|
Last change
on this file since 5444 was
1250,
checked in by yann meurdesoif, 15 years ago
|
|
Optimisations SX9
YM
|
-
Property svn:eol-style set to
native
-
Property svn:keywords set to
Author Date Id Revision
|
|
File size:
836 bytes
|
| Line | |
|---|
| 1 | ! |
|---|
| 2 | ! $Header$ |
|---|
| 3 | ! |
|---|
| 4 | #ifdef CRAY |
|---|
| 5 | SUBROUTINE riencray |
|---|
| 6 | END |
|---|
| 7 | #else |
|---|
| 8 | subroutine scopy(n,sx,incx,sy,incy) |
|---|
| 9 | c |
|---|
| 10 | IMPLICIT NONE |
|---|
| 11 | c |
|---|
| 12 | integer n,incx,incy,ix,iy,i |
|---|
| 13 | real sx((n-1)*incx+1),sy((n-1)*incy+1) |
|---|
| 14 | c |
|---|
| 15 | if (incx.eq.1.and.incy.eq.1) then |
|---|
| 16 | do 10 i=1,n |
|---|
| 17 | sy(i)=sx(i) |
|---|
| 18 | 10 continue |
|---|
| 19 | else |
|---|
| 20 | iy=1 |
|---|
| 21 | ix=1 |
|---|
| 22 | do 11 i=1,n |
|---|
| 23 | sy(iy)=sx(ix) |
|---|
| 24 | ix=ix+incx |
|---|
| 25 | iy=iy+incy |
|---|
| 26 | 11 continue |
|---|
| 27 | endif |
|---|
| 28 | c |
|---|
| 29 | return |
|---|
| 30 | end |
|---|
| 31 | |
|---|
| 32 | function ssum(n,sx,incx) |
|---|
| 33 | c |
|---|
| 34 | IMPLICIT NONE |
|---|
| 35 | c |
|---|
| 36 | integer n,incx,i,ix |
|---|
| 37 | real ssum,sx((n-1)*incx+1) |
|---|
| 38 | c |
|---|
| 39 | ssum=0. |
|---|
| 40 | if (incx.eq.1) then |
|---|
| 41 | do 10 i=1,n |
|---|
| 42 | ssum=ssum+sx(i) |
|---|
| 43 | 10 continue |
|---|
| 44 | else |
|---|
| 45 | ix=1 |
|---|
| 46 | do 11 i=1,n |
|---|
| 47 | ssum=ssum+sx(ix) |
|---|
| 48 | ix=ix+incx |
|---|
| 49 | 11 continue |
|---|
| 50 | endif |
|---|
| 51 | c |
|---|
| 52 | return |
|---|
| 53 | end |
|---|
| 54 | #endif |
|---|
Note: See
TracBrowser
for help on using the repository browser.
