41 use element_mod , only : nixc
42
43
44
45#include "implicit_f.inc"
46
47
48
49#include "mvsiz_p.inc"
50
51
52
53#include "param_c.inc"
54#include "scr18_c.inc"
55
56
57
58 INTEGER ,INTENT(IN) :: NODADT_THERM
59 INTEGER JFT, JLT, NVC,JTHE
60 INTEGER IXC(NIXC,MVSIZ),MAT(MVSIZ),(*)
61
63 . f(3,*), m(3,*), offg(*), off(*), sti(*), stir(*),
64 . stifn(*), stifr(*),pm(npropm,*),
65 . f11(mvsiz), f12(mvsiz), f13(mvsiz), f14(mvsiz),
66 . f21(mvsiz), f22(mvsiz), f23(mvsiz), f24(mvsiz),
67 . f31(mvsiz), f32(mvsiz), f33(mvsiz), f34(mvsiz),
68 . m11(mvsiz), m12(mvsiz), m13(mvsiz), m14(mvsiz),
69 . m21(mvsiz), m22(mvsiz), m23(mvsiz), m24(mvsiz),
70 . m31(mvsiz), m32(mvsiz), m33(mvsiz), m34(mvsiz),
71 . eint(jlt,2),partsav(npsav,*),
area(*) ,thk(*),fac(mvsiz,2),
72 . them(mvsiz,4) ,fthe(*),condn(*),conde(*)
73
74
75
76
77 INTEGER NVC1, NVC2, NVC3, NVC4, I
79 . off_l
80
81
82
83
84 off_l = zero
85 DO i=jft,jlt
86 IF(off(i)<one)offg(i) = off(i)
87 off_l =
min(off_l,offg(i))
88 ENDDO
89 IF(off_l<zero)THEN
90 DO i=jft,jlt
91 IF(offg(i)<zero)THEN
92 f11(i)=zero
93 f21(i)=zero
94 f31(i)=zero
95 m11(i)=zero
96 m21(i)=zero
97 m31(i)=zero
98 f12(i)=zero
99 f22(i)=zero
100 f32(i)=zero
101 m12(i)=zero
102 m22(i)=zero
103 m32(i)=zero
104 f13(i)=zero
105 f23(i)=zero
106 f33(i)=zero
107 m13(i)=zero
108 m23(i)=zero
109 m33(i)=zero
110 f14(i)=zero
111 f24(i)=zero
112 f34(i)=zero
113 m14(i)=zero
114 m24(i)=zero
115 m34(i)=zero
116 sti(i)=zero
117 stir(i)=zero
118 conde(i)=zero
119 ENDIF
120 ENDDO
121 ENDIF
122
123
124 nvc1= nvc/8
125 nvc2=(nvc-nvc1*8)/4
126 nvc3=(nvc-nvc1*8-nvc2*4)/2
127 nvc4=(nvc-nvc1*8-nvc2*4-nvc3*2)
128
129 IF(nvc1==0)THEN
130 IF(jthe == 0 ) THEN
131#include "vectorize.inc"
132 DO i=jft,jlt
133 f(1,ixc(2,i))=f(1,ixc(2,i))-f11(i)
134 f(2,ixc(2,i))=f(2,ixc(2,i))-f21(i)
135 f(3,ixc(2,i))=f(3,ixc(2,i))-f31(i)
136 m(1,ixc(2,i))=m(1,ixc(2,i))-m11(i)
137 m(2,ixc(2,i))=m(2,ixc(2,i))-m21(i)
138 m(3,ixc(2,i))=m(3,ixc(2,i))-m31(i)
139 stifn(ixc(2,i))=stifn(ixc(2,i))+sti(i)*fac(i,1)
140 stifr(ixc(2,i))=stifr(ixc(2,i))+stir(i)*fac(i,1)
141 ENDDO
142 ELSE
143 IF(nodadt_therm == 1 ) THEN
144#include "vectorize.inc"
145 DO i=jft,jlt
146 f(1,ixc(2,i))=f(1,ixc(2,i))-f11(i)
147 f(2,ixc(2,i))=f(2,ixc(2,i))-f21(i)
148 f(3,ixc(2,i))=f(3,ixc(2,i))-f31(i)
149 m(1,ixc(2,i))=m(1,ixc(2,i))-m11(i)
150 m(2,ixc(2,i))=m(2,ixc(2,i))-m21(i)
151 m(3,ixc(2,i))=m(3,ixc(2,i))-m31(i)
152 stifn(ixc(2,i))=stifn(ixc(2,i))+sti(i)*fac
153 stifr(ixc(2,i))=stifr(ixc(2,i))+stir(i)*fac(i,1)
154 fthe(ixc(2,i))=fthe(ixc(2,i)) + them(i,1)
155 condn(ixc(2,i))=condn(ixc(2,i))+conde(i)
156 ENDDO
157 ELSE
158#include "vectorize.inc"
159 DO i=jft,jlt
160 f(1,ixc(2,i))=f(1,ixc(2,i))-f11(i)
161 f(2,ixc(2,i))=f(2,ixc(2,i))-f21(i)
162 f(3,ixc(2,i))=f(3,ixc(2,i))-f31(i)
163 m(1,ixc(2,i))=m(1,ixc(2,i))-m11(i)
164 m(2,ixc(2,i))=m(2,ixc(2,i))-m21(i)
165 m(3,ixc(2,i))=m(3,ixc(2,i))-m31(i)
166 stifn(ixc(2,i))=stifn(ixc(2,i))+sti(i)*fac(i,1)
167 stifr(ixc(2,i))=stifr(ixc(2,i))+stir(i)*fac(i,1)
168 fthe(ixc(2,i))=fthe(ixc(2,i)) + them(i,1)
169 ENDDO
170 ENDIF
171 ENDIF
172
173 ELSE
174
175 IF(jthe == 0 ) THEN
176 DO i=jft,jlt
177 f(1,ixc(2,i))=f(1,ixc(2,i))-f11(i)
178 f(2,ixc(2,i))=f(2,ixc(2,i))-f21(i)
179 f(3,ixc(2,i))=f(3,ixc(2,i))-f31(i)
180 m(1,ixc(2,i))=m(1,ixc(2,i))-m11(i)
181 m(2,ixc(2,i))=m(2,ixc(2,i))-m21(i)
182 m(3,ixc(2,i))=m(3,ixc(2,i))-m31(i)
183 stifn(ixc(2,i))=stifn(ixc(2,i))+sti(i)*fac(i,1)
184 stifr(ixc(2,i))=stifr(ixc(2,i))+stir(i)*fac(i,1)
185 ENDDO
186 ELSE
187 IF(nodadt_therm == 1 ) THEN
188 DO i=jft,jlt
189 f(1,ixc(2,i))=f(1,ixc(2,i))-f11(i)
190 f(2,ixc(2,i))=f(2,ixc(2,i))-f21(i)
191 f(3,ixc(2,i))=f(3,ixc(2,i))-f31(i)
192 m(1,ixc(2,i))=m(1,ixc(2,i))-m11(i)
193 m(2,ixc(2,i))=m(2,ixc(2,i))-m21(i)
194 m(3,ixc(2,i))=m(3,ixc(2,i))-m31(i)
195 stifn(ixc(2,i))=stifn(ixc(2,i))+sti(i)*fac(i,1)
196 stifr(ixc(2,i))=stifr(ixc(2,i))+stir(i)*fac(i,1)
197 fthe(ixc(2,i))=fthe(ixc(2,i)) + them(i,1)
198 condn(ixc(2,i))=condn(ixc(2,i))+conde(i)
199 ENDDO
200 ELSE
201 DO i=jft,jlt
202 f(1,ixc(2,i))=f(1,ixc(2,i))-f11(i)
203 f(2,ixc(2,i))=f(2,ixc(2,i))-f21(i)
204 f(3,ixc(2,i))=f(3,ixc(2,i))-f31(i)
205 m(1,ixc(2,i))=m(1,ixc(2,i))-m11(i)
206 m(2,ixc(2,i))=m(2,ixc(2,i))-m21(i)
207 m(3,ixc(2,i))=m(3,ixc(2,i))-m31(i)
208 stifn(ixc(2,i))=stifn(ixc(2,i))+sti(i)*fac(i,1)
209 stifr(ixc(2,i))=stifr(ixc(2,i))+stir(i)*fac(i,1)
210 fthe(ixc(2,i))=fthe(ixc(2,i)) + them(i,1)
211 ENDDO
212 ENDIF
213 ENDIF
214 ENDIF
215
216 IF(nvc2==0)THEN
217 IF(jthe == 0 ) THEN
218#include "vectorize.inc"
219 DO i=jft,jlt
220 f(1,ixc(3,i))=f(1,ixc(3,i))-f12(i)
221 f(2,ixc(3,i))=f(2,ixc(3,i))-f22(i)
222 f(3,ixc(3,i))=f(3,ixc(3,i))-f32(i)
223 m(1,ixc(3,i))=m(1,ixc(3,i))-m12(i)
224 m(2,ixc(3,i))=m(2,ixc(3,i))-m22(i)
225 m(3,ixc(3,i))=m(3,ixc(3,i))-m32(i)
226 stifn(ixc(3,i))=stifn(ixc(3,i))+sti(i)*fac(i,2)
227 stifr(ixc(3,i))=stifr(ixc(3,i))+stir(i)*fac(i,2)
228 ENDDO
229 ELSE
230 IF(nodadt_therm == 1 ) THEN
231#include "vectorize.inc"
232 DO i=jft,jlt
233 f(1,ixc(3,i))=f(1,ixc(3,i))-f12(i)
234 f(2,ixc(3,i))=f(2,ixc(3,i))-f22(i)
235 f(3,ixc(3,i))=f(3,ixc(3,i))-f32(i)
236 m(1,ixc(3,i))=m(1,ixc(3,i))-m12(i)
237 m(2,ixc(3,i))=m(2,ixc(3,i))-m22(i)
238 m(3,ixc(3,i))=m(3,ixc(3,i))-m32(i)
239 stifn(ixc(3,i))=stifn(ixc(3,i))+sti(i)*fac(i,2)
240 stifr(ixc(3,i))=stifr(ixc(3,i))+stir(i)*fac(i,2)
241 fthe(ixc(3,i))=fthe(ixc(3,i)) + them(i,2)
242 condn(ixc(3,i))=condn(ixc(3,i))+conde(i)
243 ENDDO
244 ELSE
245#include "vectorize.inc"
246 DO i=jft,jlt
247 f(1,ixc(3,i))=f(1,ixc(3,i))-f12(i)
248 f(2,ixc(3,i))=f(2,ixc(3,i))-f22(i)
249 f(3,ixc(3,i))=f(3,ixc(3,i))-f32(i)
250 m(1,ixc(3,i))=m(1,ixc(3,i))-m12(i)
251 m(2,ixc(3,i))=m(2,ixc(3,i))-m22(i)
252 m(3,ixc(3,i))=m(3,ixc(3,i))-m32(i)
253 stifn(ixc(3,i))=stifn(ixc(3,i))+sti(i)*fac(i,2)
254 stifr(ixc(3,i))=stifr(ixc(3,i))+stir(i)*fac(i,2)
255 fthe(ixc(3,i))=fthe(ixc(3,i)) + them(i,2)
256 ENDDO
257 ENDIF
258 ENDIF
259
260 ELSE
261 IF(jthe == 0 ) THEN
262 DO i=jft,jlt
263 f(1,ixc(3,i))=f(1,ixc(3,i))-f12(i)
264 f(2,ixc(3,i))=f(2,ixc(3,i))-f22(i)
265 f(3,ixc(3,i))=f(3,ixc(3,i))-f32(i)
266 m(1,ixc(3,i))=m(1,ixc(3,i))-m12(i)
267 m(2,ixc(3,i))=m(2,ixc(3,i))-m22(i)
268 m(3,ixc(3,i))=m(3,ixc(3,i))-m32(i)
269 stifn(ixc(3,i))=stifn(ixc(3,i))+sti(i)*fac(i,2)
270 stifr(ixc(3,i))=stifr(ixc(3,i))+stir(i)*fac(i,2)
271 ENDDO
272 ELSE
273 IF(nodadt_therm == 1 ) THEN
274 DO i=jft,jlt
275 f(1,ixc(3,i))=f(1,ixc(3,i))-f12(i)
276 f(2,ixc(3,i))=f(2,ixc(3,i))-f22(i)
277 f(3,ixc(3,i))=f(3,ixc(3,i))-f32(i)
278 m(1,ixc(3,i))=m(1,ixc(3,i))-m12(i)
279 m(2,ixc(3,i))=m(2,ixc(3,i))-m22(i)
280 m(3,ixc(3,i))=m(3,ixc(3,i))-m32(i)
281 stifn(ixc(3,i))=stifn(ixc(3,i))+sti(i)*fac(i,2)
282 stifr(ixc(3,i))=stifr(ixc(3,i))+stir(i)*fac(i,2)
283 fthe(ixc(3,i))=fthe(ixc(3,i)) + them(i,2)
284 condn(ixc(3,i))=condn(ixc(3,i))+conde(i)
285 ENDDO
286 ELSE
287 DO i=jft,jlt
288 f(1,ixc(3,i))=f(1,ixc(3,i))-f12(i)
289 f(2,ixc(3,i))=f(2,ixc(3,i))-f22(i)
290 f(3,ixc(3,i))=f(3,ixc(3,i))-f32(i)
291 m(1,ixc(3,i))=m(1,ixc(3,i))-m12(i)
292 m(2,ixc(3,i))=m(2,ixc(3,i))-m22(i)
293 m(3,ixc(3,i))=m(3,ixc(3,i))-m32(i)
294 stifn(ixc(3,i))=stifn(ixc(3,i))+sti(i)*fac(i,2)
295 stifr(ixc(3,i))=stifr(ixc(3,i))+stir(i)*fac(i,2)
296 fthe(ixc(3,i))=fthe(ixc(3,i)) + them(i,2)
297 ENDDO
298 ENDIF
299 ENDIF
300
301 ENDIF
302
303 IF(nvc3==0)THEN
304 IF(jthe == 0) THEN
305#include "vectorize.inc"
306 DO i=jft,jlt
307 f(1,ixc(4,i))=f(1,ixc(4,i))-f13(i)
308 f(2,ixc(4,i))=f(2,ixc(4,i))-f23(i)
309 f(3,ixc(4,i))=f(3,ixc(4,i))-f33(i)
310 m(1,ixc(4,i))=m(1,ixc(4,i))-m13(i)
311 m(2,ixc(4,i))=m(2,ixc(4,i))-m23(i)
312 m(3,ixc(4,i))=m(3,ixc(4,i))-m33(i)
313 stifn(ixc(4,i))=stifn(ixc(4,i))+sti(i)*fac(i,1)
314 stifr(ixc(4,i))=stifr(ixc(4,i))+stir(i)*fac(i,1)
315 ENDDO
316 ELSE
317 IF(nodadt_therm == 1 ) THEN
318#include "vectorize.inc"
319 DO i=jft,jlt
320 f(1,ixc(4,i))=f(1,ixc(4,i))-f13(i)
321 f(2,ixc(4,i))=f(2,ixc(4,i))-f23(i)
322 f(3,ixc(4,i))=f(3,ixc(4,i))-f33(i)
323 m(1,ixc(4,i))=m(1,ixc(4,i))-m13(i)
324 m(2,ixc(4,i))=m(2,ixc(4,i))-m23(i)
325 m(3,ixc(4,i))=m(3,ixc(4,i))-m33(i)
326 stifn(ixc(4,i))=stifn(ixc(4,i))+sti(i)*fac(i,1)
327 stifr(ixc(4,i))=stifr(ixc(4,i))+stir(i)*fac(i,1)
328 fthe(ixc(4,i))=fthe(ixc(4,i)) + them(i,3)
329 condn(ixc(4,i))=condn(ixc(4,i))+conde(i)
330 ENDDO
331 ELSE
332#include "vectorize.inc"
333 DO i=jft,jlt
334 f(1,ixc(4,i))=f(1,ixc(4,i))-f13(i)
335 f(2,ixc(4,i))=f(2,ixc(4,i))-f23(i)
336 f(3,ixc(4,i))=f(3,ixc(4,i))-f33(i)
337 m(1,ixc(4,i))=m(1,ixc(4,i))-m13(i)
338 m(2,ixc(4,i))=m(2,ixc(4,i))-m23(i)
339 m(3,ixc(4,i))=m(3,ixc(4,i))-m33(i)
340 stifn(ixc(4,i))=stifn(ixc(4,i))+sti(i)*fac(i,1)
341 stifr(ixc(4,i))=stifr(ixc(4,i))+stir(i)*fac(i,1)
342 fthe(ixc(4,i))=fthe(ixc(4,i)) + them(i,3)
343 ENDDO
344 ENDIF
345 ENDIF
346
347 ELSE
348 IF(jthe == 0 ) THEN
349 DO i=jft,jlt
350 f(1,ixc(4,i))=f(1,ixc(4,i))-f13(i)
351 f(2,ixc(4,i))=f(2,ixc(4,i))-f23(i)
352 f(3,ixc(4,i))=f(3,ixc(4,i))-f33(i)
353 m(1,ixc(4,i))=m(1,ixc(4,i))-m13(i)
354 m(2,ixc(4,i))=m(2,ixc(4,i))-m23(i)
355 m(3,ixc(4,i))=m(3,ixc(4,i))-m33(i)
356 stifn(ixc(4,i))=stifn(ixc(4,i))+sti(i)*fac(i,1)
357 stifr(ixc(4,i))=stifr(ixc(4,i))+stir(i)*fac(i,1)
358 ENDDO
359 ELSE
360 IF(nodadt_therm == 1 ) THEN
361 DO i=jft,jlt
362 f(1,ixc(4,i))=f(1,ixc(4,i))-f13(i)
363 f(2,ixc(4,i))=f(2,ixc(4,i))-f23(i)
364 f(3,ixc(4,i))=f(3,ixc(4,i))-f33(i)
365 m(1,ixc(4,i))=m(1,ixc(4,i))-m13(i)
366 m(2,ixc(4,i))=m(2,ixc(4,i))-m23(i)
367 m(3,ixc(4,i))=m(3,ixc(4,i))-m33(i)
368 stifn(ixc(4,i))=stifn(ixc(4,i))+sti(i)*fac(i,1)
369 stifr(ixc(4,i))=stifr(ixc(4,i))+stir(i)*fac(i,1)
370 fthe(ixc(4,i))=fthe(ixc(4,i)) + them(i,3)
371 condn(ixc(4,i))=condn(ixc(4,i))+conde(i)
372 ENDDO
373 ELSE
374 DO i=jft,jlt
375 f(1,ixc(4,i))=f(1,ixc(4,i))-f13(i)
376 f(2,ixc(4,i))=f(2,ixc(4,i))-f23(i)
377 f(3,ixc(4,i))=f(3,ixc(4,i))-f33(i)
378 m(1,ixc(4,i))=m(1,ixc(4,i))-m13(i)
379 m(2,ixc(4,i))=m(2,ixc(4,i))-m23(i)
380 m(3,ixc(4,i))=m(3,ixc(4,i))-m33(i)
381 stifn(ixc(4,i))=stifn(ixc(4,i))+sti(i)*fac(i,1)
382 stifr(ixc(4,i))=stifr(ixc(4,i))+stir(i)*fac(i,1)
383 fthe(ixc(4,i))=fthe(ixc(4,i)) + them(i,3)
384 ENDDO
385 ENDIF
386 ENDIF
387
388 ENDIF
389
390 IF(nvc4==0)THEN
391 IF(jthe == 0) THEN
392#include "vectorize.inc"
393 DO i=jft,jlt
394 f(1,ixc(5,i))=f(1,ixc(5,i))-f14(i)
395 f(2,ixc(5,i))=f(2,ixc(5,i))-f24(i)
396 f(3,ixc(5,i))=f(3,ixc(5,i))-f34(i)
397 m(1,ixc(5,i))=m(1,ixc(5,i))-m14(i)
398 m(2,ixc(5,i))=m(2,ixc(5,i))-m24(i)
399 m(3,ixc(5,i))=m(3,ixc(5,i))-m34(i)
400 stifn(ixc(5,i))=stifn(ixc(5,i))+sti(i)*fac(i,2)
401 stifr(ixc(5,i))=stifr(ixc(5,i))+stir(i)*fac(i,2)
402 ENDDO
403 ELSE
404 IF(nodadt_therm == 1 ) THEN
405#include "vectorize.inc"
406 DO i=jft,jlt
407 f(1,ixc(5,i))=f(1,ixc(5,i))-f14(i)
408 f(2,ixc(5,i))=f(2,ixc(5,i))-f24(i)
409 f(3,ixc(5,i))=f(3,ixc(5,i))-f34(i)
410 m(1,ixc(5,i))=m(1,ixc(5,i))-m14(i)
411 m(2,ixc(5,i))=m(2,ixc(5,i))-m24(i)
412 m(3,ixc(5,i))=m(3,ixc(5,i))-m34(i)
413 stifn(ixc(5,i))=stifn(ixc(5,i))+sti(i)*fac(i,2)
414 stifr(ixc(5,i))=stifr(ixc(5,i))+stir(i)*fac(i,2)
415 fthe(ixc(5,i))=fthe(ixc(5,i)) + them(i,4)
416 condn(ixc(5,i))=condn(ixc(5,i))+conde(i)
417 ENDDO
418 ELSE
419#include "vectorize.inc"
420 DO i=jft,jlt
421 f(1,ixc(5,i))=f(1,ixc(5,i))-f14(i)
422 f(2,ixc(5,i))=f(2,ixc(5,i))-f24(i)
423 f(3,ixc(5,i))=f(3,ixc(5,i))-f34(i)
424 m(1,ixc(5,i))=m(1,ixc(5,i))-m14(i)
425 m(2,ixc(5,i))=m(2,ixc(5,i))-m24(i)
426 m(3,ixc(5,i))=m(3,ixc(5,i))-m34(i)
427 stifn(ixc(5,i))=stifn(ixc(5,i))+sti(i)*fac(i,2)
428 stifr(ixc(5,i))=stifr(ixc(5,i))+stir(i)*fac(i,2)
429 fthe(ixc(5,i))=fthe(ixc(5,i)) + them(i,4)
430 ENDDO
431 ENDIF
432
433 ENDIF
434
435 ELSE
436 IF(jthe == 0) THEN
437 DO i=jft,jlt
438 f(1,ixc(5,i))=f(1,ixc(5,i))-f14(i)
439 f(2,ixc(5,i))=f(2,ixc(5,i))-f24(i)
440 f(3,ixc(5,i))=f(3,ixc(5,i))-f34(i)
441 m(1,ixc(5,i))=m(1,ixc(5,i))-m14(i)
442 m(2,ixc(5,i))=m(2,ixc(5,i))-m24(i)
443 m(3,ixc(5,i))=m(3,ixc(5,i))-m34(i)
444 stifn(ixc(5,i))=stifn(ixc(5,i))+sti(i)*fac(i,2)
445 stifr(ixc(5,i))=stifr(ixc(5,i))+stir(i)*fac(i,2)
446 ENDDO
447 ELSE
448 IF(nodadt_therm == 1 ) THEN
449 DO i=jft,jlt
450 f(1,ixc(5,i))=f(1,ixc(5,i))-f14(i)
451 f(2,ixc(5,i))=f(2,ixc(5,i))-f24(i)
452 f(3,ixc(5,i))=f(3,ixc(5,i))-f34(i)
453 m(1,ixc(5,i))=m(1,ixc(5,i))-m14(i)
454 m(2,ixc(5,i))=m(2,ixc(5,i))-m24(i)
455 m(3,ixc(5,i))=m(3,ixc(5,i))-m34(i)
456 stifn(ixc(5,i))=stifn(ixc(5,i))+sti(i)*fac(i,2)
457 stifr(ixc(5,i))=stifr(ixc(5,i))+stir(i)*fac(i,2)
458 fthe(ixc(5,i))=fthe(ixc(5,i)) + them(i,4)
459 condn(ixc(5,i))=condn(ixc(5,i))+conde(i)
460 ENDDO
461 ELSE
462 DO i=jft,jlt
463 f(1,ixc(5,i))=f(1,ixc(5,i))-f14(i)
464 f(2,ixc(5,i))=f(2,ixc(5,i))-f24(i)
465 f(3,ixc(5,i))=f(3,ixc(5,i))-f34(i)
466 m(1,ixc(5,i))=m(1,ixc(5,i))-m14(i)
467 m(2,ixc(5,i))=m(2,ixc(5,i))-m24(i)
468 m(3,ixc(5,i))=m(3,ixc(5,i))-m34(i)
469 stifn(ixc(5,i))=stifn(ixc(5,i))+sti(i)*fac(i,2)
470 stifr(ixc(5,i))=stifr(ixc(5,i))+stir(i)*fac(i,2)
471 fthe(ixc(5,i))=fthe(ixc(5,i)) + them(i,4)
472 ENDDO
473 ENDIF
474 ENDIF
475
476 ENDIF
477
478 RETURN
subroutine area(d1, x, x2, y, y2, eint, stif0)