Last change
on this file since 373 was 352, checked in by coas-nagasima, 6 years ago |
arm向けASP3版ECNLを追加
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Property svn:eol-style
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native
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Property svn:mime-type
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text/x-csrc;charset=UTF-8
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File size:
672 bytes
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Rev | Line | |
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[352] | 1 | #include <limits.h>
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| 2 | #include <fenv.h>
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| 3 | #include "libm.h"
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| 4 |
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| 5 |
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| 6 | #if LDBL_MANT_DIG == 53 && LDBL_MAX_EXP == 1024
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| 7 | long lrintl(long double x)
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| 8 | {
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| 9 | return lrint(x);
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| 10 | }
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| 11 | #elif defined(FE_INEXACT)
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| 12 | /*
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| 13 | see comments in lrint.c
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| 14 |
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| 15 | Note that if LONG_MAX == 0x7fffffffffffffff && LDBL_MANT_DIG == 64
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| 16 | then x == 2**63 - 0.5 is the only input that overflows and
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| 17 | raises inexact (with tonearest or upward rounding mode)
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| 18 | */
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| 19 | long lrintl(long double x)
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| 20 | {
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| 21 | #pragma STDC FENV_ACCESS ON
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| 22 | int e;
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| 23 |
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| 24 | e = fetestexcept(FE_INEXACT);
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| 25 | x = rintl(x);
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| 26 | if (!e && (x > LONG_MAX || x < LONG_MIN))
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| 27 | feclearexcept(FE_INEXACT);
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| 28 | /* conversion */
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| 29 | return x;
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| 30 | }
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| 31 | #else
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| 32 | long lrintl(long double x)
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| 33 | {
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| 34 | return rintl(x);
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| 35 | }
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| 36 | #endif
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