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[/] [openrisc/] [trunk/] [gnu-old/] [newlib-1.17.0/] [newlib/] [libc/] [stdlib/] [__exp10.c] - Blame information for rev 158

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/*
 * compute 10**x by successive squaring.
 */
 
#include <_ansi.h>
#include "std.h"
 
double
_DEFUN (__exp10, (x),
        unsigned x)
{
  static _CONST double powtab[] =
  {1.0,
   10.0,
   100.0,
   1000.0,
   10000.0};
 
  if (x < (sizeof (powtab) / sizeof (double)))
      return powtab[x];
  else if (x & 1)
    {
      return 10.0 * __exp10 (x - 1);
    }
  else
    {
      double n = __exp10 (x / 2);
      return n * n;
    }
}

Line No.	Rev	Author	Line
1	148	jeremybenn	`/*`
2			`* compute 10**x by successive squaring.`
3			`*/`
4
5			`#include <_ansi.h>`
6			`#include "std.h"`
7
8			`double`
9			`_DEFUN (__exp10, (x),`
10			`unsigned x)`
11			`{`
12			`static _CONST double powtab[] =`
13			`{1.0,`
14			`10.0,`
15			`100.0,`
16			`1000.0,`
17			`10000.0};`
18
19			`if (x < (sizeof (powtab) / sizeof (double)))`
20			`return powtab[x];`
21			`else if (x & 1)`
22			`{`
23			`return 10.0 * __exp10 (x - 1);`
24			`}`
25			`else`
26			`{`
27			`double n = __exp10 (x / 2);`
28			`return n * n;`
29			`}`
30			`}`

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[/] [openrisc/] [trunk/] [gnu-old/] [newlib-1.17.0/] [newlib/] [libc/] [stdlib/] [__exp10.c] - Blame information for rev 158