SPR2: performs the symmetric rank 2 operation A := alpha*x*y**T + alpha*y*x**T + A, where alpha is a scalar, x and y are n element vectors and A is an n by n symmetric matrix, supplied in packed form.
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pure subroutine | dspr2 (uplo, n, alpha, x, incx, y, incy, ap) |
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| la_dspr2 |
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| la_qspr2 |
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pure subroutine | sspr2 (uplo, n, alpha, x, incx, y, incy, ap) |
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| la_sspr2 |
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SPR2: performs the symmetric rank 2 operation A := alpha*x*y**T + alpha*y*x**T + A, where alpha is a scalar, x and y are n element vectors and A is an n by n symmetric matrix, supplied in packed form.
◆ dspr2()
pure subroutine la_blas::spr2::dspr2 |
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character, intent(in) |
uplo, |
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integer(ilp), intent(in) |
n, |
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real(dp), intent(in) |
alpha, |
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real(dp), dimension(*), intent(in) |
x, |
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integer(ilp), intent(in) |
incx, |
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real(dp), dimension(*), intent(in) |
y, |
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integer(ilp), intent(in) |
incy, |
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real(dp), dimension(*), intent(inout) |
ap |
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◆ la_dspr2()
◆ la_qspr2()
◆ la_sspr2()
◆ sspr2()
pure subroutine la_blas::spr2::sspr2 |
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character, intent(in) |
uplo, |
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integer(ilp), intent(in) |
n, |
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real(sp), intent(in) |
alpha, |
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real(sp), dimension(*), intent(in) |
x, |
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integer(ilp), intent(in) |
incx, |
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real(sp), dimension(*), intent(in) |
y, |
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integer(ilp), intent(in) |
incy, |
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real(sp), dimension(*), intent(inout) |
ap |
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) |
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The documentation for this interface was generated from the following file: