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Get libc/tinymath/ compiling on aarch64

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Justine Tunney 2023-05-02 18:35:25 -07:00
parent 2b73e72d59
commit 135080fd3e
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GPG key ID: BE714B4575D6E328
243 changed files with 7773 additions and 4027 deletions
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18
libc/tinymath/asinhl.c
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@ -27,6 +27,7 @@
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/math.h"
#include "libc/tinymath/feval.internal.h"
#include "libc/tinymath/internal.h"
#include "libc/tinymath/ldshape.internal.h"
asm(".ident\t\"\\n\\n\
@ -35,6 +36,13 @@ Copyright 2005-2014 Rich Felker, et. al.\"");
asm(".include \"libc/disclaimer.inc\"");
/* clang-format off */
#if LDBL_MANT_DIG == 53 && LDBL_MAX_EXP == 1024
long double asinhl(long double x)
{
return asinh(x);
}
#elif LDBL_MANT_DIG == 64 && LDBL_MAX_EXP == 16384
/**
* Returns inverse hyperbolic sine of 𝑥.
* @define asinh(x) = sign(x)*log(|x|+sqrt(x*x+1)) ~= x - x^3/6 + o(x^5)
@ -60,7 +68,15 @@ long double asinhl(long double x)
x = log1pl(x + x*x/(sqrtl(x*x+1)+1));
} else {
/* |x| < 0x1p-32, raise inexact if x!=0 */
fevall(x + 0x1p120f);
FORCE_EVAL(x + 0x1p120f);
}
return s ? -x : x;
}
#elif LDBL_MANT_DIG == 113 && LDBL_MAX_EXP == 16384
// TODO: broken implementation to make things compile
long double asinhl(long double x)
{
return asinh(x);
}
#endif