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z_sqrt.c
/*
* "@(#)z_sqrt.c 1.1"
*/
#include "complex"
z_sqrt(r, z)
dcomplex *r, *z;
{
double mag, sqrt(), cabs();
if( (mag = cabs(z->dreal, z->dimag)) == 0.)
r->dreal = r->dimag = 0.;
else if(z->dreal >
z_div.c
#ifndef lint
static char *sccsid = " @(#)z_div.c 1.2 (ULTRIX) 1/16/86";
#endif lint
/************************************************************************
* *
* Copyright (c) 1986 by
z_func.c
/************
常用函数汇总
************/
# include
# include
# include
# include
# include
# include
static struct s_log { /* 日志结