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Make further progress on non-x86 support

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Justine Tunney 2023-05-08 21:38:30 -07:00
parent aef9a69a60
commit 036b9a0002
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GPG key ID: BE714B4575D6E328
155 changed files with 2307 additions and 653 deletions
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6
libc/tinymath/ceill.c
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@ -35,6 +35,9 @@ Copyright 2005-2014 Rich Felker, et. al.\"");
asm(".include \"libc/disclaimer.inc\"");
// clang-format off
/**
* Returns smallest integral value not less than 𝑥.
*/
long double ceill(long double x) {
#if LDBL_MANT_DIG == 53 && LDBL_MAX_EXP == 1024
return ceil(x);
@ -43,7 +46,6 @@ long double ceill(long double x) {
union ldshape u = {x};
int e = u.i.se & 0x7fff;
long double y;
if (e >= 0x3fff+LDBL_MANT_DIG-1 || x == 0)
return x;
/* y = int(x) - x, where int(x) is an integer neighbor of x */
@ -59,5 +61,7 @@ long double ceill(long double x) {
if (y < 0)
return x + y + 1;
return x + y;
#else
#error "architecture unsupported"
#endif
}