| 1 | SUBROUTINE HISTOSIGMA2D(N,X,Y,Z,NXBINS,NYBINS,XLIM,YLIM,DX,DY, |
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| 2 | 1 NST,HST,AMAT,QMAT) |
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| 3 | |
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| 4 | Cf2py intent(in) n |
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| 5 | Cf2py intent(in) x |
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| 6 | Cf2py depend(n) x |
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| 7 | Cf2py intent(in) y |
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| 8 | Cf2py depend(n) y |
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| 9 | Cf2py intent(in) z |
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| 10 | Cf2py depend(n) z |
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| 11 | Cf2py intent(in) nxbins |
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| 12 | Cf2py intent(in) nybins |
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| 13 | Cf2py intent(in) xlim |
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| 14 | Cf2py intent(in) ylim |
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| 15 | Cf2py intent(in) dx |
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| 16 | Cf2py intent(in) dy |
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| 17 | Cf2py intent(in,out) nst |
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| 18 | Cf2py depend(nxbins,nybins) nst |
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| 19 | Cf2py intent(in,out) hst |
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| 20 | Cf2py depend(nxbins,nybins) hst |
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| 21 | Cf2py intent(in,out) amat |
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| 22 | Cf2py depend(nxbins,nybins) amat |
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| 23 | Cf2py intent(in,out) qmat |
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| 24 | Cf2py depend(nxbins,nybins) qmat |
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| 25 | |
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| 26 | IMPLICIT NONE |
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| 27 | INTEGER*8 N |
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| 28 | REAL*4 X(0:N-1),Y(0:N-1),Z(0:N-1) |
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| 29 | INTEGER*8 NXBINS,NYBINS |
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| 30 | REAL*8 XLIM(0:1),YLIM(0:1) |
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| 31 | REAL*4 NST(0:NXBINS-1,0:NYBINS-1) |
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| 32 | REAL*4 HST(0:NXBINS-1,0:NYBINS-1) |
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| 33 | REAL*4 AMAT(0:NXBINS-1,0:NYBINS-1) |
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| 34 | REAL*4 QMAT(0:NXBINS-1,0:NYBINS-1) |
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| 35 | |
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| 36 | INTEGER*4 I,J,K |
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| 37 | REAL*8 DX,DY |
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| 38 | REAL*4 DDX,DDY,AOLD |
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| 39 | DO K=0,N-1 |
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| 40 | IF ( ( X(K).GE.XLIM(0) .AND. X(K).LT.XLIM(1) ) .AND. |
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| 41 | 1 ( Y(K).GE.YLIM(0) .AND. Y(K).LT.YLIM(1) )) THEN |
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| 42 | DDX = (X(K)-XLIM(0))/DX |
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| 43 | I = INT(DDX) |
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| 44 | DDY = (Y(K)-YLIM(0))/DY |
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| 45 | J = INT(DDY) |
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| 46 | NST(I,J) = NST(I,J)+1.0 |
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| 47 | HST(I,J) = HST(I,J)+Z(K) |
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| 48 | AOLD = AMAT(I,J) |
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| 49 | AMAT(I,J) = AOLD+(Z(K)-AOLD)/NST(I,J) |
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| 50 | QMAT(I,J) = QMAT(I,J)+(Z(K)-AOLD)*(Z(K)-AMAT(I,J)) |
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| 51 | END IF |
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| 52 | END DO |
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| 53 | RETURN |
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| 54 | END |
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