1 | MODULE lib_fortran |
---|
2 | !!====================================================================== |
---|
3 | !! *** MODULE lib_fortran *** |
---|
4 | !! Fortran utilities: includes some low levels fortran functionality |
---|
5 | !!====================================================================== |
---|
6 | !! History : 3.2 ! 2010-05 (M. Dunphy, R. Benshila) Original code |
---|
7 | !!---------------------------------------------------------------------- |
---|
8 | |
---|
9 | !!---------------------------------------------------------------------- |
---|
10 | !! glob_sum : generic interface for global masked summation over |
---|
11 | !! the interior domain for 1 or 2 2D or 3D arrays |
---|
12 | !! it works only for T points |
---|
13 | !! SIGN : generic interface for SIGN to overwrite f95 behaviour |
---|
14 | !! of intrinsinc sign function |
---|
15 | !!---------------------------------------------------------------------- |
---|
16 | USE par_oce ! Ocean parameter |
---|
17 | USE lib_mpp ! distributed memory computing |
---|
18 | USE dom_oce ! ocean domain |
---|
19 | USE in_out_manager ! I/O manager |
---|
20 | |
---|
21 | IMPLICIT NONE |
---|
22 | PRIVATE |
---|
23 | |
---|
24 | PUBLIC glob_sum |
---|
25 | #if defined key_nosignedzero |
---|
26 | PUBLIC SIGN |
---|
27 | #endif |
---|
28 | |
---|
29 | INTERFACE glob_sum |
---|
30 | MODULE PROCEDURE glob_sum_2d, glob_sum_3d,glob_sum_2d_a, glob_sum_3d_a |
---|
31 | END INTERFACE |
---|
32 | |
---|
33 | #if defined key_nosignedzero |
---|
34 | INTERFACE SIGN |
---|
35 | MODULE PROCEDURE SIGN_SCALAR, SIGN_ARRAY_1D, SIGN_ARRAY_2D, SIGN_ARRAY_3D, & |
---|
36 | & SIGN_ARRAY_1D_A, SIGN_ARRAY_2D_A, SIGN_ARRAY_3D_A, & |
---|
37 | & SIGN_ARRAY_1D_B, SIGN_ARRAY_2D_B, SIGN_ARRAY_3D_B |
---|
38 | END INTERFACE |
---|
39 | #endif |
---|
40 | |
---|
41 | !!---------------------------------------------------------------------- |
---|
42 | !! NEMO/OPA 3.3 , NEMO Consortium (2010) |
---|
43 | !! $Id$ |
---|
44 | !! Software governed by the CeCILL licence (NEMOGCM/NEMO_CeCILL.txt) |
---|
45 | !!---------------------------------------------------------------------- |
---|
46 | CONTAINS |
---|
47 | |
---|
48 | #if ! defined key_mpp_rep |
---|
49 | FUNCTION glob_sum_2d( ptab ) |
---|
50 | !!----------------------------------------------------------------------- |
---|
51 | !! *** FUNCTION glob_sum_2D *** |
---|
52 | !! |
---|
53 | !! ** Purpose : perform a masked sum on the inner global domain of a 2D array |
---|
54 | !!----------------------------------------------------------------------- |
---|
55 | REAL(wp), INTENT(in), DIMENSION(:,:) :: ptab ! input 2D array |
---|
56 | REAL(wp) :: glob_sum_2d ! global masked sum |
---|
57 | !!----------------------------------------------------------------------- |
---|
58 | ! |
---|
59 | glob_sum_2d = SUM( ptab(:,:)*tmask_i(:,:) ) |
---|
60 | IF( lk_mpp ) CALL mpp_sum( glob_sum_2d ) |
---|
61 | ! |
---|
62 | END FUNCTION glob_sum_2d |
---|
63 | |
---|
64 | |
---|
65 | FUNCTION glob_sum_3d( ptab ) |
---|
66 | !!----------------------------------------------------------------------- |
---|
67 | !! *** FUNCTION glob_sum_3D *** |
---|
68 | !! |
---|
69 | !! ** Purpose : perform a masked sum on the inner global domain of a 3D array |
---|
70 | !!----------------------------------------------------------------------- |
---|
71 | REAL(wp), INTENT(in), DIMENSION(:,:,:) :: ptab ! input 3D array |
---|
72 | REAL(wp) :: glob_sum_3d ! global masked sum |
---|
73 | !! |
---|
74 | INTEGER :: jk |
---|
75 | !!----------------------------------------------------------------------- |
---|
76 | ! |
---|
77 | glob_sum_3d = 0.e0 |
---|
78 | DO jk = 1, jpk |
---|
79 | glob_sum_3d = glob_sum_3d + SUM( ptab(:,:,jk)*tmask_i(:,:) ) |
---|
80 | END DO |
---|
81 | IF( lk_mpp ) CALL mpp_sum( glob_sum_3d ) |
---|
82 | ! |
---|
83 | END FUNCTION glob_sum_3d |
---|
84 | |
---|
85 | |
---|
86 | FUNCTION glob_sum_2d_a( ptab1, ptab2 ) |
---|
87 | !!----------------------------------------------------------------------- |
---|
88 | !! *** FUNCTION glob_sum_2D _a *** |
---|
89 | !! |
---|
90 | !! ** Purpose : perform a masked sum on the inner global domain of two 2D array |
---|
91 | !!----------------------------------------------------------------------- |
---|
92 | REAL(wp), INTENT(in), DIMENSION(:,:) :: ptab1, ptab2 ! input 2D array |
---|
93 | REAL(wp) , DIMENSION(2) :: glob_sum_2d_a ! global masked sum |
---|
94 | !!----------------------------------------------------------------------- |
---|
95 | ! |
---|
96 | glob_sum_2d_a(1) = SUM( ptab1(:,:)*tmask_i(:,:) ) |
---|
97 | glob_sum_2d_a(2) = SUM( ptab2(:,:)*tmask_i(:,:) ) |
---|
98 | IF( lk_mpp ) CALL mpp_sum( glob_sum_2d_a, 2 ) |
---|
99 | ! |
---|
100 | END FUNCTION glob_sum_2d_a |
---|
101 | |
---|
102 | |
---|
103 | FUNCTION glob_sum_3d_a( ptab1, ptab2 ) |
---|
104 | !!----------------------------------------------------------------------- |
---|
105 | !! *** FUNCTION glob_sum_3D_a *** |
---|
106 | !! |
---|
107 | !! ** Purpose : perform a masked sum on the inner global domain of two 3D array |
---|
108 | !!----------------------------------------------------------------------- |
---|
109 | REAL(wp), INTENT(in), DIMENSION(:,:,:) :: ptab1, ptab2 ! input 3D array |
---|
110 | REAL(wp) , DIMENSION(2) :: glob_sum_3d_a ! global masked sum |
---|
111 | !! |
---|
112 | INTEGER :: jk |
---|
113 | !!----------------------------------------------------------------------- |
---|
114 | ! |
---|
115 | glob_sum_3d_a(:) = 0.e0 |
---|
116 | DO jk = 1, jpk |
---|
117 | glob_sum_3d_a(1) = glob_sum_3d_a(1) + SUM( ptab1(:,:,jk)*tmask_i(:,:) ) |
---|
118 | glob_sum_3d_a(2) = glob_sum_3d_a(2) + SUM( ptab2(:,:,jk)*tmask_i(:,:) ) |
---|
119 | END DO |
---|
120 | IF( lk_mpp ) CALL mpp_sum( glob_sum_3d_a, 2 ) |
---|
121 | ! |
---|
122 | END FUNCTION glob_sum_3d_a |
---|
123 | |
---|
124 | #else |
---|
125 | !!---------------------------------------------------------------------- |
---|
126 | !! 'key_mpp_rep' MPP reproducibility |
---|
127 | !!---------------------------------------------------------------------- |
---|
128 | |
---|
129 | FUNCTION glob_sum_2d( ptab ) |
---|
130 | !!---------------------------------------------------------------------- |
---|
131 | !! *** FUNCTION glob_sum_2d *** |
---|
132 | !! |
---|
133 | !! ** Purpose : perform a sum in calling DDPDD routine |
---|
134 | !!---------------------------------------------------------------------- |
---|
135 | REAL(wp), INTENT(in), DIMENSION(jpi,jpj) :: ptab |
---|
136 | REAL(wp) :: glob_sum_2d ! global masked sum |
---|
137 | !! |
---|
138 | COMPLEX(wp):: ctmp |
---|
139 | REAL(wp) :: ztmp |
---|
140 | INTEGER :: ji, jj ! dummy loop indices |
---|
141 | !!----------------------------------------------------------------------- |
---|
142 | ! |
---|
143 | ztmp = 0.e0 |
---|
144 | ctmp = CMPLX( 0.e0, 0.e0, wp ) |
---|
145 | DO jj = 1, jpj |
---|
146 | DO ji =1, jpi |
---|
147 | ztmp = ptab(ji,jj) * tmask_i(ji,jj) |
---|
148 | CALL DDPDD( CMPLX( ztmp, 0.e0, wp ), ctmp ) |
---|
149 | END DO |
---|
150 | END DO |
---|
151 | IF( lk_mpp ) CALL mpp_sum( ctmp ) ! sum over the global domain |
---|
152 | glob_sum_2d = REAL(ctmp,wp) |
---|
153 | ! |
---|
154 | END FUNCTION glob_sum_2d |
---|
155 | |
---|
156 | |
---|
157 | FUNCTION glob_sum_3d( ptab ) |
---|
158 | !!---------------------------------------------------------------------- |
---|
159 | !! *** FUNCTION glob_sum_3d *** |
---|
160 | !! |
---|
161 | !! ** Purpose : perform a sum on a 3D array in calling DDPDD routine |
---|
162 | !!---------------------------------------------------------------------- |
---|
163 | REAL(wp), INTENT(in), DIMENSION(jpi,jpj,jpk) :: ptab |
---|
164 | REAL(wp) :: glob_sum_3d ! global masked sum |
---|
165 | !! |
---|
166 | COMPLEX(wp):: ctmp |
---|
167 | REAL(wp) :: ztmp |
---|
168 | INTEGER :: ji, jj, jk ! dummy loop indices |
---|
169 | !!----------------------------------------------------------------------- |
---|
170 | ! |
---|
171 | ztmp = 0.e0 |
---|
172 | ctmp = CMPLX( 0.e0, 0.e0, wp ) |
---|
173 | DO jk = 1, jpk |
---|
174 | DO jj = 1, jpj |
---|
175 | DO ji =1, jpi |
---|
176 | ztmp = ptab(ji,jj,jk) * tmask_i(ji,jj) |
---|
177 | CALL DDPDD( CMPLX( ztmp, 0.e0, wp ), ctmp ) |
---|
178 | END DO |
---|
179 | END DO |
---|
180 | END DO |
---|
181 | IF( lk_mpp ) CALL mpp_sum( ctmp ) ! sum over the global domain |
---|
182 | glob_sum_3d = REAL(ctmp,wp) |
---|
183 | ! |
---|
184 | END FUNCTION glob_sum_3d |
---|
185 | |
---|
186 | |
---|
187 | FUNCTION glob_sum_2d_a( ptab1, ptab2 ) |
---|
188 | !!---------------------------------------------------------------------- |
---|
189 | !! *** FUNCTION glob_sum_2d_a *** |
---|
190 | !! |
---|
191 | !! ** Purpose : perform a sum on two 2D arrays in calling DDPDD routine |
---|
192 | !!---------------------------------------------------------------------- |
---|
193 | REAL(wp), INTENT(in), DIMENSION(jpi,jpj) :: ptab1, ptab2 |
---|
194 | REAL(wp) :: glob_sum_2d_a ! global masked sum |
---|
195 | !! |
---|
196 | COMPLEX(wp):: ctmp |
---|
197 | REAL(wp) :: ztmp |
---|
198 | INTEGER :: ji, jj ! dummy loop indices |
---|
199 | !!----------------------------------------------------------------------- |
---|
200 | ! |
---|
201 | ztmp = 0.e0 |
---|
202 | ctmp = CMPLX( 0.e0, 0.e0, wp ) |
---|
203 | DO jj = 1, jpj |
---|
204 | DO ji =1, jpi |
---|
205 | ztmp = ptab1(ji,jj) * tmask_i(ji,jj) |
---|
206 | CALL DDPDD( CMPLX( ztmp, 0.e0, wp ), ctmp ) |
---|
207 | ztmp = ptab2(ji,jj) * tmask_i(ji,jj) |
---|
208 | CALL DDPDD( CMPLX( ztmp, 0.e0, wp ), ctmp ) |
---|
209 | END DO |
---|
210 | END DO |
---|
211 | IF( lk_mpp ) CALL mpp_sum( ctmp ) ! sum over the global domain |
---|
212 | glob_sum_2d_a = REAL(ctmp,wp) |
---|
213 | ! |
---|
214 | END FUNCTION glob_sum_2d_a |
---|
215 | |
---|
216 | |
---|
217 | FUNCTION glob_sum_3d_a( ptab1, ptab2 ) |
---|
218 | !!---------------------------------------------------------------------- |
---|
219 | !! *** FUNCTION glob_sum_3d_a *** |
---|
220 | !! |
---|
221 | !! ** Purpose : perform a sum on two 3D array in calling DDPDD routine |
---|
222 | !!---------------------------------------------------------------------- |
---|
223 | REAL(wp), INTENT(in), DIMENSION(jpi,jpj,jpk) :: ptab1, ptab2 |
---|
224 | REAL(wp) :: glob_sum_3d_a ! global masked sum |
---|
225 | !! |
---|
226 | COMPLEX(wp):: ctmp |
---|
227 | REAL(wp) :: ztmp |
---|
228 | INTEGER :: ji, jj, jk ! dummy loop indices |
---|
229 | !!----------------------------------------------------------------------- |
---|
230 | ! |
---|
231 | ztmp = 0.e0 |
---|
232 | ctmp = CMPLX( 0.e0, 0.e0, wp ) |
---|
233 | DO jk = 1, jpk |
---|
234 | DO jj = 1, jpj |
---|
235 | DO ji =1, jpi |
---|
236 | ztmp = ptab1(ji,jj,jk) * tmask_i(ji,jj) |
---|
237 | CALL DDPDD( CMPLX( ztmp, 0.e0, wp ), ctmp ) |
---|
238 | ztmp = ptab2(ji,jj,jk) * tmask_i(ji,jj) |
---|
239 | CALL DDPDD( CMPLX( ztmp, 0.e0, wp ), ctmp ) |
---|
240 | END DO |
---|
241 | END DO |
---|
242 | END DO |
---|
243 | IF( lk_mpp ) CALL mpp_sum( ctmp ) ! sum over the global domain |
---|
244 | glob_sum_3d_a = REAL(ctmp,wp) |
---|
245 | ! |
---|
246 | END FUNCTION glob_sum_3d_a |
---|
247 | |
---|
248 | |
---|
249 | SUBROUTINE DDPDD( ydda, yddb ) |
---|
250 | !!---------------------------------------------------------------------- |
---|
251 | !! *** ROUTINE DDPDD *** |
---|
252 | !! |
---|
253 | !! ** Purpose : Add a scalar element to a sum |
---|
254 | !! |
---|
255 | !! |
---|
256 | !! ** Method : The code uses the compensated summation with doublet |
---|
257 | !! (sum,error) emulated useing complex numbers. ydda is the |
---|
258 | !! scalar to add to the summ yddb |
---|
259 | !! |
---|
260 | !! ** Action : This does only work for MPI. |
---|
261 | !! |
---|
262 | !! References : Using Acurate Arithmetics to Improve Numerical |
---|
263 | !! Reproducibility and Sability in Parallel Applications |
---|
264 | !! Yun HE and Chris H. Q. DING, Journal of Supercomputing 18, 259-277, 2001 |
---|
265 | !!---------------------------------------------------------------------- |
---|
266 | COMPLEX(wp), INTENT(in ) :: ydda |
---|
267 | COMPLEX(wp), INTENT(inout) :: yddb |
---|
268 | ! |
---|
269 | REAL(wp) :: zerr, zt1, zt2 ! local work variables |
---|
270 | !!----------------------------------------------------------------------- |
---|
271 | ! |
---|
272 | ! Compute ydda + yddb using Knuth's trick. |
---|
273 | zt1 = REAL(ydda) + REAL(yddb) |
---|
274 | zerr = zt1 - REAL(ydda) |
---|
275 | zt2 = ( (REAL(yddb) - zerr) + (REAL(ydda) - (zt1 - zerr)) ) & |
---|
276 | & + AIMAG(ydda) + AIMAG(yddb) |
---|
277 | ! |
---|
278 | ! The result is t1 + t2, after normalization. |
---|
279 | yddb = CMPLX( zt1 + zt2, zt2 - ((zt1 + zt2) - zt1), wp ) |
---|
280 | ! |
---|
281 | END SUBROUTINE DDPDD |
---|
282 | #endif |
---|
283 | |
---|
284 | #if defined key_nosignedzero |
---|
285 | !!---------------------------------------------------------------------- |
---|
286 | !! 'key_nosignedzero' F90 SIGN |
---|
287 | !!---------------------------------------------------------------------- |
---|
288 | |
---|
289 | FUNCTION SIGN_SCALAR( pa, pb ) |
---|
290 | !!----------------------------------------------------------------------- |
---|
291 | !! *** FUNCTION SIGN_SCALAR *** |
---|
292 | !! |
---|
293 | !! ** Purpose : overwrite f95 behaviour of intrinsinc sign function |
---|
294 | !!----------------------------------------------------------------------- |
---|
295 | REAL(wp) :: pa,pb ! input |
---|
296 | REAL(wp) :: SIGN_SCALAR ! result |
---|
297 | !!----------------------------------------------------------------------- |
---|
298 | IF ( pb >= 0.e0) THEN ; SIGN_SCALAR = ABS(pa) |
---|
299 | ELSE ; SIGN_SCALAR =-ABS(pa) |
---|
300 | ENDIF |
---|
301 | END FUNCTION SIGN_SCALAR |
---|
302 | |
---|
303 | |
---|
304 | FUNCTION SIGN_ARRAY_1D( pa, pb ) |
---|
305 | !!----------------------------------------------------------------------- |
---|
306 | !! *** FUNCTION SIGN_ARRAY_1D *** |
---|
307 | !! |
---|
308 | !! ** Purpose : overwrite f95 behaviour of intrinsinc sign function |
---|
309 | !!----------------------------------------------------------------------- |
---|
310 | REAL(wp) :: pa,pb(:) ! input |
---|
311 | REAL(wp) :: SIGN_ARRAY_1D(SIZE(pb,1)) ! result |
---|
312 | !!----------------------------------------------------------------------- |
---|
313 | WHERE ( pb >= 0.e0 ) ; SIGN_ARRAY_1D = ABS(pa) |
---|
314 | ELSEWHERE ; SIGN_ARRAY_1D =-ABS(pa) |
---|
315 | END WHERE |
---|
316 | END FUNCTION SIGN_ARRAY_1D |
---|
317 | |
---|
318 | |
---|
319 | FUNCTION SIGN_ARRAY_2D(pa,pb) |
---|
320 | !!----------------------------------------------------------------------- |
---|
321 | !! *** FUNCTION SIGN_ARRAY_2D *** |
---|
322 | !! |
---|
323 | !! ** Purpose : overwrite f95 behaviour of intrinsinc sign function |
---|
324 | !!----------------------------------------------------------------------- |
---|
325 | REAL(wp) :: pa,pb(:,:) ! input |
---|
326 | REAL(wp) :: SIGN_ARRAY_2D(SIZE(pb,1),SIZE(pb,2)) ! result |
---|
327 | !!----------------------------------------------------------------------- |
---|
328 | WHERE ( pb >= 0.e0 ) ; SIGN_ARRAY_2D = ABS(pa) |
---|
329 | ELSEWHERE ; SIGN_ARRAY_2D =-ABS(pa) |
---|
330 | END WHERE |
---|
331 | END FUNCTION SIGN_ARRAY_2D |
---|
332 | |
---|
333 | FUNCTION SIGN_ARRAY_3D(pa,pb) |
---|
334 | !!----------------------------------------------------------------------- |
---|
335 | !! *** FUNCTION SIGN_ARRAY_3D *** |
---|
336 | !! |
---|
337 | !! ** Purpose : overwrite f95 behaviour of intrinsinc sign function |
---|
338 | !!----------------------------------------------------------------------- |
---|
339 | REAL(wp) :: pa,pb(:,:,:) ! input |
---|
340 | REAL(wp) :: SIGN_ARRAY_3D(SIZE(pb,1),SIZE(pb,2),SIZE(pb,3)) ! result |
---|
341 | !!----------------------------------------------------------------------- |
---|
342 | WHERE ( pb >= 0.e0 ) ; SIGN_ARRAY_3D = ABS(pa) |
---|
343 | ELSEWHERE ; SIGN_ARRAY_3D =-ABS(pa) |
---|
344 | END WHERE |
---|
345 | END FUNCTION SIGN_ARRAY_3D |
---|
346 | |
---|
347 | |
---|
348 | FUNCTION SIGN_ARRAY_1D_A(pa,pb) |
---|
349 | !!----------------------------------------------------------------------- |
---|
350 | !! *** FUNCTION SIGN_ARRAY_1D_A *** |
---|
351 | !! |
---|
352 | !! ** Purpose : overwrite f95 behaviour of intrinsinc sign function |
---|
353 | !!----------------------------------------------------------------------- |
---|
354 | REAL(wp) :: pa(:),pb(:) ! input |
---|
355 | REAL(wp) :: SIGN_ARRAY_1D_A(SIZE(pb,1)) ! result |
---|
356 | !!----------------------------------------------------------------------- |
---|
357 | WHERE ( pb >= 0.e0 ) ; SIGN_ARRAY_1D_A = ABS(pa) |
---|
358 | ELSEWHERE ; SIGN_ARRAY_1D_A =-ABS(pa) |
---|
359 | END WHERE |
---|
360 | END FUNCTION SIGN_ARRAY_1D_A |
---|
361 | |
---|
362 | |
---|
363 | FUNCTION SIGN_ARRAY_2D_A(pa,pb) |
---|
364 | !!----------------------------------------------------------------------- |
---|
365 | !! *** FUNCTION SIGN_ARRAY_2D_A *** |
---|
366 | !! |
---|
367 | !! ** Purpose : overwrite f95 behaviour of intrinsinc sign function |
---|
368 | !!----------------------------------------------------------------------- |
---|
369 | REAL(wp) :: pa(:,:),pb(:,:) ! input |
---|
370 | REAL(wp) :: SIGN_ARRAY_2D_A(SIZE(pb,1),SIZE(pb,2)) ! result |
---|
371 | !!----------------------------------------------------------------------- |
---|
372 | WHERE ( pb >= 0.e0 ) ; SIGN_ARRAY_2D_A = ABS(pa) |
---|
373 | ELSEWHERE ; SIGN_ARRAY_2D_A =-ABS(pa) |
---|
374 | END WHERE |
---|
375 | END FUNCTION SIGN_ARRAY_2D_A |
---|
376 | |
---|
377 | |
---|
378 | FUNCTION SIGN_ARRAY_3D_A(pa,pb) |
---|
379 | !!----------------------------------------------------------------------- |
---|
380 | !! *** FUNCTION SIGN_ARRAY_3D_A *** |
---|
381 | !! |
---|
382 | !! ** Purpose : overwrite f95 behaviour of intrinsinc sign function |
---|
383 | !!----------------------------------------------------------------------- |
---|
384 | REAL(wp) :: pa(:,:,:),pb(:,:,:) ! input |
---|
385 | REAL(wp) :: SIGN_ARRAY_3D_A(SIZE(pb,1),SIZE(pb,2),SIZE(pb,3)) ! result |
---|
386 | !!----------------------------------------------------------------------- |
---|
387 | WHERE ( pb >= 0.e0 ) ; SIGN_ARRAY_3D_A = ABS(pa) |
---|
388 | ELSEWHERE ; SIGN_ARRAY_3D_A =-ABS(pa) |
---|
389 | END WHERE |
---|
390 | END FUNCTION SIGN_ARRAY_3D_A |
---|
391 | |
---|
392 | |
---|
393 | FUNCTION SIGN_ARRAY_1D_B(pa,pb) |
---|
394 | !!----------------------------------------------------------------------- |
---|
395 | !! *** FUNCTION SIGN_ARRAY_1D_B *** |
---|
396 | !! |
---|
397 | !! ** Purpose : overwrite f95 behaviour of intrinsinc sign function |
---|
398 | !!----------------------------------------------------------------------- |
---|
399 | REAL(wp) :: pa(:),pb ! input |
---|
400 | REAL(wp) :: SIGN_ARRAY_1D_B(SIZE(pa,1)) ! result |
---|
401 | !!----------------------------------------------------------------------- |
---|
402 | IF( pb >= 0.e0 ) THEN ; SIGN_ARRAY_1D_B = ABS(pa) |
---|
403 | ELSE ; SIGN_ARRAY_1D_B =-ABS(pa) |
---|
404 | ENDIF |
---|
405 | END FUNCTION SIGN_ARRAY_1D_B |
---|
406 | |
---|
407 | |
---|
408 | FUNCTION SIGN_ARRAY_2D_B(pa,pb) |
---|
409 | !!----------------------------------------------------------------------- |
---|
410 | !! *** FUNCTION SIGN_ARRAY_2D_B *** |
---|
411 | !! |
---|
412 | !! ** Purpose : overwrite f95 behaviour of intrinsinc sign function |
---|
413 | !!----------------------------------------------------------------------- |
---|
414 | REAL(wp) :: pa(:,:),pb ! input |
---|
415 | REAL(wp) :: SIGN_ARRAY_2D_B(SIZE(pa,1),SIZE(pa,2)) ! result |
---|
416 | !!----------------------------------------------------------------------- |
---|
417 | IF( pb >= 0.e0 ) THEN ; SIGN_ARRAY_2D_B = ABS(pa) |
---|
418 | ELSE ; SIGN_ARRAY_2D_B =-ABS(pa) |
---|
419 | ENDIF |
---|
420 | END FUNCTION SIGN_ARRAY_2D_B |
---|
421 | |
---|
422 | |
---|
423 | FUNCTION SIGN_ARRAY_3D_B(pa,pb) |
---|
424 | !!----------------------------------------------------------------------- |
---|
425 | !! *** FUNCTION SIGN_ARRAY_3D_B *** |
---|
426 | !! |
---|
427 | !! ** Purpose : overwrite f95 behaviour of intrinsinc sign function |
---|
428 | !!----------------------------------------------------------------------- |
---|
429 | REAL(wp) :: pa(:,:,:),pb ! input |
---|
430 | REAL(wp) :: SIGN_ARRAY_3D_B(SIZE(pa,1),SIZE(pa,2),SIZE(pa,3)) ! result |
---|
431 | !!----------------------------------------------------------------------- |
---|
432 | IF( pb >= 0.e0 ) THEN ; SIGN_ARRAY_3D_B = ABS(pa) |
---|
433 | ELSE ; SIGN_ARRAY_3D_B =-ABS(pa) |
---|
434 | ENDIF |
---|
435 | END FUNCTION SIGN_ARRAY_3D_B |
---|
436 | #endif |
---|
437 | |
---|
438 | !!====================================================================== |
---|
439 | END MODULE lib_fortran |
---|