-h,o-z) dimension q(meqn,1-mbc:maxmx+mbc) dimension aux(maux,1-mbc:maxmx+mbc) common /comic/ beta c c pi2 = 8.d0*datan(1.d0) !# = 2 * pi do 150 i=1,mx xcell = xlower + (i-0.5d0)*dx q(1,i) = dexp(-beta * (xcell-0.3d0)**2) 150 continue c return end