Last change
on this file since 351 was 337, checked in by coas-nagasima, 6 years ago |
ASP3版ECNLを追加
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Property svn:eol-style
set to
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:
849 bytes
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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 sinhl(long double x)
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5 | {
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6 | return sinh(x);
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7 | }
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8 | #elif LDBL_MANT_DIG == 64 && LDBL_MAX_EXP == 16384
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9 | long double sinhl(long double x)
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10 | {
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11 | union ldshape u = {x};
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12 | unsigned ex = u.i.se & 0x7fff;
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13 | long double h, t, absx;
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14 |
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15 | h = 0.5;
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16 | if (u.i.se & 0x8000)
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17 | h = -h;
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18 | /* |x| */
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19 | u.i.se = ex;
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20 | absx = u.f;
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21 |
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22 | /* |x| < log(LDBL_MAX) */
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23 | if (ex < 0x3fff+13 || (ex == 0x3fff+13 && u.i.m>>32 < 0xb17217f7)) {
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24 | t = expm1l(absx);
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25 | if (ex < 0x3fff) {
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26 | if (ex < 0x3fff-32)
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27 | return x;
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28 | return h*(2*t - t*t/(1+t));
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29 | }
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30 | return h*(t + t/(t+1));
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31 | }
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32 |
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33 | /* |x| > log(LDBL_MAX) or nan */
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34 | t = expl(0.5*absx);
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35 | return h*t*t;
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36 | }
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37 | #elif LDBL_MANT_DIG == 113 && LDBL_MAX_EXP == 16384
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38 | // TODO: broken implementation to make things compile
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39 | long double sinhl(long double x)
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40 | {
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41 | return sinh(x);
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42 | }
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43 | #endif
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