Mac binaries

[jabaws.git] / website / archive / binaries / mac / src / disembl / Tisean_3.0.1 / source_f / slatec / radb5.f

diff --git a/website/archive/binaries/mac/src/disembl/Tisean_3.0.1/source_f/slatec/radb5.f b/website/archive/binaries/mac/src/disembl/Tisean_3.0.1/source_f/slatec/radb5.f
new file mode 100644 (file)
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+*DECK RADB5
+      SUBROUTINE RADB5 (IDO, L1, CC, CH, WA1, WA2, WA3, WA4)
+C***BEGIN PROLOGUE  RADB5
+C***SUBSIDIARY
+C***PURPOSE  Calculate the fast Fourier transform of subvectors of
+C            length five.
+C***LIBRARY   SLATEC (FFTPACK)
+C***TYPE      SINGLE PRECISION (RADB5-S)
+C***AUTHOR  Swarztrauber, P. N., (NCAR)
+C***ROUTINES CALLED  (NONE)
+C***REVISION HISTORY  (YYMMDD)
+C   790601  DATE WRITTEN
+C   830401  Modified to use SLATEC library source file format.
+C   860115  Modified by Ron Boisvert to adhere to Fortran 77 by
+C           (a) changing dummy array size declarations (1) to (*),
+C           (b) changing definition of variables PI, TI11, TI12,
+C               TR11, TR12 by using FORTRAN intrinsic functions ATAN
+C               and SIN instead of DATA statements.
+C   881128  Modified by Dick Valent to meet prologue standards.
+C   890831  Modified array declarations.  (WRB)
+C   891214  Prologue converted to Version 4.0 format.  (BAB)
+C   900402  Added TYPE section.  (WRB)
+C***END PROLOGUE  RADB5
+      DIMENSION CC(IDO,5,*), CH(IDO,L1,5), WA1(*), WA2(*), WA3(*),
+     +          WA4(*)
+C***FIRST EXECUTABLE STATEMENT  RADB5
+      PI = 4.*ATAN(1.)
+      TR11 = SIN(.1*PI)
+      TI11 = SIN(.4*PI)
+      TR12 = -SIN(.3*PI)
+      TI12 = SIN(.2*PI)
+      DO 101 K=1,L1
+         TI5 = CC(1,3,K)+CC(1,3,K)
+         TI4 = CC(1,5,K)+CC(1,5,K)
+         TR2 = CC(IDO,2,K)+CC(IDO,2,K)
+         TR3 = CC(IDO,4,K)+CC(IDO,4,K)
+         CH(1,K,1) = CC(1,1,K)+TR2+TR3
+         CR2 = CC(1,1,K)+TR11*TR2+TR12*TR3
+         CR3 = CC(1,1,K)+TR12*TR2+TR11*TR3
+         CI5 = TI11*TI5+TI12*TI4
+         CI4 = TI12*TI5-TI11*TI4
+         CH(1,K,2) = CR2-CI5
+         CH(1,K,3) = CR3-CI4
+         CH(1,K,4) = CR3+CI4
+         CH(1,K,5) = CR2+CI5
+  101 CONTINUE
+      IF (IDO .EQ. 1) RETURN
+      IDP2 = IDO+2
+      IF((IDO-1)/2.LT.L1) GO TO 104
+      DO 103 K=1,L1
+CDIR$ IVDEP
+         DO 102 I=3,IDO,2
+            IC = IDP2-I
+            TI5 = CC(I,3,K)+CC(IC,2,K)
+            TI2 = CC(I,3,K)-CC(IC,2,K)
+            TI4 = CC(I,5,K)+CC(IC,4,K)
+            TI3 = CC(I,5,K)-CC(IC,4,K)
+            TR5 = CC(I-1,3,K)-CC(IC-1,2,K)
+            TR2 = CC(I-1,3,K)+CC(IC-1,2,K)
+            TR4 = CC(I-1,5,K)-CC(IC-1,4,K)
+            TR3 = CC(I-1,5,K)+CC(IC-1,4,K)
+            CH(I-1,K,1) = CC(I-1,1,K)+TR2+TR3
+            CH(I,K,1) = CC(I,1,K)+TI2+TI3
+            CR2 = CC(I-1,1,K)+TR11*TR2+TR12*TR3
+            CI2 = CC(I,1,K)+TR11*TI2+TR12*TI3
+            CR3 = CC(I-1,1,K)+TR12*TR2+TR11*TR3
+            CI3 = CC(I,1,K)+TR12*TI2+TR11*TI3
+            CR5 = TI11*TR5+TI12*TR4
+            CI5 = TI11*TI5+TI12*TI4
+            CR4 = TI12*TR5-TI11*TR4
+            CI4 = TI12*TI5-TI11*TI4
+            DR3 = CR3-CI4
+            DR4 = CR3+CI4
+            DI3 = CI3+CR4
+            DI4 = CI3-CR4
+            DR5 = CR2+CI5
+            DR2 = CR2-CI5
+            DI5 = CI2-CR5
+            DI2 = CI2+CR5
+            CH(I-1,K,2) = WA1(I-2)*DR2-WA1(I-1)*DI2
+            CH(I,K,2) = WA1(I-2)*DI2+WA1(I-1)*DR2
+            CH(I-1,K,3) = WA2(I-2)*DR3-WA2(I-1)*DI3
+            CH(I,K,3) = WA2(I-2)*DI3+WA2(I-1)*DR3
+            CH(I-1,K,4) = WA3(I-2)*DR4-WA3(I-1)*DI4
+            CH(I,K,4) = WA3(I-2)*DI4+WA3(I-1)*DR4
+            CH(I-1,K,5) = WA4(I-2)*DR5-WA4(I-1)*DI5
+            CH(I,K,5) = WA4(I-2)*DI5+WA4(I-1)*DR5
+  102    CONTINUE
+  103 CONTINUE
+      RETURN
+  104 DO 106 I=3,IDO,2
+         IC = IDP2-I
+CDIR$ IVDEP
+         DO 105 K=1,L1
+            TI5 = CC(I,3,K)+CC(IC,2,K)
+            TI2 = CC(I,3,K)-CC(IC,2,K)
+            TI4 = CC(I,5,K)+CC(IC,4,K)
+            TI3 = CC(I,5,K)-CC(IC,4,K)
+            TR5 = CC(I-1,3,K)-CC(IC-1,2,K)
+            TR2 = CC(I-1,3,K)+CC(IC-1,2,K)
+            TR4 = CC(I-1,5,K)-CC(IC-1,4,K)
+            TR3 = CC(I-1,5,K)+CC(IC-1,4,K)
+            CH(I-1,K,1) = CC(I-1,1,K)+TR2+TR3
+            CH(I,K,1) = CC(I,1,K)+TI2+TI3
+            CR2 = CC(I-1,1,K)+TR11*TR2+TR12*TR3
+            CI2 = CC(I,1,K)+TR11*TI2+TR12*TI3
+            CR3 = CC(I-1,1,K)+TR12*TR2+TR11*TR3
+            CI3 = CC(I,1,K)+TR12*TI2+TR11*TI3
+            CR5 = TI11*TR5+TI12*TR4
+            CI5 = TI11*TI5+TI12*TI4
+            CR4 = TI12*TR5-TI11*TR4
+            CI4 = TI12*TI5-TI11*TI4
+            DR3 = CR3-CI4
+            DR4 = CR3+CI4
+            DI3 = CI3+CR4
+            DI4 = CI3-CR4
+            DR5 = CR2+CI5
+            DR2 = CR2-CI5
+            DI5 = CI2-CR5
+            DI2 = CI2+CR5
+            CH(I-1,K,2) = WA1(I-2)*DR2-WA1(I-1)*DI2
+            CH(I,K,2) = WA1(I-2)*DI2+WA1(I-1)*DR2
+            CH(I-1,K,3) = WA2(I-2)*DR3-WA2(I-1)*DI3
+            CH(I,K,3) = WA2(I-2)*DI3+WA2(I-1)*DR3
+            CH(I-1,K,4) = WA3(I-2)*DR4-WA3(I-1)*DI4
+            CH(I,K,4) = WA3(I-2)*DI4+WA3(I-1)*DR4
+            CH(I-1,K,5) = WA4(I-2)*DR5-WA4(I-1)*DI5
+            CH(I,K,5) = WA4(I-2)*DI5+WA4(I-1)*DR5
+  105    CONTINUE
+  106 CONTINUE
+      RETURN
+      END