GRASS GIS 7 Programmer's Manual  7.5.svn(2018)-r72636
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unfl.c
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1 /* unfl.c CCMATH mathematics library source code.
2  *
3  * Copyright (C) 2000 Daniel A. Atkinson All rights reserved.
4  * This code may be redistributed under the terms of the GNU library
5  * public license (LGPL). ( See the lgpl.license file for details.)
6  * ------------------------------------------------------------------------
7  */
8 static unsigned int a=69069U,c=244045795U;
9 static unsigned int s,h,sbuf[256];
10 double unfl()
11 { int i;
12  i=(int)(s>>24); s=sbuf[i];
13  h=a*h+c; sbuf[i]=h;
14  return s*2.328306436538696e-10;
15 }
16 void setunfl(unsigned int k)
17 { int j;
18  for(h=k,j=0; j<=256 ;++j){
19  h=a*h+c;
20  if(j<256) sbuf[j]=h; else s=h;
21  }
22 }
void setunfl(unsigned int k)
Definition: unfl.c:16
int
Reads the categories file for map name in mapset and stores the categories in the pcats structure...
double unfl()
Definition: unfl.c:10