2025-08-24 04:03:45 +03:00

15 lines
327 B
Fortran

recursive subroutine fprota(cos,sin,a,b)
c subroutine fprota applies a givens rotation to a and b.
c ..
c ..scalar arguments..
real*8 cos,sin,a,b
c ..local scalars..
real*8 stor1,stor2
c ..
stor1 = a
stor2 = b
b = cos*stor2+sin*stor1
a = cos*stor1-sin*stor2
return
end