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<title>SuperLU: SRC/slu_scomplex.h File Reference</title>
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<link href="doxygen.css" rel="stylesheet" type="text/css">
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</head><body>
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Main Page
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Data Structures
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Files
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SRC/slu_scomplex.h File ReferenceHeader file for complex operations. More...
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Go to the source code of this file.
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Data Structures
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struct complex
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Defines
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#define c_add(c, a, b)
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Complex Addition c = a + b.
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#define c_sub(c, a, b)
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Complex Subtraction c = a - b.
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#define cs_mult(c, a, b)
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Complex-Double Multiplication.
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#define cc_mult(c, a, b)
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Complex-Complex Multiplication.
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#define cc_conj(a, b)
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#define c_eq(a, b) ( (a)->r == (b)->r && (a)->i == (b)->i )
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Complex equality testing.
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Functions
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void c_div (complex *, complex *, complex *)
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Complex Division c = a/b.
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double c_abs (complex *)
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Returns sqrt(z.r^2 + z.i^2).
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double c_abs1 (complex *)
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Approximates the abs. Returns abs(z.r) + abs(z.i).
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void c_exp (complex *, complex *)
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Return the exponentiation.
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void r_cnjg (complex *, complex *)
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Return the complex conjugate.
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double r_imag (complex *)
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Return the imaginary part.
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complex c_sgn (complex *)
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SIGN functions for complex number. Returns z/abs(z).
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complex c_sqrt (complex *)
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Square-root of a complex number.
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Detailed Description
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-- SuperLU routine (version 2.0) --
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Univ. of California Berkeley, Xerox Palo Alto Research Center,
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and Lawrence Berkeley National Lab.
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November 15, 1997
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Contains definitions for various complex operations.
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This header file is to be included in source files c*.c
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Define Documentation
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#define c_add
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(
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c,
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a,
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b
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)
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Value:{ (c)->r = (a)->r + (b)->r; \
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(c)->i = (a)->i + (b)->i; }
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