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feat(libc): strtoimax and logbf 

Co-Authored-By: Claude <noreply@anthropic.com>
This commit is contained in:
Adrià Franch 2026-10-05 19:22:12 +02:00
parent 0518f0e021
commit ce4bdbf2eb
3 changed files with 18 additions and 0 deletions
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1
core/libs/prx/libc/src/Math.cpp
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@ -13,6 +13,7 @@ float APS5_VABI acosf_nid_postfix(float x) { return std::acos(x); }
float APS5_VABI atan2f_nid_postfix(float y, float x) { return std::atan2(y, x); }
float APS5_VABI tanf_nid_postfix(float x) { return std::tan(x); }
float APS5_VABI log10f_nid_postfix(float x) { return std::log10(x); }
float APS5_VABI logbf_nid_postfix(float x) { return std::logb(x); }
double APS5_VABI exp2_nid_postfix(double x) { return std::exp2(x); }
double APS5_VABI ldexp_nid_postfix(double x, int exponent) { return std::ldexp(x, exponent); }
double APS5_VABI scalbn_nid_postfix(double x, int exponent) { return std::scalbn(x, exponent); }

4
core/libs/prx/libc/src/RuntimeSupport.cpp
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@ -93,6 +93,10 @@ unsigned int APS5_VABI _Atomic_load_4_nid_postfix(volatile unsigned int* target,
return GccAtomicLoad(target);
}
std::intmax_t APS5_VABI strtoimax_nid_postfix(const char* str, char** endptr, int base) {
return std::strtoimax(str, endptr, base);
}
std::uintmax_t APS5_VABI strtoumax_nid_postfix(const char* str, char** endptr, int base) {
return std::strtoumax(str, endptr, base);
}

13
core/libs/tests/GuestMath.cpp
View File

@ -10,6 +10,7 @@ float APS5_VABI strtof_nid_postfix(const char*, char**);
long double APS5_VABI strtold_nid_postfix(const char*, char**);
std::int64_t APS5_VABI strtol_nid_postfix(const char*, char**, int);
std::uint64_t APS5_VABI strtoul_nid_postfix(const char*, char**, int);
std::intmax_t APS5_VABI strtoimax_nid_postfix(const char*, char**, int);
int* APS5_VABI __error_nid_postfix();
float APS5_VABI fmodf_nid_postfix(float, float);
float APS5_VABI asinf_nid_postfix(float);
@ -17,6 +18,7 @@ float APS5_VABI acosf_nid_postfix(float);
float APS5_VABI atan2f_nid_postfix(float, float);
float APS5_VABI tanf_nid_postfix(float);
float APS5_VABI log10f_nid_postfix(float);
float APS5_VABI logbf_nid_postfix(float);
double APS5_VABI exp2_nid_postfix(double);
double APS5_VABI ldexp_nid_postfix(double, int);
double APS5_VABI scalbn_nid_postfix(double, int);
@ -69,6 +71,12 @@ static void CheckIntegerConversions() {
std::fprintf(stderr, "Guest strtol failed for '%s' in base %d\n", test.text, test.base);
std::abort();
}
*__error_nid_postfix() = 0;
const auto maxValue = strtoimax_nid_postfix(test.text, &end, test.base);
if (maxValue != test.value || end != test.text + test.consumed || *__error_nid_postfix() != test.error) {
std::fprintf(stderr, "Guest strtoimax failed for '%s' in base %d\n", test.text, test.base);
std::abort();
}
}
struct UnsignedCase {
const char* text;
@ -134,6 +142,11 @@ int main() {
Require(std::abs(atan2f_nid_postfix(1.f, -1.f) - 2.3561945f) < 0.000001f);
Require(tanf_nid_postfix(0.f) == 0.f);
Require(log10f_nid_postfix(100.f) == 2.f);
Require(logbf_nid_postfix(8.f) == 3.f && logbf_nid_postfix(-0.75f) == -1.f);
Require(logbf_nid_postfix(std::numeric_limits<float>::denorm_min()) == -149.f);
Require(logbf_nid_postfix(0.f) == -std::numeric_limits<float>::infinity());
Require(logbf_nid_postfix(-std::numeric_limits<float>::infinity()) == std::numeric_limits<float>::infinity());
Require(std::isnan(logbf_nid_postfix(std::numeric_limits<float>::quiet_NaN())));
Require(exp2_nid_postfix(-3.) == 0.125);
Require(ldexp_nid_postfix(0.75, 4) == 12.);
Require(scalbn_nid_postfix(0.75, -2) == 0.1875);