edk2: Remove AppPkg, StdLib, StdLibPrivateInternalFiles

[mirror_edk2.git] / StdLib / LibC / Math / s_frexp.c

diff --git a/StdLib/LibC/Math/s_frexp.c b/StdLib/LibC/Math/s_frexp.c
deleted file mode 100644 (file)
index 8e93600..0000000
--- a/StdLib/LibC/Math/s_frexp.c
+++ /dev/null
@@ -1,52 +0,0 @@
-/* @(#)s_frexp.c 5.1 93/09/24 */\r
-/*\r
- * ====================================================\r
- * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.\r
- *\r
- * Developed at SunPro, a Sun Microsystems, Inc. business.\r
- * Permission to use, copy, modify, and distribute this\r
- * software is freely granted, provided that this notice\r
- * is preserved.\r
- * ====================================================\r
- */\r
-#include  <LibConfig.h>\r
-#include  <sys/EfiCdefs.h>\r
-#if defined(LIBM_SCCS) && !defined(lint)\r
-__RCSID("$NetBSD: s_frexp.c,v 1.12 2002/05/26 22:01:56 wiz Exp $");\r
-#endif\r
-\r
-/*\r
- * for non-zero x\r
- *  x = frexp(arg,&exp);\r
- * return a double fp quantity x such that 0.5 <= |x| <1.0\r
- * and the corresponding binary exponent "exp". That is\r
- *  arg = x*2^exp.\r
- * If arg is inf, 0.0, or NaN, then frexp(arg,&exp) returns arg\r
- * with *exp=0.\r
- */\r
-\r
-#include "math.h"\r
-#include "math_private.h"\r
-\r
-static const double\r
-two54 =  1.80143985094819840000e+16; /* 0x43500000, 0x00000000 */\r
-\r
-double\r
-frexp(double x, int *eptr)\r
-{\r
-  int32_t hx, ix, lx;\r
-  EXTRACT_WORDS(hx,lx,x);\r
-  ix = 0x7fffffff&hx;\r
-  *eptr = 0;\r
-  if(ix>=0x7ff00000||((ix|lx)==0)) return x;  /* 0,inf,nan */\r
-  if (ix<0x00100000) {    /* subnormal */\r
-      x *= two54;\r
-      GET_HIGH_WORD(hx,x);\r
-      ix = hx&0x7fffffff;\r
-      *eptr = -54;\r
-  }\r
-  *eptr += (ix>>20)-1022;\r
-  hx = (hx&0x800fffff)|0x3fe00000;\r
-  SET_HIGH_WORD(x,hx);\r
-  return x;\r
-}\r