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Fix bug in (s,d)COMBSSQ #569

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Merged
merged 1 commit into from
May 25, 2021
Merged

Fix bug in (s,d)COMBSSQ #569

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2 changes: 1 addition & 1 deletion SRC/classq.f90
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Expand Up @@ -241,7 +241,7 @@ subroutine CLASSQ( n, x, incx, scl, sumsq )
end if
else
!
! Otherwise all values are mid-range
! Otherwise all values are mid-range or zero
!
scl = one
sumsq = amed
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3 changes: 3 additions & 0 deletions SRC/dcombssq.f
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Expand Up @@ -74,6 +74,9 @@ SUBROUTINE DCOMBSSQ( V1, V2 )
PARAMETER ( ZERO = 0.0D+0 )
* ..
* .. Executable Statements ..
*
* A zero sum V2 shall not modify the scaling factor of V1
IF( V2( 2 ).EQ.ZERO ) RETURN
*
IF( V1( 1 ).GE.V2( 1 ) ) THEN
IF( V1( 1 ).NE.ZERO ) THEN
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2 changes: 1 addition & 1 deletion SRC/dlassq.f90
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Expand Up @@ -232,7 +232,7 @@ subroutine DLASSQ( n, x, incx, scl, sumsq )
end if
else
!
! Otherwise all values are mid-range
! Otherwise all values are mid-range or zero
!
scl = one
sumsq = amed
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3 changes: 3 additions & 0 deletions SRC/scombssq.f
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Expand Up @@ -74,6 +74,9 @@ SUBROUTINE SCOMBSSQ( V1, V2 )
PARAMETER ( ZERO = 0.0D+0 )
* ..
* .. Executable Statements ..
*
* A zero sum V2 shall not modify the scaling factor of V1
IF( V2( 2 ).EQ.ZERO ) RETURN
*
IF( V1( 1 ).GE.V2( 1 ) ) THEN
IF( V1( 1 ).NE.ZERO ) THEN
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2 changes: 1 addition & 1 deletion SRC/slassq.f90
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Expand Up @@ -232,7 +232,7 @@ subroutine SLASSQ( n, x, incx, scl, sumsq )
end if
else
!
! Otherwise all values are mid-range
! Otherwise all values are mid-range or zero
!
scl = one
sumsq = amed
Expand Down
2 changes: 1 addition & 1 deletion SRC/zlassq.f90
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Expand Up @@ -241,7 +241,7 @@ subroutine ZLASSQ( n, x, incx, scl, sumsq )
end if
else
!
! Otherwise all values are mid-range
! Otherwise all values are mid-range or zero
!
scl = one
sumsq = amed
Expand Down