Skip to content

feat(libc): implement __powidf2 #4412

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Closed
Flamingo572 wants to merge 1 commit into from
Closed

feat(libc): implement __powidf2 #4412

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
6 changes: 0 additions & 6 deletions core/libs/prx/libc/Export.cpp
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -26,12 +26,6 @@ int APS5_VABI _ZSt14_Atomic_assertPKcS0__nid_postfix() {
}


APS5_EXPORT("H+8UBOwfScI", libcCyberUnknown08);
std::uint64_t APS5_VABI libcCyberUnknown08(void) {
NotImplemented_nid_no_patch("H+8UBOwfScI");
return 0;
}

APS5_EXPORT("H2e8t5ScQGc", libc___cxa_finalize);
void APS5_VABI libc___cxa_finalize(void* dsoHandle) {
CxaFinalize_nid_no_patch(dsoHandle);
Expand Down
12 changes: 12 additions & 0 deletions core/libs/prx/libc/src/Math.cpp
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -146,6 +146,18 @@ float APS5_VABI __powisf2_nid_postfix(float base, int exponent) {
}
return reciprocal ? 1.0f / result : result;
}
double APS5_VABI __powidf2_nid_postfix(double base, int exponent) {
const bool reciprocal = exponent < 0;
double result = 1.0;
unsigned int magnitude = reciprocal ? 0u - static_cast<unsigned int>(exponent) : static_cast<unsigned int>(exponent);
while (magnitude != 0u) {
if ((magnitude & 1u) != 0u) result *= base;
magnitude >>= 1u;
if (magnitude == 0u) break;
base *= base;
}
return reciprocal ? 1.0 / result : result;
}
float APS5_VABI expf_nid_postfix(float x) { return std::exp(x); }
float APS5_VABI exp2f_nid_postfix(float x) { return std::exp2(x); }
float APS5_VABI logf_nid_postfix(float x) { return std::log(x); }
Expand Down
16 changes: 16 additions & 0 deletions core/libs/tests/GuestMath.cpp
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -58,6 +58,7 @@ double APS5_VABI expm1_nid_postfix(double);
float APS5_VABI logbf_nid_postfix(float);
double APS5_VABI exp2_nid_postfix(double);
float APS5_VABI __powisf2_nid_postfix(float, int);
double APS5_VABI __powidf2_nid_postfix(double, int);
double APS5_VABI ldexp_nid_postfix(double, int);
double APS5_VABI scalbn_nid_postfix(double, int);
float APS5_VABI scalbnf_nid_postfix(float, int);
Expand Down Expand Up @@ -623,6 +624,21 @@ int main() {
Require(std::signbit(__powisf2_nid_postfix(-0.0f, 3)));
Require(std::isinf(__powisf2_nid_postfix(-0.0f, -3)) && std::signbit(__powisf2_nid_postfix(-0.0f, -3)));
Require(__powisf2_nid_postfix(2.0f, -127) == 0x1p-127f);
Require(__powidf2_nid_postfix(2.0, 10) == 1024.0);
Require(__powidf2_nid_postfix(2.0, -10) == 0.0009765625);
Require(__powidf2_nid_postfix(-2.0, 3) == -8.0);
Require(__powidf2_nid_postfix(-2.0, -3) == -0.125);
Require(__powidf2_nid_postfix(-2.0, 4) == 16.0);
Require(__powidf2_nid_postfix(0.0, 0) == 1.0);
Require(__powidf2_nid_postfix(std::numeric_limits<double>::quiet_NaN(), 0) == 1.0);
Require(std::isnan(__powidf2_nid_postfix(std::numeric_limits<double>::quiet_NaN(), 1)));
Require(__powidf2_nid_postfix(-1.0, std::numeric_limits<int>::min()) == 1.0);
Require(__powidf2_nid_postfix(-1.0, std::numeric_limits<int>::max()) == -1.0);
Require(__powidf2_nid_postfix(2.0, std::numeric_limits<int>::min()) == 0.0);
Require(std::isinf(__powidf2_nid_postfix(0.0, -1)));
Require(std::signbit(__powidf2_nid_postfix(-0.0, 3)));
Require(std::isinf(__powidf2_nid_postfix(-0.0, -3)) && std::signbit(__powidf2_nid_postfix(-0.0, -3)));
Require(__powidf2_nid_postfix(2.0, -1023) == 0x1p-1023);
CheckHyperbolic();
CheckHypotSpecialValue();
CheckFmodErrno();
Expand Down
Loading