MODULE lib_fortran !!====================================================================== !! *** MODULE lib_fortran *** !! Fortran utilities: includes some low levels fortran functionality !!====================================================================== !! History : 3.2 ! 2010-05 (M. Dunphy, R. Benshila) Original code !! 3.4 ! 2013-06 (C. Rousset) add glob_min, glob_max !! + 3d dim. of input is fexible (jpk, jpl...) !! 4.0 ! 2016-06 (T. Lovato) double precision global sum by default !!---------------------------------------------------------------------- !!---------------------------------------------------------------------- !! glob_sum : generic interface for global masked summation over !! the interior domain for 1 or 2 2D or 3D arrays !! it works only for T points !! SIGN : generic interface for SIGN to overwrite f95 behaviour !! of intrinsinc sign function !!---------------------------------------------------------------------- USE par_oce ! Ocean parameter USE dom_oce ! ocean domain USE in_out_manager ! I/O manager USE lib_mpp ! distributed memory computing IMPLICIT NONE PRIVATE PUBLIC glob_sum ! used in many places (masked with tmask_i) PUBLIC glob_sum_full ! used in many places (masked with tmask_h, ie only over the halos) PUBLIC DDPDD ! also used in closea module PUBLIC glob_min, glob_max #if defined key_nosignedzero PUBLIC SIGN #endif INTERFACE glob_sum MODULE PROCEDURE glob_sum_1d, glob_sum_2d, glob_sum_3d, & & glob_sum_2d_a, glob_sum_3d_a END INTERFACE INTERFACE glob_sum_full MODULE PROCEDURE glob_sum_full_2d, glob_sum_full_3d END INTERFACE INTERFACE glob_min MODULE PROCEDURE glob_min_2d, glob_min_3d,glob_min_2d_a, glob_min_3d_a END INTERFACE INTERFACE glob_max MODULE PROCEDURE glob_max_2d, glob_max_3d,glob_max_2d_a, glob_max_3d_a END INTERFACE #if defined key_nosignedzero INTERFACE SIGN MODULE PROCEDURE SIGN_SCALAR, SIGN_ARRAY_1D, SIGN_ARRAY_2D, SIGN_ARRAY_3D, & & SIGN_ARRAY_1D_A, SIGN_ARRAY_2D_A, SIGN_ARRAY_3D_A, & & SIGN_ARRAY_1D_B, SIGN_ARRAY_2D_B, SIGN_ARRAY_3D_B END INTERFACE #endif !!---------------------------------------------------------------------- !! NEMO/OCE 3.3 , NEMO Consortium (2010) !! $Id$ !! Software governed by the CeCILL licence (NEMOGCM/NEMO_CeCILL.txt) !!---------------------------------------------------------------------- CONTAINS ! --- SUM --- FUNCTION glob_sum_1d( ptab, kdim ) !!---------------------------------------------------------------------- !! *** FUNCTION glob_sum_1d *** !! !! ** Purpose : perform a sum in calling DDPDD routine !!---------------------------------------------------------------------- INTEGER , INTENT(in) :: kdim REAL(wp), INTENT(in), DIMENSION(kdim) :: ptab REAL(wp) :: glob_sum_1d ! global sum !! COMPLEX(wp):: ctmp REAL(wp) :: ztmp INTEGER :: ji ! dummy loop indices !!----------------------------------------------------------------------- ! ztmp = 0.e0 ctmp = CMPLX( 0.e0, 0.e0, wp ) DO ji = 1, kdim ztmp = ptab(ji) CALL DDPDD( CMPLX( ztmp, 0.e0, wp ), ctmp ) END DO IF( lk_mpp ) CALL mpp_sum( ctmp ) ! sum over the global domain glob_sum_1d = REAL(ctmp,wp) ! END FUNCTION glob_sum_1d FUNCTION glob_sum_2d( ptab ) !!---------------------------------------------------------------------- !! *** FUNCTION glob_sum_2d *** !! !! ** Purpose : perform a sum in calling DDPDD routine !!---------------------------------------------------------------------- REAL(wp), INTENT(in), DIMENSION(:,:) :: ptab REAL(wp) :: glob_sum_2d ! global masked sum !! COMPLEX(wp):: ctmp REAL(wp) :: ztmp INTEGER :: ji, jj ! dummy loop indices !!----------------------------------------------------------------------- ! ztmp = 0.e0 ctmp = CMPLX( 0.e0, 0.e0, wp ) DO jj = 1, jpj DO ji =1, jpi ztmp = ptab(ji,jj) * tmask_i(ji,jj) CALL DDPDD( CMPLX( ztmp, 0.e0, wp ), ctmp ) END DO END DO IF( lk_mpp ) CALL mpp_sum( ctmp ) ! sum over the global domain glob_sum_2d = REAL(ctmp,wp) ! END FUNCTION glob_sum_2d FUNCTION glob_sum_3d( ptab ) !!---------------------------------------------------------------------- !! *** FUNCTION glob_sum_3d *** !! !! ** Purpose : perform a sum on a 3D array in calling DDPDD routine !!---------------------------------------------------------------------- REAL(wp), INTENT(in), DIMENSION(:,:,:) :: ptab REAL(wp) :: glob_sum_3d ! global masked sum !! COMPLEX(wp):: ctmp REAL(wp) :: ztmp INTEGER :: ji, jj, jk ! dummy loop indices INTEGER :: ijpk ! local variables: size of ptab !!----------------------------------------------------------------------- ! ijpk = SIZE(ptab,3) ! ztmp = 0.e0 ctmp = CMPLX( 0.e0, 0.e0, wp ) DO jk = 1, ijpk DO jj = 1, jpj DO ji =1, jpi ztmp = ptab(ji,jj,jk) * tmask_i(ji,jj) CALL DDPDD( CMPLX( ztmp, 0.e0, wp ), ctmp ) END DO END DO END DO IF( lk_mpp ) CALL mpp_sum( ctmp ) ! sum over the global domain glob_sum_3d = REAL(ctmp,wp) ! END FUNCTION glob_sum_3d FUNCTION glob_sum_2d_a( ptab1, ptab2 ) !!---------------------------------------------------------------------- !! *** FUNCTION glob_sum_2d_a *** !! !! ** Purpose : perform a sum on two 2D arrays in calling DDPDD routine !!---------------------------------------------------------------------- REAL(wp), INTENT(in), DIMENSION(:,:) :: ptab1, ptab2 REAL(wp) :: glob_sum_2d_a ! global masked sum !! COMPLEX(wp):: ctmp REAL(wp) :: ztmp INTEGER :: ji, jj ! dummy loop indices !!----------------------------------------------------------------------- ! ztmp = 0.e0 ctmp = CMPLX( 0.e0, 0.e0, wp ) DO jj = 1, jpj DO ji =1, jpi ztmp = ptab1(ji,jj) * tmask_i(ji,jj) CALL DDPDD( CMPLX( ztmp, 0.e0, wp ), ctmp ) ztmp = ptab2(ji,jj) * tmask_i(ji,jj) CALL DDPDD( CMPLX( ztmp, 0.e0, wp ), ctmp ) END DO END DO IF( lk_mpp ) CALL mpp_sum( ctmp ) ! sum over the global domain glob_sum_2d_a = REAL(ctmp,wp) ! END FUNCTION glob_sum_2d_a FUNCTION glob_sum_3d_a( ptab1, ptab2 ) !!---------------------------------------------------------------------- !! *** FUNCTION glob_sum_3d_a *** !! !! ** Purpose : perform a sum on two 3D array in calling DDPDD routine !!---------------------------------------------------------------------- REAL(wp), INTENT(in), DIMENSION(:,:,:) :: ptab1, ptab2 REAL(wp) :: glob_sum_3d_a ! global masked sum !! COMPLEX(wp):: ctmp REAL(wp) :: ztmp INTEGER :: ji, jj, jk ! dummy loop indices INTEGER :: ijpk ! local variables: size of ptab !!----------------------------------------------------------------------- ! ijpk = SIZE(ptab1,3) ! ztmp = 0.e0 ctmp = CMPLX( 0.e0, 0.e0, wp ) DO jk = 1, ijpk DO jj = 1, jpj DO ji = 1, jpi ztmp = ptab1(ji,jj,jk) * tmask_i(ji,jj) CALL DDPDD( CMPLX( ztmp, 0.e0, wp ), ctmp ) ztmp = ptab2(ji,jj,jk) * tmask_i(ji,jj) CALL DDPDD( CMPLX( ztmp, 0.e0, wp ), ctmp ) END DO END DO END DO IF( lk_mpp ) CALL mpp_sum( ctmp ) ! sum over the global domain glob_sum_3d_a = REAL(ctmp,wp) ! END FUNCTION glob_sum_3d_a FUNCTION glob_sum_full_2d( ptab ) !!---------------------------------------------------------------------- !! *** FUNCTION glob_sum_full_2d *** !! !! ** Purpose : perform a sum in calling DDPDD routine !!---------------------------------------------------------------------- REAL(wp), INTENT(in), DIMENSION(:,:) :: ptab REAL(wp) :: glob_sum_full_2d ! global sum (nomask) !! COMPLEX(wp):: ctmp REAL(wp) :: ztmp INTEGER :: ji, jj ! dummy loop indices !!----------------------------------------------------------------------- ! ztmp = 0.e0 ctmp = CMPLX( 0.e0, 0.e0, wp ) DO jj = 1, jpj DO ji =1, jpi ztmp = ptab(ji,jj) * tmask_h(ji,jj) CALL DDPDD( CMPLX( ztmp, 0.e0, wp ), ctmp ) END DO END DO IF( lk_mpp ) CALL mpp_sum( ctmp ) ! sum over the global domain glob_sum_full_2d = REAL(ctmp,wp) ! END FUNCTION glob_sum_full_2d FUNCTION glob_sum_full_3d( ptab ) !!---------------------------------------------------------------------- !! *** FUNCTION glob_sum_full_3d *** !! !! ** Purpose : perform a sum on a 3D array in calling DDPDD routine !!---------------------------------------------------------------------- REAL(wp), INTENT(in), DIMENSION(:,:,:) :: ptab REAL(wp) :: glob_sum_full_3d ! global sum (nomask) !! COMPLEX(wp):: ctmp REAL(wp) :: ztmp INTEGER :: ji, jj, jk ! dummy loop indices INTEGER :: ijpk ! local variables: size of ptab !!----------------------------------------------------------------------- ! ijpk = SIZE(ptab,3) ! ztmp = 0.e0 ctmp = CMPLX( 0.e0, 0.e0, wp ) DO jk = 1, ijpk DO jj = 1, jpj DO ji =1, jpi ztmp = ptab(ji,jj,jk) * tmask_h(ji,jj) CALL DDPDD( CMPLX( ztmp, 0.e0, wp ), ctmp ) END DO END DO END DO IF( lk_mpp ) CALL mpp_sum( ctmp ) ! sum over the global domain glob_sum_full_3d = REAL(ctmp,wp) ! END FUNCTION glob_sum_full_3d ! --- MIN --- FUNCTION glob_min_2d( ptab ) !!----------------------------------------------------------------------- !! *** FUNCTION glob_min_2D *** !! !! ** Purpose : perform a masked min on the inner global domain of a 2D array !!----------------------------------------------------------------------- REAL(wp), INTENT(in), DIMENSION(:,:) :: ptab ! input 2D array REAL(wp) :: glob_min_2d ! global masked min !!----------------------------------------------------------------------- ! glob_min_2d = MINVAL( ptab(:,:)*tmask_i(:,:) ) IF( lk_mpp ) CALL mpp_min( glob_min_2d ) ! END FUNCTION glob_min_2d FUNCTION glob_min_3d( ptab ) !!----------------------------------------------------------------------- !! *** FUNCTION glob_min_3D *** !! !! ** Purpose : perform a masked min on the inner global domain of a 3D array !!----------------------------------------------------------------------- REAL(wp), INTENT(in), DIMENSION(:,:,:) :: ptab ! input 3D array REAL(wp) :: glob_min_3d ! global masked min !! INTEGER :: jk INTEGER :: ijpk ! local variable: size of the 3d dimension of ptab !!----------------------------------------------------------------------- ! ijpk = SIZE(ptab,3) ! glob_min_3d = MINVAL( ptab(:,:,1)*tmask_i(:,:) ) DO jk = 2, ijpk glob_min_3d = MIN( glob_min_3d, MINVAL( ptab(:,:,jk)*tmask_i(:,:) ) ) END DO IF( lk_mpp ) CALL mpp_min( glob_min_3d ) ! END FUNCTION glob_min_3d FUNCTION glob_min_2d_a( ptab1, ptab2 ) !!----------------------------------------------------------------------- !! *** FUNCTION glob_min_2D _a *** !! !! ** Purpose : perform a masked min on the inner global domain of two 2D array !!----------------------------------------------------------------------- REAL(wp), INTENT(in), DIMENSION(:,:) :: ptab1, ptab2 ! input 2D array REAL(wp) , DIMENSION(2) :: glob_min_2d_a ! global masked min !!----------------------------------------------------------------------- ! glob_min_2d_a(1) = MINVAL( ptab1(:,:)*tmask_i(:,:) ) glob_min_2d_a(2) = MINVAL( ptab2(:,:)*tmask_i(:,:) ) IF( lk_mpp ) CALL mpp_min( glob_min_2d_a, 2 ) ! END FUNCTION glob_min_2d_a FUNCTION glob_min_3d_a( ptab1, ptab2 ) !!----------------------------------------------------------------------- !! *** FUNCTION glob_min_3D_a *** !! !! ** Purpose : perform a masked min on the inner global domain of two 3D array !!----------------------------------------------------------------------- REAL(wp), INTENT(in), DIMENSION(:,:,:) :: ptab1, ptab2 ! input 3D array REAL(wp) , DIMENSION(2) :: glob_min_3d_a ! global masked min !! INTEGER :: jk INTEGER :: ijpk ! local variable: size of the 3d dimension of ptab !!----------------------------------------------------------------------- ! ijpk = SIZE(ptab1,3) ! glob_min_3d_a(1) = MINVAL( ptab1(:,:,1)*tmask_i(:,:) ) glob_min_3d_a(2) = MINVAL( ptab2(:,:,1)*tmask_i(:,:) ) DO jk = 2, ijpk glob_min_3d_a(1) = MIN( glob_min_3d_a(1), MINVAL( ptab1(:,:,jk)*tmask_i(:,:) ) ) glob_min_3d_a(2) = MIN( glob_min_3d_a(2), MINVAL( ptab2(:,:,jk)*tmask_i(:,:) ) ) END DO IF( lk_mpp ) CALL mpp_min( glob_min_3d_a, 2 ) ! END FUNCTION glob_min_3d_a ! --- MAX --- FUNCTION glob_max_2d( ptab ) !!----------------------------------------------------------------------- !! *** FUNCTION glob_max_2D *** !! !! ** Purpose : perform a masked max on the inner global domain of a 2D array !!----------------------------------------------------------------------- REAL(wp), INTENT(in), DIMENSION(:,:) :: ptab ! input 2D array REAL(wp) :: glob_max_2d ! global masked max !!----------------------------------------------------------------------- ! glob_max_2d = MAXVAL( ptab(:,:)*tmask_i(:,:) ) IF( lk_mpp ) CALL mpp_max( glob_max_2d ) ! END FUNCTION glob_max_2d FUNCTION glob_max_3d( ptab ) !!----------------------------------------------------------------------- !! *** FUNCTION glob_max_3D *** !! !! ** Purpose : perform a masked max on the inner global domain of a 3D array !!----------------------------------------------------------------------- REAL(wp), INTENT(in), DIMENSION(:,:,:) :: ptab ! input 3D array REAL(wp) :: glob_max_3d ! global masked max !! INTEGER :: jk INTEGER :: ijpk ! local variable: size of the 3d dimension of ptab !!----------------------------------------------------------------------- ! ijpk = SIZE(ptab,3) ! glob_max_3d = MAXVAL( ptab(:,:,1)*tmask_i(:,:) ) DO jk = 2, ijpk glob_max_3d = MAX( glob_max_3d, MAXVAL( ptab(:,:,jk)*tmask_i(:,:) ) ) END DO IF( lk_mpp ) CALL mpp_max( glob_max_3d ) ! END FUNCTION glob_max_3d FUNCTION glob_max_2d_a( ptab1, ptab2 ) !!----------------------------------------------------------------------- !! *** FUNCTION glob_max_2D _a *** !! !! ** Purpose : perform a masked max on the inner global domain of two 2D array !!----------------------------------------------------------------------- REAL(wp), INTENT(in), DIMENSION(:,:) :: ptab1, ptab2 ! input 2D array REAL(wp) , DIMENSION(2) :: glob_max_2d_a ! global masked max !!----------------------------------------------------------------------- ! glob_max_2d_a(1) = MAXVAL( ptab1(:,:)*tmask_i(:,:) ) glob_max_2d_a(2) = MAXVAL( ptab2(:,:)*tmask_i(:,:) ) IF( lk_mpp ) CALL mpp_max( glob_max_2d_a, 2 ) ! END FUNCTION glob_max_2d_a FUNCTION glob_max_3d_a( ptab1, ptab2 ) !!----------------------------------------------------------------------- !! *** FUNCTION glob_max_3D_a *** !! !! ** Purpose : perform a masked max on the inner global domain of two 3D array !!----------------------------------------------------------------------- REAL(wp), INTENT(in), DIMENSION(:,:,:) :: ptab1, ptab2 ! input 3D array REAL(wp) , DIMENSION(2) :: glob_max_3d_a ! global masked max !! INTEGER :: jk INTEGER :: ijpk ! local variable: size of the 3d dimension of ptab !!----------------------------------------------------------------------- ! ijpk = SIZE(ptab1,3) ! glob_max_3d_a(1) = MAXVAL( ptab1(:,:,1)*tmask_i(:,:) ) glob_max_3d_a(2) = MAXVAL( ptab2(:,:,1)*tmask_i(:,:) ) DO jk = 2, ijpk glob_max_3d_a(1) = MAX( glob_max_3d_a(1), MAXVAL( ptab1(:,:,jk)*tmask_i(:,:) ) ) glob_max_3d_a(2) = MAX( glob_max_3d_a(2), MAXVAL( ptab2(:,:,jk)*tmask_i(:,:) ) ) END DO IF( lk_mpp ) CALL mpp_max( glob_max_3d_a, 2 ) ! END FUNCTION glob_max_3d_a SUBROUTINE DDPDD( ydda, yddb ) !!---------------------------------------------------------------------- !! *** ROUTINE DDPDD *** !! !! ** Purpose : Add a scalar element to a sum !! !! !! ** Method : The code uses the compensated summation with doublet !! (sum,error) emulated useing complex numbers. ydda is the !! scalar to add to the summ yddb !! !! ** Action : This does only work for MPI. !! !! References : Using Acurate Arithmetics to Improve Numerical !! Reproducibility and Sability in Parallel Applications !! Yun HE and Chris H. Q. DING, Journal of Supercomputing 18, 259-277, 2001 !!---------------------------------------------------------------------- COMPLEX(wp), INTENT(in ) :: ydda COMPLEX(wp), INTENT(inout) :: yddb ! REAL(wp) :: zerr, zt1, zt2 ! local work variables !!----------------------------------------------------------------------- ! ! Compute ydda + yddb using Knuth's trick. zt1 = REAL(ydda) + REAL(yddb) zerr = zt1 - REAL(ydda) zt2 = ( (REAL(yddb) - zerr) + (REAL(ydda) - (zt1 - zerr)) ) & & + AIMAG(ydda) + AIMAG(yddb) ! ! The result is t1 + t2, after normalization. yddb = CMPLX( zt1 + zt2, zt2 - ((zt1 + zt2) - zt1), wp ) ! END SUBROUTINE DDPDD #if defined key_nosignedzero !!---------------------------------------------------------------------- !! 'key_nosignedzero' F90 SIGN !!---------------------------------------------------------------------- FUNCTION SIGN_SCALAR( pa, pb ) !!----------------------------------------------------------------------- !! *** FUNCTION SIGN_SCALAR *** !! !! ** Purpose : overwrite f95 behaviour of intrinsinc sign function !!----------------------------------------------------------------------- REAL(wp) :: pa,pb ! input REAL(wp) :: SIGN_SCALAR ! result !!----------------------------------------------------------------------- IF ( pb >= 0.e0) THEN ; SIGN_SCALAR = ABS(pa) ELSE ; SIGN_SCALAR =-ABS(pa) ENDIF END FUNCTION SIGN_SCALAR FUNCTION SIGN_ARRAY_1D( pa, pb ) !!----------------------------------------------------------------------- !! *** FUNCTION SIGN_ARRAY_1D *** !! !! ** Purpose : overwrite f95 behaviour of intrinsinc sign function !!----------------------------------------------------------------------- REAL(wp) :: pa,pb(:) ! input REAL(wp) :: SIGN_ARRAY_1D(SIZE(pb,1)) ! result !!----------------------------------------------------------------------- WHERE ( pb >= 0.e0 ) ; SIGN_ARRAY_1D = ABS(pa) ELSEWHERE ; SIGN_ARRAY_1D =-ABS(pa) END WHERE END FUNCTION SIGN_ARRAY_1D FUNCTION SIGN_ARRAY_2D(pa,pb) !!----------------------------------------------------------------------- !! *** FUNCTION SIGN_ARRAY_2D *** !! !! ** Purpose : overwrite f95 behaviour of intrinsinc sign function !!----------------------------------------------------------------------- REAL(wp) :: pa,pb(:,:) ! input REAL(wp) :: SIGN_ARRAY_2D(SIZE(pb,1),SIZE(pb,2)) ! result !!----------------------------------------------------------------------- WHERE ( pb >= 0.e0 ) ; SIGN_ARRAY_2D = ABS(pa) ELSEWHERE ; SIGN_ARRAY_2D =-ABS(pa) END WHERE END FUNCTION SIGN_ARRAY_2D FUNCTION SIGN_ARRAY_3D(pa,pb) !!----------------------------------------------------------------------- !! *** FUNCTION SIGN_ARRAY_3D *** !! !! ** Purpose : overwrite f95 behaviour of intrinsinc sign function !!----------------------------------------------------------------------- REAL(wp) :: pa,pb(:,:,:) ! input REAL(wp) :: SIGN_ARRAY_3D(SIZE(pb,1),SIZE(pb,2),SIZE(pb,3)) ! result !!----------------------------------------------------------------------- WHERE ( pb >= 0.e0 ) ; SIGN_ARRAY_3D = ABS(pa) ELSEWHERE ; SIGN_ARRAY_3D =-ABS(pa) END WHERE END FUNCTION SIGN_ARRAY_3D FUNCTION SIGN_ARRAY_1D_A(pa,pb) !!----------------------------------------------------------------------- !! *** FUNCTION SIGN_ARRAY_1D_A *** !! !! ** Purpose : overwrite f95 behaviour of intrinsinc sign function !!----------------------------------------------------------------------- REAL(wp) :: pa(:),pb(:) ! input REAL(wp) :: SIGN_ARRAY_1D_A(SIZE(pb,1)) ! result !!----------------------------------------------------------------------- WHERE ( pb >= 0.e0 ) ; SIGN_ARRAY_1D_A = ABS(pa) ELSEWHERE ; SIGN_ARRAY_1D_A =-ABS(pa) END WHERE END FUNCTION SIGN_ARRAY_1D_A FUNCTION SIGN_ARRAY_2D_A(pa,pb) !!----------------------------------------------------------------------- !! *** FUNCTION SIGN_ARRAY_2D_A *** !! !! ** Purpose : overwrite f95 behaviour of intrinsinc sign function !!----------------------------------------------------------------------- REAL(wp) :: pa(:,:),pb(:,:) ! input REAL(wp) :: SIGN_ARRAY_2D_A(SIZE(pb,1),SIZE(pb,2)) ! result !!----------------------------------------------------------------------- WHERE ( pb >= 0.e0 ) ; SIGN_ARRAY_2D_A = ABS(pa) ELSEWHERE ; SIGN_ARRAY_2D_A =-ABS(pa) END WHERE END FUNCTION SIGN_ARRAY_2D_A FUNCTION SIGN_ARRAY_3D_A(pa,pb) !!----------------------------------------------------------------------- !! *** FUNCTION SIGN_ARRAY_3D_A *** !! !! ** Purpose : overwrite f95 behaviour of intrinsinc sign function !!----------------------------------------------------------------------- REAL(wp) :: pa(:,:,:),pb(:,:,:) ! input REAL(wp) :: SIGN_ARRAY_3D_A(SIZE(pb,1),SIZE(pb,2),SIZE(pb,3)) ! result !!----------------------------------------------------------------------- WHERE ( pb >= 0.e0 ) ; SIGN_ARRAY_3D_A = ABS(pa) ELSEWHERE ; SIGN_ARRAY_3D_A =-ABS(pa) END WHERE END FUNCTION SIGN_ARRAY_3D_A FUNCTION SIGN_ARRAY_1D_B(pa,pb) !!----------------------------------------------------------------------- !! *** FUNCTION SIGN_ARRAY_1D_B *** !! !! ** Purpose : overwrite f95 behaviour of intrinsinc sign function !!----------------------------------------------------------------------- REAL(wp) :: pa(:),pb ! input REAL(wp) :: SIGN_ARRAY_1D_B(SIZE(pa,1)) ! result !!----------------------------------------------------------------------- IF( pb >= 0.e0 ) THEN ; SIGN_ARRAY_1D_B = ABS(pa) ELSE ; SIGN_ARRAY_1D_B =-ABS(pa) ENDIF END FUNCTION SIGN_ARRAY_1D_B FUNCTION SIGN_ARRAY_2D_B(pa,pb) !!----------------------------------------------------------------------- !! *** FUNCTION SIGN_ARRAY_2D_B *** !! !! ** Purpose : overwrite f95 behaviour of intrinsinc sign function !!----------------------------------------------------------------------- REAL(wp) :: pa(:,:),pb ! input REAL(wp) :: SIGN_ARRAY_2D_B(SIZE(pa,1),SIZE(pa,2)) ! result !!----------------------------------------------------------------------- IF( pb >= 0.e0 ) THEN ; SIGN_ARRAY_2D_B = ABS(pa) ELSE ; SIGN_ARRAY_2D_B =-ABS(pa) ENDIF END FUNCTION SIGN_ARRAY_2D_B FUNCTION SIGN_ARRAY_3D_B(pa,pb) !!----------------------------------------------------------------------- !! *** FUNCTION SIGN_ARRAY_3D_B *** !! !! ** Purpose : overwrite f95 behaviour of intrinsinc sign function !!----------------------------------------------------------------------- REAL(wp) :: pa(:,:,:),pb ! input REAL(wp) :: SIGN_ARRAY_3D_B(SIZE(pa,1),SIZE(pa,2),SIZE(pa,3)) ! result !!----------------------------------------------------------------------- IF( pb >= 0.e0 ) THEN ; SIGN_ARRAY_3D_B = ABS(pa) ELSE ; SIGN_ARRAY_3D_B =-ABS(pa) ENDIF END FUNCTION SIGN_ARRAY_3D_B #endif !!====================================================================== END MODULE lib_fortran