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

The source code is distributed under BSD license, see the file License.txt at the top-level directory.

-- 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

◆ c_abs()

double c_abs ( complex * z )

◆ c_abs1()

double c_abs1 ( complex * z )

◆ c_div()

void c_div	(	complex *	c,
		complex *	a,
		complex *	b
	)

◆ c_exp()

void c_exp	(	complex *	r,
		complex *	z
	)

◆ c_sgn()

complex c_sgn ( complex * z )

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◆ c_sqrt()

complex c_sqrt ( complex * z )

◆ r_cnjg()

void r_cnjg	(	complex *	r,
		complex *	z
	)

◆ r_imag()

double r_imag ( complex * z )

Functions