ortho4.f
SUBROUTINE ORTHO4 (USOL, IDMN, ZN, ZM, PERTRB)
C***BEGIN PROLOGUE ORTHO4
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Warning: this routine is not intended to be user-callable.
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C***SUBSIDIARY
C***PURPOSE Subsidiary to SEPX4
C***LIBRARY SLATEC
C***TYPE SINGLE PRECISION (ORTHO4-S)
C***AUTHOR (UNKNOWN)
C***DESCRIPTION
C
C This subroutine orthogonalizes the array USOL with respect to
C the constant array in a weighted least squares norm.
C
C***SEE ALSO SEPX4
C***ROUTINES CALLED (NONE)
C***COMMON BLOCKS SPL4
C***REVISION HISTORY (YYMMDD)
C 801001 DATE WRITTEN
C 891214 Prologue converted to Version 4.0 format. (BAB)
C 900402 Added TYPE section. (WRB)
C***END PROLOGUE ORTHO4