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| author | Joseph Hunkeler <jhunkeler@gmail.com> | 2015-03-04 21:21:30 -0500 |
|---|---|---|
| committer | Joseph Hunkeler <jhunkeler@gmail.com> | 2015-03-04 21:21:30 -0500 |
| commit | d54fe7c1f704a63824c5bfa0ece65245572e9b27 (patch) | |
| tree | afc52015ffc2c74e0266653eecef1c8ef8ba5d91 /src/slalib/dvdv.f | |
| download | calfuse-d54fe7c1f704a63824c5bfa0ece65245572e9b27.tar.gz | |
Initial commit
Diffstat (limited to 'src/slalib/dvdv.f')
| -rw-r--r-- | src/slalib/dvdv.f | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/src/slalib/dvdv.f b/src/slalib/dvdv.f new file mode 100644 index 0000000..ab3e411 --- /dev/null +++ b/src/slalib/dvdv.f @@ -0,0 +1,27 @@ + DOUBLE PRECISION FUNCTION sla_DVDV (VA, VB) +*+ +* - - - - - +* D V D V +* - - - - - +* +* Scalar product of two 3-vectors (double precision) +* +* Given: +* VA dp(3) first vector +* VB dp(3) second vector +* +* The result is the scalar product VA.VB (double precision) +* +* P.T.Wallace Starlink November 1984 +* +* Copyright (C) 1995 Rutherford Appleton Laboratory +*- + + IMPLICIT NONE + + DOUBLE PRECISION VA(3),VB(3) + + + sla_DVDV=VA(1)*VB(1)+VA(2)*VB(2)+VA(3)*VB(3) + + END |