reflections.h (singular-4.2.0p3) | : | reflections.h (singular-4.2.1) | ||
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skipping to change at line 98 | skipping to change at line 98 | |||

N - reflection order. | N - reflection order. | |||

Output parameters: | Output parameters: | |||

X - components from 2 to N are replaced with vector V. | X - components from 2 to N are replaced with vector V. | |||

The first component is replaced with parameter Beta. | The first component is replaced with parameter Beta. | |||

Tau - scalar value Tau. If X is a null vector, Tau equals 0, | Tau - scalar value Tau. If X is a null vector, Tau equals 0, | |||

otherwise 1 <= Tau <= 2. | otherwise 1 <= Tau <= 2. | |||

This subroutine is the modification of the DLARFG subroutines from | This subroutine is the modification of the DLARFG subroutines from | |||

the LAPACK library. It has a similar functionality except for the | the LAPACK library. It has a similar functionality except for the | |||

fact that it doesn’t handle errors when the intermediate results | fact that it doesn't handle errors when the intermediate results | |||

cause an overflow. | cause an overflow. | |||

MODIFICATIONS: | MODIFICATIONS: | |||

24.12.2005 sign(Alpha) was replaced with an analogous to the Fortran SIG N code. | 24.12.2005 sign(Alpha) was replaced with an analogous to the Fortran SIG N code. | |||

-- LAPACK auxiliary routine (version 3.0) -- | -- LAPACK auxiliary routine (version 3.0) -- | |||

Univ. of Tennessee, Univ. of California Berkeley, NAG Ltd., | Univ. of Tennessee, Univ. of California Berkeley, NAG Ltd., | |||

Courant Institute, Argonne National Lab, and Rice University | Courant Institute, Argonne National Lab, and Rice University | |||

September 30, 1994 | September 30, 1994 | |||

*************************************************************************/ | *************************************************************************/ | |||

End of changes. 1 change blocks. | ||||

1 lines changed or deleted | | 1 lines changed or added |