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Diffstat (limited to 'newlib/libm/common/s_lround.c')
-rw-r--r--newlib/libm/common/s_lround.c71
1 files changed, 0 insertions, 71 deletions
diff --git a/newlib/libm/common/s_lround.c b/newlib/libm/common/s_lround.c
deleted file mode 100644
index 7bd249f9c..000000000
--- a/newlib/libm/common/s_lround.c
+++ /dev/null
@@ -1,71 +0,0 @@
-/*
- * ====================================================
- * 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 "fdlibm.h"
-
-#ifndef _DOUBLE_IS_32BITS
-
-#ifdef __STDC__
- long int lround(double x)
-#else
- long int lround(x)
- double x;
-#endif
-{
- __int32_t sign, exponent_less_1023;
- /* Most significant word, least significant word. */
- __uint32_t msw, lsw;
- long int result;
-
- EXTRACT_WORDS(msw, lsw, x);
-
- /* Extract sign. */
- sign = ((msw & 0x80000000) ? -1 : 1);
- /* Extract exponent field. */
- exponent_less_1023 = ((msw & 0x7ff00000) >> 20) - 1023;
- msw &= 0x000fffff;
- msw |= 0x00100000;
-
- if (exponent_less_1023 < 20)
- {
- if (exponent_less_1023 < 0)
- {
- if (exponent_less_1023 < -1)
- return 0;
- else
- return sign;
- }
- else
- {
- msw += 0x80000 >> exponent_less_1023;
- result = msw >> (20 - exponent_less_1023);
- }
- }
- else if (exponent_less_1023 < (8 * sizeof (long int)) - 1)
- {
- if (exponent_less_1023 >= 52)
- result = ((long int) msw << (exponent_less_1023 - 20)) | (lsw << (exponent_less_1023 - 52));
- else
- {
- unsigned int tmp = lsw + (0x80000000 >> (exponent_less_1023 - 20));
- if (tmp < lsw)
- ++msw;
- result = ((long int) msw << (exponent_less_1023 - 20)) | (tmp >> (52 - exponent_less_1023));
- }
- }
- else
- /* Result is too large to be represented by a long int. */
- return (long int)x;
-
- return sign * result;
-}
-
-#endif /* _DOUBLE_IS_32BITS */