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author | Guo Mang <mang.guo@intel.com> | 2017-08-02 09:54:47 +0800 |
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committer | Guo Mang <mang.guo@intel.com> | 2017-09-05 19:45:08 +0800 |
commit | 6c128c65b5ec0e5b8b5a0ccb165f3afd29e485f8 (patch) | |
tree | 444372d92a0ae8991fe4d15eb3937df43690dfda /StdLib/LibC/Math/s_modf.c | |
parent | b207c6434d7a5a4502975d322312e07017e8a8cb (diff) | |
download | edk2-platforms-6c128c65b5ec0e5b8b5a0ccb165f3afd29e485f8.tar.xz |
Remove core packages since we can get them from edk2 repository
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Guo Mang <mang.guo@intel.com>
Diffstat (limited to 'StdLib/LibC/Math/s_modf.c')
-rw-r--r-- | StdLib/LibC/Math/s_modf.c | 76 |
1 files changed, 0 insertions, 76 deletions
diff --git a/StdLib/LibC/Math/s_modf.c b/StdLib/LibC/Math/s_modf.c deleted file mode 100644 index bf4faf42e0..0000000000 --- a/StdLib/LibC/Math/s_modf.c +++ /dev/null @@ -1,76 +0,0 @@ -/* @(#)s_modf.c 5.1 93/09/24 */
-/*
- * ====================================================
- * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
- *
- * Developed at SunPro, a Sun Microsystems, Inc. business.
- * Permission to use, copy, modify, and distribute this
- * software is freely granted, provided that this notice
- * is preserved.
- * ====================================================
- */
-#include <LibConfig.h>
-#include <sys/EfiCdefs.h>
-#if defined(LIBM_SCCS) && !defined(lint)
-__RCSID("$NetBSD: s_modf.c,v 1.11 2002/05/26 22:01:57 wiz Exp $");
-#endif
-
-/*
- * modf(double x, double *iptr)
- * return fraction part of x, and return x's integral part in *iptr.
- * Method:
- * Bit twiddling.
- *
- * Exception:
- * No exception.
- */
-
-#include "math.h"
-#include "math_private.h"
-
-static const double one = 1.0;
-
-double
-modf(double x, double *iptr)
-{
- int32_t i0,i1,j0;
- u_int32_t i;
- EXTRACT_WORDS(i0,i1,x);
- j0 = ((i0>>20)&0x7ff)-0x3ff; /* exponent of x */
- if(j0<20) { /* integer part in high x */
- if(j0<0) { /* |x|<1 */
- INSERT_WORDS(*iptr,i0&0x80000000,0); /* *iptr = +-0 */
- return x;
- } else {
- i = (0x000fffff)>>j0;
- if(((i0&i)|i1)==0) { /* x is integral */
- u_int32_t high;
- *iptr = x;
- GET_HIGH_WORD(high,x);
- INSERT_WORDS(x,high&0x80000000,0); /* return +-0 */
- return x;
- } else {
- INSERT_WORDS(*iptr,i0&(~i),0);
- return x - *iptr;
- }
- }
- } else if (j0>51) { /* no fraction part */
- u_int32_t high;
- *iptr = x*one;
- GET_HIGH_WORD(high,x);
- INSERT_WORDS(x,high&0x80000000,0); /* return +-0 */
- return x;
- } else { /* fraction part in low x */
- i = ((u_int32_t)(0xffffffff))>>(j0-20);
- if((i1&i)==0) { /* x is integral */
- u_int32_t high;
- *iptr = x;
- GET_HIGH_WORD(high,x);
- INSERT_WORDS(x,high&0x80000000,0); /* return +-0 */
- return x;
- } else {
- INSERT_WORDS(*iptr,i0,i1&(~i));
- return x - *iptr;
- }
- }
-}
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