diff --git a/BLAS/SRC/ctbsv.f b/BLAS/SRC/ctbsv.f index c997997b8..309bef7d5 100644 --- a/BLAS/SRC/ctbsv.f +++ b/BLAS/SRC/ctbsv.f @@ -201,10 +201,6 @@ * .. * * ===================================================================== -* -* .. Parameters .. - COMPLEX ZERO - PARAMETER (ZERO= (0.0E+0,0.0E+0)) * .. * .. Local Scalars .. COMPLEX TEMP @@ -275,59 +271,51 @@ KPLUS1 = K + 1 IF (INCX.EQ.1) THEN DO 20 J = N,1,-1 - IF (X(J).NE.ZERO) THEN - L = KPLUS1 - J - IF (NOUNIT) X(J) = X(J)/A(KPLUS1,J) - TEMP = X(J) - DO 10 I = J - 1,MAX(1,J-K),-1 - X(I) = X(I) - TEMP*A(L+I,J) - 10 CONTINUE - END IF + L = KPLUS1 - J + IF (NOUNIT) X(J) = X(J)/A(KPLUS1,J) + TEMP = X(J) + DO 10 I = J - 1,MAX(1,J-K),-1 + X(I) = X(I) - TEMP*A(L+I,J) + 10 CONTINUE 20 CONTINUE ELSE KX = KX + (N-1)*INCX JX = KX DO 40 J = N,1,-1 KX = KX - INCX - IF (X(JX).NE.ZERO) THEN - IX = KX - L = KPLUS1 - J - IF (NOUNIT) X(JX) = X(JX)/A(KPLUS1,J) - TEMP = X(JX) - DO 30 I = J - 1,MAX(1,J-K),-1 - X(IX) = X(IX) - TEMP*A(L+I,J) - IX = IX - INCX - 30 CONTINUE - END IF + IX = KX + L = KPLUS1 - J + IF (NOUNIT) X(JX) = X(JX)/A(KPLUS1,J) + TEMP = X(JX) + DO 30 I = J - 1,MAX(1,J-K),-1 + X(IX) = X(IX) - TEMP*A(L+I,J) + IX = IX - INCX + 30 CONTINUE JX = JX - INCX 40 CONTINUE END IF ELSE IF (INCX.EQ.1) THEN DO 60 J = 1,N - IF (X(J).NE.ZERO) THEN - L = 1 - J - IF (NOUNIT) X(J) = X(J)/A(1,J) - TEMP = X(J) - DO 50 I = J + 1,MIN(N,J+K) - X(I) = X(I) - TEMP*A(L+I,J) - 50 CONTINUE - END IF + L = 1 - J + IF (NOUNIT) X(J) = X(J)/A(1,J) + TEMP = X(J) + DO 50 I = J + 1,MIN(N,J+K) + X(I) = X(I) - TEMP*A(L+I,J) + 50 CONTINUE 60 CONTINUE ELSE JX = KX DO 80 J = 1,N KX = KX + INCX - IF (X(JX).NE.ZERO) THEN - IX = KX - L = 1 - J - IF (NOUNIT) X(JX) = X(JX)/A(1,J) - TEMP = X(JX) - DO 70 I = J + 1,MIN(N,J+K) - X(IX) = X(IX) - TEMP*A(L+I,J) - IX = IX + INCX - 70 CONTINUE - END IF + IX = KX + L = 1 - J + IF (NOUNIT) X(JX) = X(JX)/A(1,J) + TEMP = X(JX) + DO 70 I = J + 1,MIN(N,J+K) + X(IX) = X(IX) - TEMP*A(L+I,J) + IX = IX + INCX + 70 CONTINUE JX = JX + INCX 80 CONTINUE END IF diff --git a/BLAS/SRC/dtbsv.f b/BLAS/SRC/dtbsv.f index a18c23582..bea7e8b3e 100644 --- a/BLAS/SRC/dtbsv.f +++ b/BLAS/SRC/dtbsv.f @@ -201,10 +201,6 @@ * .. * * ===================================================================== -* -* .. Parameters .. - DOUBLE PRECISION ZERO - PARAMETER (ZERO=0.0D+0) * .. * .. Local Scalars .. DOUBLE PRECISION TEMP @@ -274,59 +270,51 @@ KPLUS1 = K + 1 IF (INCX.EQ.1) THEN DO 20 J = N,1,-1 - IF (X(J).NE.ZERO) THEN - L = KPLUS1 - J - IF (NOUNIT) X(J) = X(J)/A(KPLUS1,J) - TEMP = X(J) - DO 10 I = J - 1,MAX(1,J-K),-1 - X(I) = X(I) - TEMP*A(L+I,J) - 10 CONTINUE - END IF + L = KPLUS1 - J + IF (NOUNIT) X(J) = X(J)/A(KPLUS1,J) + TEMP = X(J) + DO 10 I = J - 1,MAX(1,J-K),-1 + X(I) = X(I) - TEMP*A(L+I,J) + 10 CONTINUE 20 CONTINUE ELSE KX = KX + (N-1)*INCX JX = KX DO 40 J = N,1,-1 KX = KX - INCX - IF (X(JX).NE.ZERO) THEN - IX = KX - L = KPLUS1 - J - IF (NOUNIT) X(JX) = X(JX)/A(KPLUS1,J) - TEMP = X(JX) - DO 30 I = J - 1,MAX(1,J-K),-1 - X(IX) = X(IX) - TEMP*A(L+I,J) - IX = IX - INCX - 30 CONTINUE - END IF + IX = KX + L = KPLUS1 - J + IF (NOUNIT) X(JX) = X(JX)/A(KPLUS1,J) + TEMP = X(JX) + DO 30 I = J - 1,MAX(1,J-K),-1 + X(IX) = X(IX) - TEMP*A(L+I,J) + IX = IX - INCX + 30 CONTINUE JX = JX - INCX 40 CONTINUE END IF ELSE IF (INCX.EQ.1) THEN DO 60 J = 1,N - IF (X(J).NE.ZERO) THEN - L = 1 - J - IF (NOUNIT) X(J) = X(J)/A(1,J) - TEMP = X(J) - DO 50 I = J + 1,MIN(N,J+K) - X(I) = X(I) - TEMP*A(L+I,J) - 50 CONTINUE - END IF + L = 1 - J + IF (NOUNIT) X(J) = X(J)/A(1,J) + TEMP = X(J) + DO 50 I = J + 1,MIN(N,J+K) + X(I) = X(I) - TEMP*A(L+I,J) + 50 CONTINUE 60 CONTINUE ELSE JX = KX DO 80 J = 1,N KX = KX + INCX - IF (X(JX).NE.ZERO) THEN - IX = KX - L = 1 - J - IF (NOUNIT) X(JX) = X(JX)/A(1,J) - TEMP = X(JX) - DO 70 I = J + 1,MIN(N,J+K) - X(IX) = X(IX) - TEMP*A(L+I,J) - IX = IX + INCX - 70 CONTINUE - END IF + IX = KX + L = 1 - J + IF (NOUNIT) X(JX) = X(JX)/A(1,J) + TEMP = X(JX) + DO 70 I = J + 1,MIN(N,J+K) + X(IX) = X(IX) - TEMP*A(L+I,J) + IX = IX + INCX + 70 CONTINUE JX = JX + INCX 80 CONTINUE END IF diff --git a/BLAS/SRC/stbsv.f b/BLAS/SRC/stbsv.f index ee12cd0b2..af40e2878 100644 --- a/BLAS/SRC/stbsv.f +++ b/BLAS/SRC/stbsv.f @@ -201,10 +201,6 @@ * .. * * ===================================================================== -* -* .. Parameters .. - REAL ZERO - PARAMETER (ZERO=0.0E+0) * .. * .. Local Scalars .. REAL TEMP @@ -274,59 +270,51 @@ KPLUS1 = K + 1 IF (INCX.EQ.1) THEN DO 20 J = N,1,-1 - IF (X(J).NE.ZERO) THEN - L = KPLUS1 - J - IF (NOUNIT) X(J) = X(J)/A(KPLUS1,J) - TEMP = X(J) - DO 10 I = J - 1,MAX(1,J-K),-1 - X(I) = X(I) - TEMP*A(L+I,J) - 10 CONTINUE - END IF + L = KPLUS1 - J + IF (NOUNIT) X(J) = X(J)/A(KPLUS1,J) + TEMP = X(J) + DO 10 I = J - 1,MAX(1,J-K),-1 + X(I) = X(I) - TEMP*A(L+I,J) + 10 CONTINUE 20 CONTINUE ELSE KX = KX + (N-1)*INCX JX = KX DO 40 J = N,1,-1 KX = KX - INCX - IF (X(JX).NE.ZERO) THEN - IX = KX - L = KPLUS1 - J - IF (NOUNIT) X(JX) = X(JX)/A(KPLUS1,J) - TEMP = X(JX) - DO 30 I = J - 1,MAX(1,J-K),-1 - X(IX) = X(IX) - TEMP*A(L+I,J) - IX = IX - INCX - 30 CONTINUE - END IF + IX = KX + L = KPLUS1 - J + IF (NOUNIT) X(JX) = X(JX)/A(KPLUS1,J) + TEMP = X(JX) + DO 30 I = J - 1,MAX(1,J-K),-1 + X(IX) = X(IX) - TEMP*A(L+I,J) + IX = IX - INCX + 30 CONTINUE JX = JX - INCX 40 CONTINUE END IF ELSE IF (INCX.EQ.1) THEN DO 60 J = 1,N - IF (X(J).NE.ZERO) THEN - L = 1 - J - IF (NOUNIT) X(J) = X(J)/A(1,J) - TEMP = X(J) - DO 50 I = J + 1,MIN(N,J+K) - X(I) = X(I) - TEMP*A(L+I,J) - 50 CONTINUE - END IF + L = 1 - J + IF (NOUNIT) X(J) = X(J)/A(1,J) + TEMP = X(J) + DO 50 I = J + 1,MIN(N,J+K) + X(I) = X(I) - TEMP*A(L+I,J) + 50 CONTINUE 60 CONTINUE ELSE JX = KX DO 80 J = 1,N KX = KX + INCX - IF (X(JX).NE.ZERO) THEN - IX = KX - L = 1 - J - IF (NOUNIT) X(JX) = X(JX)/A(1,J) - TEMP = X(JX) - DO 70 I = J + 1,MIN(N,J+K) - X(IX) = X(IX) - TEMP*A(L+I,J) - IX = IX + INCX - 70 CONTINUE - END IF + IX = KX + L = 1 - J + IF (NOUNIT) X(JX) = X(JX)/A(1,J) + TEMP = X(JX) + DO 70 I = J + 1,MIN(N,J+K) + X(IX) = X(IX) - TEMP*A(L+I,J) + IX = IX + INCX + 70 CONTINUE JX = JX + INCX 80 CONTINUE END IF diff --git a/BLAS/SRC/ztbsv.f b/BLAS/SRC/ztbsv.f index 7275df32b..1b6af2b13 100644 --- a/BLAS/SRC/ztbsv.f +++ b/BLAS/SRC/ztbsv.f @@ -201,10 +201,6 @@ * .. * * ===================================================================== -* -* .. Parameters .. - COMPLEX*16 ZERO - PARAMETER (ZERO= (0.0D+0,0.0D+0)) * .. * .. Local Scalars .. COMPLEX*16 TEMP @@ -275,59 +271,51 @@ KPLUS1 = K + 1 IF (INCX.EQ.1) THEN DO 20 J = N,1,-1 - IF (X(J).NE.ZERO) THEN - L = KPLUS1 - J - IF (NOUNIT) X(J) = X(J)/A(KPLUS1,J) - TEMP = X(J) - DO 10 I = J - 1,MAX(1,J-K),-1 - X(I) = X(I) - TEMP*A(L+I,J) - 10 CONTINUE - END IF + L = KPLUS1 - J + IF (NOUNIT) X(J) = X(J)/A(KPLUS1,J) + TEMP = X(J) + DO 10 I = J - 1,MAX(1,J-K),-1 + X(I) = X(I) - TEMP*A(L+I,J) + 10 CONTINUE 20 CONTINUE ELSE KX = KX + (N-1)*INCX JX = KX DO 40 J = N,1,-1 KX = KX - INCX - IF (X(JX).NE.ZERO) THEN - IX = KX - L = KPLUS1 - J - IF (NOUNIT) X(JX) = X(JX)/A(KPLUS1,J) - TEMP = X(JX) - DO 30 I = J - 1,MAX(1,J-K),-1 - X(IX) = X(IX) - TEMP*A(L+I,J) - IX = IX - INCX - 30 CONTINUE - END IF + IX = KX + L = KPLUS1 - J + IF (NOUNIT) X(JX) = X(JX)/A(KPLUS1,J) + TEMP = X(JX) + DO 30 I = J - 1,MAX(1,J-K),-1 + X(IX) = X(IX) - TEMP*A(L+I,J) + IX = IX - INCX + 30 CONTINUE JX = JX - INCX 40 CONTINUE END IF ELSE IF (INCX.EQ.1) THEN DO 60 J = 1,N - IF (X(J).NE.ZERO) THEN - L = 1 - J - IF (NOUNIT) X(J) = X(J)/A(1,J) - TEMP = X(J) - DO 50 I = J + 1,MIN(N,J+K) - X(I) = X(I) - TEMP*A(L+I,J) - 50 CONTINUE - END IF + L = 1 - J + IF (NOUNIT) X(J) = X(J)/A(1,J) + TEMP = X(J) + DO 50 I = J + 1,MIN(N,J+K) + X(I) = X(I) - TEMP*A(L+I,J) + 50 CONTINUE 60 CONTINUE ELSE JX = KX DO 80 J = 1,N KX = KX + INCX - IF (X(JX).NE.ZERO) THEN - IX = KX - L = 1 - J - IF (NOUNIT) X(JX) = X(JX)/A(1,J) - TEMP = X(JX) - DO 70 I = J + 1,MIN(N,J+K) - X(IX) = X(IX) - TEMP*A(L+I,J) - IX = IX + INCX - 70 CONTINUE - END IF + IX = KX + L = 1 - J + IF (NOUNIT) X(JX) = X(JX)/A(1,J) + TEMP = X(JX) + DO 70 I = J + 1,MIN(N,J+K) + X(IX) = X(IX) - TEMP*A(L+I,J) + IX = IX + INCX + 70 CONTINUE JX = JX + INCX 80 CONTINUE END IF