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½«Ò»×é16*32*64µÄÈýάÊý×éÓÃfortran³ÌÐò½øÐиµÁ¢Ò¶±ä»»£¬Ö÷³ÌÐò¸ÃÈçºÎ±àд£¿ ÏÂÃæÊǸµÁ¢Ò¶±ä»»Ô´³ÌÐò£¬¿ÉϧÎÒ²»»áÓà £¬ÁíÍ⸽ÉÏ×Ô¼ºµÄ³ÌÐò£¬Çë¸÷λ´óÏÀ¶à¶àÖ¸½Ì£¡SUBROUTINE rlft3(data,speq,nn1,nn2,nn3,isign) INTEGER isign,nn1,nn2,nn3 COMPLEX data(nn1/2,nn2,nn3),speq(nn2,nn3) INTEGER i1,i2,i3,j1,j2,j3,nn(3) DOUBLE PRECISION theta,wi,wpi,wpr,wr,wtemp COMPLEX c1,c2,h1,h2,w c1=cmplx(0.5,0.0) c2=cmplx(0.0,-0.5*isign) theta=6.28318530717959d0/dble(isign*nn1) wpr=-2.0d0*sin(0.5d0*theta)**2 wpi=sin(theta) nn(1)=nn1/2 nn(2)=nn2 nn(3)=nn3 if(isign.eq.1)THEN call fourn(data,nn,3,isign) do i3=1,nn3 do i2=1,nn2 speq(i2,i3)=data(1,i2,i3) end do end do endif do i3=1,nn3 j3=1 if (i3.ne.1) j3=nn3-i3+2 wr=1.0d0 wi=0.0d0 do i1=1,nn1/4+1 j1=nn1/2-i1+2 do i2=1,nn2 j2=1 if (i2.ne.1) j2=nn2-i2+2 if(i1.eq.1)then h1=c1*(data(1,i2,i3)+conjg(speq(j2,j3))) h2=c2*(data(1,i2,i3)-conjg(speq(j2,j3))) data(1,i2,i3)=h1+h2 speq(j2,j3)=conjg(h1-h2) else h1=c1*(data(i1,i2,i3)+conjg(data(j1,j2,j3))) h2=c2*(data(i1,i2,i3)-conjg(data(j1,j2,j3))) data(i1,i2,i3)=h1+w*h2 data(j1,j2,j3)=conjg(h1-w*h2) endif end do wtemp=wr wr=wr*wpr-wi*wpi+wr wi=wi*wpr+wtemp*wpi+wi w=cmplx(sngl(wr),sngl(wi)) end do end do if(isign.eq.-1)then call fourn(data,nn,3,isign) endif return END |
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baobiao007
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2Â¥2014-03-12 17:53:47
panjunxing
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3Â¥2014-03-13 09:10:20
cooooldog
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4Â¥2014-03-13 09:37:25
cooooldog
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5Â¥2014-03-13 09:38:36
lixinwen000
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6Â¥2014-03-25 15:42:19














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