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Diffstat (limited to 'src/lib/blas/dasum.f')
-rw-r--r-- | src/lib/blas/dasum.f | 43 |
1 files changed, 0 insertions, 43 deletions
diff --git a/src/lib/blas/dasum.f b/src/lib/blas/dasum.f deleted file mode 100644 index 28b128a8..00000000 --- a/src/lib/blas/dasum.f +++ /dev/null @@ -1,43 +0,0 @@ - double precision function dasum(n,dx,incx) -c -c takes the sum of the absolute values. -c jack dongarra, linpack, 3/11/78. -c modified 3/93 to return if incx .le. 0. -c modified 12/3/93, array(1) declarations changed to array(*) -c - double precision dx(*),dtemp - integer i,incx,m,mp1,n,nincx -c - dasum = 0.0d0 - dtemp = 0.0d0 - if( n.le.0 .or. incx.le.0 )return - if(incx.eq.1)go to 20 -c -c code for increment not equal to 1 -c - nincx = n*incx - do 10 i = 1,nincx,incx - dtemp = dtemp + dabs(dx(i)) - 10 continue - dasum = dtemp - return -c -c code for increment equal to 1 -c -c -c clean-up loop -c - 20 m = mod(n,6) - if( m .eq. 0 ) go to 40 - do 30 i = 1,m - dtemp = dtemp + dabs(dx(i)) - 30 continue - if( n .lt. 6 ) go to 60 - 40 mp1 = m + 1 - do 50 i = mp1,n,6 - dtemp = dtemp + dabs(dx(i)) + dabs(dx(i + 1)) + dabs(dx(i + 2)) - * + dabs(dx(i + 3)) + dabs(dx(i + 4)) + dabs(dx(i + 5)) - 50 continue - 60 dasum = dtemp - return - end |