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standard/zclear(3) -- initializes the z-buffer of the current framebuffer
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none |
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standard/zdraw(3) -- enables or disables drawing to the z-buffer
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b expects one of two possible values: TRUE enables drawing of colors into the z-buffer. FALSE disables drawing of colors into the z-buffer. |
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complib/zdrscl(3) -- multiplie an n-element complex vector x by the real scalar 1/a
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ZDRSCL multiplies an n-element complex vector x by the real scalar 1/a. This is done without overflow or underflow as long as the final result x/a does not overflow or underflow. |
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standard/zfunction(3) -- specifies the function used for z-buffer comparison by the current framebuffer
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func expects one of eight possible flags used when comparing z values. The available flags are: ZF_NEVER, the z-buffer function never passes. ZF_LESS, the z-buffer function passes if the incoming pixel z value is less than the z value stored in the z-buffer bitplanes. ZF_EQUAL, the z-buffer function passes if the incoming pixel z value is equal to the z value stored in the z-buffer bitplanes. ZF_LEQUAL, the z-buffer function passes if the incoming pixel z value is less than or equal to the z val... |
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complib/zgbbrd(3) -- reduce a complex general m-by-n band matrix A to real upper bidiagonal form B by a unitary transformation
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ZGBBRD reduces a complex general m-by-n band matrix A to real upper bidiagonal form B by a unitary transformation: Q' * A * P = B. The routine computes B, and optionally forms Q or P', or computes Q'*C for a given matrix C. |
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complib/zgbcon(3) -- general band matrix A, in either the 1-norm or the infinity-norm,
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ZGBCON estimates the reciprocal of the condition number of a complex general band matrix A, in either the 1-norm or the infinity-norm, using the LU factorization computed by ZGBTRF. An estimate is obtained for norm(inv(A)), and the reciprocal of the condition number is computed as RCOND = 1 / ( norm(A) * norm(inv(A)) ). |
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complib/zgbequ(3) -- compute row and column scalings intended to equilibrate an Mby-N band matrix A and reduce its condition number
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ZGBEQU computes row and column scalings intended to equilibrate an M-by-N band matrix A and reduce its condition number. R returns the row scale factors and C the column scale factors, chosen to try to make the largest element in each row and column of the matrix B with elements B(i,j)=R(i)*A(i,j)*C(j) have absolute value 1. R(i) and C(j) are restricted to be between SMLNUM = smallest safe number and BIGNUM = largest safe number. Use of these scaling factors is not guaranteed to reduce the condi... |
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complib/zgbrfs(3) -- improve the computed solution to a system of linear equations when the coefficient matrix is banded, and provi
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ZGBRFS improves the computed solution to a system of linear equations when the coefficient matrix is banded, and provides error bounds and backward error estimates for the solution. |
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complib/zgbsv(3) -- compute the solution to a complex system of linear equations A * X = B, where A is a band matrix of order N wi
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ZGBSV computes the solution to a complex system of linear equations A * X = B, where A is a band matrix of order N with KL subdiagonals and KU superdiagonals, and X and B are N-by-NRHS matrices. The LU decomposition with partial pivoting and row interchanges is used to factor A as A = L * U, where L is a product of permutation and unit lower triangular matrices with KL subdiagonals, and U is upper triangular with KL+KU superdiagonals. The factored form of A is then used to solve the system of eq... |
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complib/zgbsvx(3) -- system of linear equations A * X = B, A**T * X = B, or A**H * X = B,
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ZGBSVX uses the LU factorization to compute the solution to a complex system of linear equations A * X = B, A**T * X = B, or A**H * X = B, where A is a band matrix of order N with KL subdiagonals and KU superdiagonals, and X and B are N-by-NRHS matrices. Error bounds on the solution and a condition estimate are also provided. |
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complib/zgbtf2(3) -- compute an LU factorization of a complex m-by-n band matrix A using partial pivoting with row interchanges
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ZGBTF2 computes an LU factorization of a complex m-by-n band matrix A using partial pivoting with row interchanges. This is the unblocked version of the algorithm, calling Level 2 BLAS. |
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complib/zgbtrf(3) -- compute an LU factorization of a complex m-by-n band matrix A using partial pivoting with row interchanges
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ZGBTRF computes an LU factorization of a complex m-by-n band matrix A using partial pivoting with row interchanges. This is the blocked version of the algorithm, calling Level 3 BLAS. |
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complib/zgbtrs(3) -- solve a system of linear equations A * X = B, A**T * X = B, or A**H * X = B with a general band matrix A using
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ZGBTRS solves a system of linear equations A * X = B, A**T * X = B, or A**H * X = B with a general band matrix A using the LU factorization computed by ZGBTRF. |