SRC/dcomplex.c File Reference

Common arithmetic for complex type. More...

#include <math.h>
#include <stdlib.h>
#include <stdio.h>
#include "slu_dcomplex.h"

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Functions

void z_div (doublecomplex *c, doublecomplex *a, doublecomplex *b)
 Complex Division c = a/b.
double z_abs (doublecomplex *z)
 Returns sqrt(z.r^2 + z.i^2).
double z_abs1 (doublecomplex *z)
 Approximates the abs. Returns abs(z.r) + abs(z.i).
void z_exp (doublecomplex *r, doublecomplex *z)
 Return the exponentiation.
void d_cnjg (doublecomplex *r, doublecomplex *z)
 Return the complex conjugate.
double d_imag (doublecomplex *z)
 Return the imaginary part.

Detailed Description

 -- SuperLU routine (version 2.0) --
 Univ. of California Berkeley, Xerox Palo Alto Research Center,
 and Lawrence Berkeley National Lab.
 November 15, 1997

 This file defines common arithmetic operations for complex type.
 

Function Documentation

void d_cnjg ( doublecomplex r,
doublecomplex z 
)

double d_imag ( doublecomplex z  ) 

double z_abs ( doublecomplex z  ) 

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double z_abs1 ( doublecomplex z  ) 

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void z_div ( doublecomplex c,
doublecomplex a,
doublecomplex b 
)

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void z_exp ( doublecomplex r,
doublecomplex z 
)


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