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Merge pull request #4549 from Nixitov/feat/libc-nearbyintl 

feat(libc): implement nearbyintl
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Adrià 2026-10-12 22:58:29 +02:00 committed by GitHub
parent 14db08435f f1810c89ea
commit 158cdcc9b7
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2 changed files with 16 additions and 0 deletions
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1
core/libs/prx/libc/src/Math.cpp
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@ -181,6 +181,7 @@ int APS5_VABI __isnormal_nid_postfix(double x) { return std::isnormal(x) ? 1 : 0
int APS5_VABI __isnormalf_nid_postfix(float x) { return std::isnormal(x) ? 1 : 0; }
int APS5_VABI __isinff_nid_postfix(float x) { return std::isinf(x) ? 1 : 0; }
float APS5_VABI nearbyintf_nid_postfix(float x) { return std::nearbyintf(x); }
long double APS5_VABI nearbyintl_nid_postfix(long double x) { return std::nearbyint(x); }
double APS5_VABI cbrt_nid_postfix(double x) { return std::cbrt(x); }
double APS5_VABI asin_nid_postfix(double x) {

15
core/libs/tests/GuestMath.cpp
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@ -106,6 +106,7 @@ long double APS5_VABI log10l_nid_postfix(long double);
long double APS5_VABI powl_nid_postfix(long double, long double);
long double APS5_VABI ldexpl_nid_postfix(long double, int);
long double APS5_VABI truncl_nid_postfix(long double);
long double APS5_VABI nearbyintl_nid_postfix(long double);
double APS5_VABI logb_nid_postfix(double);
double APS5_VABI remainder_nid_postfix(double, double);
}
@ -192,6 +193,19 @@ static void CheckLongDouble() {
Require(std::isnan(frexpl_nid_postfix(NAN, &exponent)) && exponent == 77);
}
static void CheckNearbyintl() {
std::feclearexcept(FE_ALL_EXCEPT);
const long double zero = nearbyintl_nid_postfix(0.5L);
Require(zero == 0.0L && !std::signbit(zero));
Require(nearbyintl_nid_postfix(1.5L) == 2.0L && nearbyintl_nid_postfix(2.5L) == 2.0L);
Require(nearbyintl_nid_postfix(2.7L) == 3.0L && nearbyintl_nid_postfix(-2.7L) == -3.0L);
Require(ExtendedBits(nearbyintl_nid_postfix(-0.5L), 0, 0x8000));
Require(nearbyintl_nid_postfix(0x1p200L) == 0x1p200L);
Require(nearbyintl_nid_postfix(INFINITY) == INFINITY && nearbyintl_nid_postfix(-INFINITY) == -INFINITY);
Require(std::isnan(nearbyintl_nid_postfix(NAN)));
Require(std::fetestexcept(FE_INEXACT) == 0);
}
static void CheckFmodErrno() {
errno = 0;
(void)fmod_nid_postfix(1.0, 0.0);
@ -674,6 +688,7 @@ int main() {
CheckExp2Errno();
CheckExactOperations();
CheckLongDouble();
CheckNearbyintl();
CheckAsinl();
Require(scalbn_nid_postfix(0.75, -2) == 0.1875);
Require(scalbnf_nid_postfix(0.75f, 4) == 12.f);