Last change
on this file since 387 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:
525 bytes
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Rev | Line | |
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[352] | 1 | #include "libm.h"
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| 2 |
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| 3 | #if LDBL_MANT_DIG == 53 && LDBL_MAX_EXP == 1024
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| 4 | long double frexpl(long double x, int *e)
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| 5 | {
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| 6 | return frexp(x, e);
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| 7 | }
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| 8 | #elif (LDBL_MANT_DIG == 64 || LDBL_MANT_DIG == 113) && LDBL_MAX_EXP == 16384
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| 9 | long double frexpl(long double x, int *e)
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| 10 | {
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| 11 | union ldshape u = {x};
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| 12 | int ee = u.i.se & 0x7fff;
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| 13 |
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| 14 | if (!ee) {
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| 15 | if (x) {
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| 16 | x = frexpl(x*0x1p120, e);
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| 17 | *e -= 120;
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| 18 | } else *e = 0;
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| 19 | return x;
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| 20 | } else if (ee == 0x7fff) {
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| 21 | return x;
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| 22 | }
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| 23 |
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| 24 | *e = ee - 0x3ffe;
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| 25 | u.i.se &= 0x8000;
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| 26 | u.i.se |= 0x3ffe;
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| 27 | return u.f;
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| 28 | }
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| 29 | #endif
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