1 files changed, 0 insertions, 103 deletions
diff --git a/nuttx/libc/math/lib_libexpi.c b/nuttx/libc/math/lib_libexpi.c
deleted file mode 100644
index 33ba537b1..000000000
--- a/nuttx/libc/math/lib_libexpi.c
+++ /dev/null
@@ -1,103 +0,0 @@
-/************************************************************************
- * libc/math/lib_libexpi.c
- *
- * This file is a part of NuttX:
- *
- *   Copyright (C) 2012 Gregory Nutt. All rights reserved.
- *   Ported by: Darcy Gong
- *
- * It derives from the Rhombs OS math library by Nick Johnson which has
- * a compatibile, MIT-style license:
- *
- * Copyright (C) 2009-2011 Nick Johnson <nickbjohnson4224 at gmail.com>
- * 
- * Permission to use, copy, modify, and distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- * 
- * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
- * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
- * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
- * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
- * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
- * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
- *
- ************************************************************************/
-
-/************************************************************************
- * Included Files
- ************************************************************************/
-
-#include <nuttx/config.h>
-#include <nuttx/compiler.h>
-
-#include <sys/types.h>
-#include <math.h>
-
-/************************************************************************
- * Public Functions
- ************************************************************************/
-
-/************************************************************************
- * Pre-processor Definitions
- ************************************************************************/
-
-#define M_E2    (M_E * M_E)
-#define M_E4    (M_E2 * M_E2)
-#define M_E8    (M_E4 * M_E4)
-#define M_E16   (M_E8 * M_E8)
-#define M_E32   (M_E16 * M_E16)
-#define M_E64   (M_E32 * M_E32)
-#define M_E128  (M_E64 * M_E64)
-#define M_E256  (M_E128 * M_E128)
-#define M_E512  (M_E256 * M_E256)
-#define M_E1024 (M_E512 * M_E512)
-
-/************************************************************************
- * Private Data
- ************************************************************************/
-
-static double _expi_square_tbl[11] =
-{
-  M_E,                          // e^1
-  M_E2,                         // e^2
-  M_E4,                         // e^4
-  M_E8,                         // e^8
-  M_E16,                        // e^16
-  M_E32,                        // e^32
-  M_E64,                        // e^64
-  M_E128,                       // e^128
-  M_E256,                       // e^256
-  M_E512,                       // e^512
-  M_E1024,                      // e^1024
-};
-
-/************************************************************************
- * Public Functions
- ************************************************************************/
-
-double lib_expi(size_t n)
-{
-  size_t i;
-  double val;
-
-  if (n > 1024)
-    {
-      return INFINITY;
-    }
-
-  val = 1.0;
-
-  for (i = 0; n; i++)
-    {
-      if (n & (1 << i))
-        {
-          n   &= ~(1 << i);
-          val *= _expi_square_tbl[i];
-        }
-    }
-
-  return val;
-}
-