SuperLU  5.0
Functions
scomplex.c File Reference

Common arithmetic for complex type. More...

#include <math.h>
#include <stdlib.h>
#include <stdio.h>
#include "slu_scomplex.h"
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Functions

void c_div (complex *c, complex *a, complex *b)
 Complex Division c = a/b. More...
 
double c_abs (complex *z)
 Returns sqrt(z.r^2 + z.i^2) More...
 
double c_abs1 (complex *z)
 Approximates the abs. Returns abs(z.r) + abs(z.i) More...
 
void c_exp (complex *r, complex *z)
 Return the exponentiation. More...
 
void r_cnjg (complex *r, complex *z)
 Return the complex conjugate. More...
 
double r_imag (complex *z)
 Return the imaginary part. More...
 
complex c_sgn (complex *z)
 SIGN functions for complex number. Returns z/abs(z) More...
 
complex c_sqrt (complex *z)
 Square-root of a complex number. More...
 

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

double c_abs ( complex z)
double c_abs1 ( complex z)
void c_div ( complex c,
complex a,
complex b 
)
void c_exp ( complex r,
complex z 
)
complex c_sgn ( complex z)

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complex c_sqrt ( complex z)
void r_cnjg ( complex r,
complex z 
)
double r_imag ( complex z)