mirror of https://github.com/saitohirga/WSJT-X.git
Compiles on OPTI-745 under Win7.
New fftw library, compiled under Win7: used the file "go" in Msys directory /home/joe/fftw-3.2.2 git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/map65@1757 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
This commit is contained in:
Joe Taylor
parent
fcdfe2ac58
commit
fb48956e56
207
four2a.f
207
four2a.f
|
|
@ -1,96 +1,111 @@
|
|||
subroutine four2a(a,nfft,ndim,isign,iform)
|
||||
|
||||
C IFORM = 1, 0 or -1, as data is
|
||||
C complex, real, or the first half of a complex array. Transform
|
||||
C values are returned in array DATA. They are complex, real, or
|
||||
C the first half of a complex array, as IFORM = 1, -1 or 0.
|
||||
|
||||
C The transform of a real array (IFORM = 0) dimensioned N(1) by N(2)
|
||||
C by ... will be returned in the same array, now considered to
|
||||
C be complex of dimensions N(1)/2+1 by N(2) by .... Note that if
|
||||
C IFORM = 0 or -1, N(1) must be even, and enough room must be
|
||||
C reserved. The missing values may be obtained by complex conjuga-
|
||||
C tion.
|
||||
|
||||
C The reverse transformation of a half complex array dimensioned
|
||||
C N(1)/2+1 by N(2) by ..., is accomplished by setting IFORM
|
||||
C to -1. In the N array, N(1) must be the true N(1), not N(1)/2+1.
|
||||
C The transform will be real and returned to the input array.
|
||||
|
||||
parameter (NPMAX=100)
|
||||
parameter (NSMALL=16384)
|
||||
complex a(nfft)
|
||||
complex aa(NSMALL)
|
||||
integer nn(NPMAX),ns(NPMAX),nf(NPMAX),nl(NPMAX)
|
||||
real*8 plan(NPMAX) !Actually should be i*8, but no matter
|
||||
data nplan/0/
|
||||
include 'fftw3.f'
|
||||
save plan,nplan,nn,ns,nf,nl
|
||||
|
||||
if(nfft.lt.0) go to 999
|
||||
|
||||
nloc=loc(a)
|
||||
do i=1,nplan
|
||||
if(nfft.eq.nn(i) .and. isign.eq.ns(i) .and.
|
||||
+ iform.eq.nf(i) .and. nloc.eq.nl(i)) go to 10
|
||||
enddo
|
||||
if(nplan.ge.NPMAX) stop 'Too many FFTW plans requested.'
|
||||
nplan=nplan+1
|
||||
i=nplan
|
||||
nn(i)=nfft
|
||||
ns(i)=isign
|
||||
nf(i)=iform
|
||||
nl(i)=nloc
|
||||
|
||||
C Planning: FFTW_ESTIMATE, FFTW_ESTIMATE_PATIENT, FFTW_MEASURE,
|
||||
C FFTW_PATIENT, FFTW_EXHAUSTIVE
|
||||
C NB: "EXHAUSTIVE" takes more or less forever, for long transforms.
|
||||
npatience=1
|
||||
nflags=FFTW_ESTIMATE
|
||||
if(npatience.eq.1) nflags=FFTW_ESTIMATE_PATIENT
|
||||
if(npatience.eq.2) nflags=FFTW_MEASURE
|
||||
if(npatience.eq.3) nflags=FFTW_PATIENT
|
||||
if(npatience.eq.4) nflags=FFTW_EXHAUSTIVE
|
||||
if(nfft.le.NSMALL) then
|
||||
jz=nfft
|
||||
if(iform.eq.0) jz=nfft/2
|
||||
do j=1,jz
|
||||
aa(j)=a(j)
|
||||
enddo
|
||||
endif
|
||||
call sleep_msec(0)
|
||||
if(isign.eq.-1 .and. iform.eq.1) then
|
||||
call sfftw_plan_dft_1d_(plan(i),nfft,a,a,
|
||||
+ FFTW_FORWARD,nflags)
|
||||
else if(isign.eq.1 .and. iform.eq.1) then
|
||||
call sfftw_plan_dft_1d_(plan(i),nfft,a,a,
|
||||
+ FFTW_BACKWARD,nflags)
|
||||
else if(isign.eq.-1 .and. iform.eq.0) then
|
||||
call sfftw_plan_dft_r2c_1d_(plan(i),nfft,a,a,nflags)
|
||||
else if(isign.eq.1 .and. iform.eq.-1) then
|
||||
call sfftw_plan_dft_c2r_1d_(plan(i),nfft,a,a,nflags)
|
||||
else
|
||||
stop 'Unsupported request in four2a'
|
||||
endif
|
||||
call sleep_msec(0)
|
||||
i=nplan
|
||||
if(nfft.le.NSMALL) then
|
||||
jz=nfft
|
||||
if(iform.eq.0) jz=nfft/2
|
||||
do j=1,jz
|
||||
a(j)=aa(j)
|
||||
enddo
|
||||
endif
|
||||
|
||||
10 continue
|
||||
call sleep_msec(0)
|
||||
call sfftw_execute_(plan(i))
|
||||
call sleep_msec(0)
|
||||
return
|
||||
|
||||
999 do i=1,nplan
|
||||
call sfftw_destroy_plan_(plan(i))
|
||||
enddo
|
||||
|
||||
return
|
||||
end
|
||||
subroutine four2a(a,nfft,ndim,isign,iform)
|
||||
|
||||
C IFORM = 1, 0 or -1, as data is
|
||||
C complex, real, or the first half of a complex array. Transform
|
||||
C values are returned in array DATA. They are complex, real, or
|
||||
C the first half of a complex array, as IFORM = 1, -1 or 0.
|
||||
|
||||
C The transform of a real array (IFORM = 0) dimensioned N(1) by N(2)
|
||||
C by ... will be returned in the same array, now considered to
|
||||
C be complex of dimensions N(1)/2+1 by N(2) by .... Note that if
|
||||
C IFORM = 0 or -1, N(1) must be even, and enough room must be
|
||||
C reserved. The missing values may be obtained by complex conjuga-
|
||||
C tion.
|
||||
|
||||
C The reverse transformation of a half complex array dimensioned
|
||||
C N(1)/2+1 by N(2) by ..., is accomplished by setting IFORM
|
||||
C to -1. In the N array, N(1) must be the true N(1), not N(1)/2+1.
|
||||
C The transform will be real and returned to the input array.
|
||||
|
||||
parameter (NPMAX=100)
|
||||
parameter (NSMALL=16384)
|
||||
complex a(nfft)
|
||||
complex aa(NSMALL)
|
||||
integer nn(NPMAX),ns(NPMAX),nf(NPMAX),nl(NPMAX)
|
||||
real*8 plan(NPMAX) !Actually should be i*8, but no matter
|
||||
data nplan/0/
|
||||
include 'fftw3.f'
|
||||
save plan,nplan,nn,ns,nf,nl
|
||||
|
||||
if(nfft.lt.0 .or. ndim.lt.0) go to 999
|
||||
|
||||
nloc=loc(a)
|
||||
do i=1,nplan
|
||||
if(nfft.eq.nn(i) .and. isign.eq.ns(i) .and.
|
||||
+ iform.eq.nf(i) .and. nloc.eq.nl(i)) go to 10
|
||||
enddo
|
||||
if(nplan.ge.NPMAX) stop 'Too many FFTW plans requested.'
|
||||
nplan=nplan+1
|
||||
i=nplan
|
||||
nn(i)=nfft
|
||||
ns(i)=isign
|
||||
nf(i)=iform
|
||||
nl(i)=nloc
|
||||
|
||||
C Planning: FFTW_ESTIMATE, FFTW_ESTIMATE_PATIENT, FFTW_MEASURE,
|
||||
C FFTW_PATIENT, FFTW_EXHAUSTIVE
|
||||
npatience=1
|
||||
nflags=FFTW_ESTIMATE
|
||||
if(npatience.eq.1) nflags=FFTW_ESTIMATE_PATIENT
|
||||
if(npatience.eq.2) nflags=FFTW_MEASURE
|
||||
if(npatience.eq.3) nflags=FFTW_PATIENT
|
||||
if(npatience.eq.4) nflags=FFTW_EXHAUSTIVE
|
||||
if(nfft.le.NSMALL) then
|
||||
jz=nfft
|
||||
if(iform.eq.0) jz=nfft/2
|
||||
do j=1,jz
|
||||
aa(j)=a(j)
|
||||
enddo
|
||||
endif
|
||||
call sleep_msec(0)
|
||||
if(isign.eq.-1 .and. iform.eq.1) then
|
||||
#ifdef CVF
|
||||
call sfftw_plan_dft_1d_(plan(i),nfft,a,a,FFTW_FORWARD,nflags)
|
||||
else if(isign.eq.1 .and. iform.eq.1) then
|
||||
call sfftw_plan_dft_1d_(plan(i),nfft,a,a,FFTW_BACKWARD,nflags)
|
||||
else if(isign.eq.-1 .and. iform.eq.0) then
|
||||
call sfftw_plan_dft_r2c_1d_(plan(i),nfft,a,a,nflags)
|
||||
else if(isign.eq.1 .and. iform.eq.-1) then
|
||||
call sfftw_plan_dft_c2r_1d_(plan(i),nfft,a,a,nflags)
|
||||
#else
|
||||
call sfftw_plan_dft_1d(plan(i),nfft,a,a,FFTW_FORWARD,nflags)
|
||||
else if(isign.eq.1 .and. iform.eq.1) then
|
||||
call sfftw_plan_dft_1d(plan(i),nfft,a,a,FFTW_BACKWARD,nflags)
|
||||
else if(isign.eq.-1 .and. iform.eq.0) then
|
||||
call sfftw_plan_dft_r2c_1d(plan(i),nfft,a,a,nflags)
|
||||
else if(isign.eq.1 .and. iform.eq.-1) then
|
||||
call sfftw_plan_dft_c2r_1d(plan(i),nfft,a,a,nflags)
|
||||
#endif
|
||||
else
|
||||
stop 'Unsupported request in four2a'
|
||||
endif
|
||||
call sleep_msec(0)
|
||||
i=nplan
|
||||
if(nfft.le.NSMALL) then
|
||||
jz=nfft
|
||||
if(iform.eq.0) jz=nfft/2
|
||||
do j=1,jz
|
||||
a(j)=aa(j)
|
||||
enddo
|
||||
endif
|
||||
|
||||
10 continue
|
||||
call sleep_msec(0)
|
||||
#ifdef CVF
|
||||
call sfftw_execute_(plan(i))
|
||||
#else
|
||||
call sfftw_execute(plan(i))
|
||||
#endif
|
||||
call sleep_msec(0)
|
||||
return
|
||||
|
||||
999 do i=1,nplan
|
||||
#ifdef CVF
|
||||
call sfftw_destroy_plan_(plan(i))
|
||||
#else
|
||||
call sfftw_destroy_plan(plan(i))
|
||||
#endif
|
||||
enddo
|
||||
|
||||
return
|
||||
end
|
||||
|
|
|
|||
Binary file not shown.
Loading…
Reference in New Issue