/[MITgcm]/MITgcm/pkg/compon_communic/generate_tag.F
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Revision 1.1 - (hide annotations) (download)
Mon Dec 15 02:35:29 2003 UTC (20 years, 6 months ago) by jmc
Branch: MAIN
CVS Tags: checkpoint58l_post, checkpoint57t_post, checkpoint57o_post, checkpoint52l_pre, checkpoint52e_pre, hrcube4, checkpoint58e_post, checkpoint57v_post, checkpoint52n_post, checkpoint52j_post, checkpoint53d_post, checkpoint58u_post, checkpoint58w_post, checkpoint54a_pre, checkpoint57m_post, checkpoint55c_post, checkpoint54e_post, checkpoint52e_post, checkpoint57s_post, checkpoint54a_post, checkpoint53c_post, checkpoint57k_post, checkpoint55d_pre, checkpoint57d_post, checkpoint57g_post, checkpoint57b_post, checkpoint57c_pre, checkpoint58r_post, checkpoint55j_post, checkpoint56b_post, checkpoint57i_post, checkpoint57y_post, checkpoint57e_post, checkpoint52l_post, checkpoint55h_post, checkpoint58n_post, checkpoint58x_post, checkpoint52k_post, checkpoint57g_pre, checkpoint54b_post, checkpoint53b_pre, checkpoint55b_post, checkpoint58t_post, checkpoint58h_post, checkpoint54d_post, checkpoint56c_post, checkpoint52m_post, checkpoint57y_pre, checkpoint55, checkpoint53a_post, checkpoint57f_pre, checkpoint57a_post, checkpoint54, checkpoint58q_post, checkpoint54f_post, checkpoint53b_post, checkpoint55g_post, checkpoint58j_post, checkpoint59e, checkpoint59d, checkpoint59g, checkpoint59f, checkpoint59a, checkpoint55f_post, checkpoint59c, checkpoint59b, checkpoint59h, checkpoint57r_post, checkpoint59, checkpoint58, checkpoint57a_pre, checkpoint55i_post, checkpoint57, checkpoint56, checkpoint53, checkpoint52d_post, eckpoint57e_pre, checkpoint57h_done, checkpoint58f_post, checkpoint53g_post, checkpoint52f_post, checkpoint57x_post, checkpoint57n_post, checkpoint58d_post, checkpoint58c_post, checkpoint57w_post, checkpoint57p_post, checkpint57u_post, checkpoint57f_post, checkpoint58a_post, checkpoint58i_post, checkpoint57q_post, checkpoint58g_post, hrcube5, checkpoint58o_post, checkpoint57z_post, checkpoint57c_post, checkpoint58y_post, checkpoint55e_post, checkpoint58k_post, checkpoint52i_post, checkpoint52j_pre, checkpoint58v_post, checkpoint53f_post, checkpoint55a_post, checkpoint53d_pre, checkpoint54c_post, checkpoint58s_post, checkpoint58p_post, checkpoint57j_post, checkpoint58b_post, checkpoint57h_pre, checkpoint58m_post, checkpoint57l_post, checkpoint52i_pre, checkpoint52h_pre, checkpoint52f_pre, checkpoint57h_post, hrcube_2, hrcube_3, checkpoint56a_post, checkpoint55d_post 
coupler - multi-components interface: low-level communication S/R package.
1 jmc 1.1 !=======================================================================
2     integer function generate_tag( iarg1, iarg2, carg )
3     implicit none
4     ! Predefined constants/arrays
5     #include "CPLR_SIG.h"
6     ! Arguments
7     integer iarg1
8     integer iarg2
9     character*(*) carg
10     ! Local
11     integer j,hash,pow
12     integer itrans(MAXLEN_COMP_NAME)
13     ! ------------------------------------------------------------------
14    
15     ! Convert the characters to an integer array
16     call mitcplr_char2int( carg, itrans )
17    
18     ! Hash the integer array
19     hash=1
20     pow=1
21     do j=1,MAXLEN_COMP_NAME
22     hash=abs(hash+itrans(j)*pow)
23     pow=mod(pow*128,256*256)
24     enddo
25    
26     generate_tag=(hash*256+iarg2)*128+iarg1
27     generate_tag=abs(mod(generate_tag,256*256*256))
28    
29     c if (DEBUG)
30     c & write(0,*) 'generate_tag = ',generate_tag,iarg1,iarg2,carg
31    
32     ! ------------------------------------------------------------------
33     return
34     end
35     !=======================================================================
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