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authorUlrich Drepper <drepper@redhat.com>1999-07-14 00:54:57 +0000
committerUlrich Drepper <drepper@redhat.com>1999-07-14 00:54:57 +0000
commitabfbdde177c3a7155070dda1b2cdc8292054cc26 (patch)
treee021306b596381fbf8311d2b7eb294e918ff17c8 /sysdeps/libm-ieee754/s_modfl.c
parent86421aa57ecfd70963ae66848bd6a6dd3b8e0fe6 (diff)
Update.
Diffstat (limited to 'sysdeps/libm-ieee754/s_modfl.c')
-rw-r--r--sysdeps/libm-ieee754/s_modfl.c85
1 files changed, 0 insertions, 85 deletions
diff --git a/sysdeps/libm-ieee754/s_modfl.c b/sysdeps/libm-ieee754/s_modfl.c
deleted file mode 100644
index ad16ef65ec..0000000000
--- a/sysdeps/libm-ieee754/s_modfl.c
+++ /dev/null
@@ -1,85 +0,0 @@
-/* s_modfl.c -- long double version of s_modf.c.
- * Conversion to long double by Ulrich Drepper,
- * Cygnus Support, drepper@cygnus.com.
- */
-
-/*
- * ====================================================
- * 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.
- * ====================================================
- */
-
-#if defined(LIBM_SCCS) && !defined(lint)
-static char rcsid[] = "$NetBSD: $";
-#endif
-
-/*
- * modfl(long double x, long 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"
-
-#ifdef __STDC__
-static const long double one = 1.0;
-#else
-static long double one = 1.0;
-#endif
-
-#ifdef __STDC__
- long double __modfl(long double x, long double *iptr)
-#else
- long double __modfl(x, iptr)
- long double x,*iptr;
-#endif
-{
- int32_t i0,i1,j0;
- u_int32_t i,se;
- GET_LDOUBLE_WORDS(se,i0,i1,x);
- j0 = (se&0x7fff)-0x3fff; /* exponent of x */
- if(j0<32) { /* integer part in high x */
- if(j0<0) { /* |x|<1 */
- SET_LDOUBLE_WORDS(*iptr,se&0x8000,0,0); /* *iptr = +-0 */
- return x;
- } else {
- i = (0x7fffffff)>>j0;
- if(((i0&i)|i1)==0) { /* x is integral */
- *iptr = x;
- SET_LDOUBLE_WORDS(x,se&0x8000,0,0); /* return +-0 */
- return x;
- } else {
- SET_LDOUBLE_WORDS(*iptr,se,i0&(~i),0);
- return x - *iptr;
- }
- }
- } else if (j0>63) { /* no fraction part */
- *iptr = x*one;
- /* We must handle NaNs separately. */
- if (j0 == 0x4000 && ((i0 & 0x7fffffff) | i1))
- return x*one;
- SET_LDOUBLE_WORDS(x,se&0x8000,0,0); /* return +-0 */
- return x;
- } else { /* fraction part in low x */
- i = ((u_int32_t)(0xffffffff))>>(j0-32);
- if((i1&i)==0) { /* x is integral */
- *iptr = x;
- INSERT_WORDS(x,se&0x8000,0); /* return +-0 */
- return x;
- } else {
- SET_LDOUBLE_WORDS(*iptr,se,i0,i1&(~i));
- return x - *iptr;
- }
- }
-}
-weak_alias (__modfl, modfl)