1DROTG(1)                         BLAS routine                         DROTG(1)
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NAME

6       DROTG - given plane rotation
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SYNOPSIS

9       SUBROUTINE DROTG(DA,DB,C,S)
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11           DOUBLE                  PRECISION C,DA,DB,S
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PURPOSE

14          construct givens plane rotation.
15          jack dongarra, linpack, 3/11/78.
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21BLAS routine                     November 2006                        DROTG(1)