From 7dfcc480ba1e19bd3232349fc733caef94034292 Mon Sep 17 00:00:00 2001
From: stainer_t <thomas.stainer@oecd-nea.org>
Date: Mon, 8 Sep 2025 13:48:49 +0200
Subject: Initial commit from Polytechnique Montreal

---
 Dragon/src/NXTLDP.f | 80 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 80 insertions(+)
 create mode 100644 Dragon/src/NXTLDP.f

(limited to 'Dragon/src/NXTLDP.f')

diff --git a/Dragon/src/NXTLDP.f b/Dragon/src/NXTLDP.f
new file mode 100644
index 0000000..51be22f
--- /dev/null
+++ b/Dragon/src/NXTLDP.f
@@ -0,0 +1,80 @@
+*DECK NXTLDP
+      SUBROUTINE NXTLDP(IPTRK,MAXMSH,IPIN,MESHP,NSURP,NREGP,DPMESH,
+     1                  INDEX,IDREG,IDSUR)
+*-----------------------------------------------------------------------
+*
+*Purpose:
+* Load pin contents.
+*
+*Copyright:
+* Copyright (C) 2005 Ecole Polytechnique de Montreal
+* This library is free software; you can redistribute it and/or
+* modify it under the terms of the GNU Lesser General Public
+* License as published by the Free Software Foundation; either
+* version 2.1 of the License, or (at your option) any later version.
+*
+*Author(s): R. Le Tellier
+*
+*Parameters: input
+* IPTRK   pointer to the TRACKING data structure.
+* MAXMSH  maximum number of elements in MESH array.
+* IPIN    requested pin index.
+*
+*Parameters: output
+* MESHP   pin meshes size.
+* NSURP   number of surfaces for the pin.
+* NREGP   number of regions for the pin.
+* DPMESH  pin meshing vector.
+* INDEX   pin index vector.
+* IDREG   region index array.
+* IDSUR   surface index array.
+*
+*-----------------------------------------------------------------------
+*
+      USE GANLIB
+      IMPLICIT NONE
+*----
+*  SUBROUTINE ARGUMENTS
+*----
+      TYPE(C_PTR) IPTRK
+      INTEGER MAXMSH,IPIN,MESHP(4),NSURP,NREGP,
+     1 INDEX(5,-NSURP:NREGP),IDREG(NREGP),IDSUR(NSURP)
+      DOUBLE PRECISION DPMESH(-1:MAXMSH,4)
+*----
+*  LOCAL VARIABLES
+*----
+      INTEGER NSTATE,IOUT
+      PARAMETER(NSTATE=40,IOUT=6)
+      INTEGER ESTATE(NSTATE)
+      INTEGER IDIR
+      CHARACTER NAMPIN*9,NAMREC*12
+      CHARACTER CDIR(4)*1
+      DATA CDIR /'X','Y','Z','R'/
+*----
+*  LOAD PIN RECORDS
+*----
+      WRITE(NAMPIN,'(A1,I8.8)') 'P',IPIN
+      NAMREC=NAMPIN//'DIM'
+      ESTATE(:NSTATE)=0
+      CALL LCMGET(IPTRK,NAMREC,ESTATE)
+      MESHP(1)=ESTATE(3)
+      MESHP(2)=ESTATE(4)
+      MESHP(3)=ESTATE(5)
+      MESHP(4)=ESTATE(2)
+      NREGP=ESTATE(8)
+      NSURP=ESTATE(9)
+      NAMREC=NAMPIN//'RID'
+      CALL LCMGET(IPTRK,NAMREC,IDREG)
+      NAMREC=NAMPIN//'SID'
+      CALL LCMGET(IPTRK,NAMREC,IDSUR)
+      NAMREC=NAMPIN//'VSI'
+      CALL LCMGET(IPTRK,NAMREC,INDEX)
+      DO IDIR=1,4
+        NAMREC=NAMPIN//'SM'//CDIR(IDIR)
+        IF(MESHP(IDIR) .GT. 0) THEN
+          CALL LCMGET(IPTRK,NAMREC,DPMESH(-1,IDIR))
+        ENDIF
+      ENDDO
+*
+      RETURN
+      END
-- 
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