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Diffstat (limited to 'newlib/libm/common/s_lrint.c')
-rw-r--r--newlib/libm/common/s_lrint.c98
1 files changed, 0 insertions, 98 deletions
diff --git a/newlib/libm/common/s_lrint.c b/newlib/libm/common/s_lrint.c
deleted file mode 100644
index 541bf2c7e..000000000
--- a/newlib/libm/common/s_lrint.c
+++ /dev/null
@@ -1,98 +0,0 @@
-
-/* @(#)s_lrint.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.
- * ====================================================
- */
-
-/*
- * lrint(x)
- * Return x rounded to integral value according to the prevailing
- * rounding mode.
- * Method:
- * Using floating addition.
- * Exception:
- * Inexact flag raised if x not equal to lrint(x).
- */
-
-#include "fdlibm.h"
-
-#ifndef _DOUBLE_IS_32BITS
-
-#ifdef __STDC__
-static const double
-#else
-static double
-#endif
-
-/* Adding a double, x, to 2^52 will cause the result to be rounded based on
- the fractional part of x, according to the implementation's current rounding
- mode. 2^52 is the smallest double that can be represented using all 52 significant
- digits. */
-TWO52[2]={
- 4.50359962737049600000e+15, /* 0x43300000, 0x00000000 */
- -4.50359962737049600000e+15, /* 0xC3300000, 0x00000000 */
-};
-
-#ifdef __STDC__
- long int lrint(double x)
-#else
- long int lrint(x)
- double x;
-#endif
-{
- __int32_t i0,j0,sx;
- __uint32_t i1;
- double t;
- volatile double w;
- long int result;
-
- EXTRACT_WORDS(i0,i1,x);
- sx = (i0>>31)&1;
- j0 = ((i0 & 0x7ff00000) >> 20) - 1023;
-
- if(j0 < 20)
- {
- if(j0 < -1)
- return 0;
- else
- {
- w = TWO52[sx] + x;
- t = w - TWO52[sx];
- GET_HIGH_WORD(i0, t);
- j0 = ((i0 & 0x7ff00000) >> 20) - 1023;
- i0 &= 0x000fffff;
- i0 |= 0x00100000;
- result = i0 >> (20 - j0);
- }
- }
- else if (j0 < (8 * sizeof (long int)) - 1)
- {
- if (j0 >= 52)
- result = ((long int) i0 << (j0 - 20)) | (i1 << (j0 - 52));
- else
- {
- w = TWO52[sx] + x;
- t = w - TWO52[sx];
- EXTRACT_WORDS (i0, i1, t);
- j0 = ((i0 & 0x7ff00000) >> 20) - 1023;
- i0 &= 0x000fffff;
- i0 |= 0x00100000;
- result = ((long int) i0 << (j0 - 20)) | (i1 >> (52 - j0));
- }
- }
- else
- {
- return (long int) x;
- }
-
- return sx ? -result : result;
-}
-
-#endif /* _DOUBLE_IS_32BITS */