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std.cfg: Added support for invalidFunctionArg check to tgamma(). (#5850) 

Reference: https://en.cppreference.com/w/cpp/numeric/math/tgamma
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orbitcowboy 2024-01-06 14:59:43 +01:00 committed by GitHub
parent 32cabecca9
commit 71212c7d66
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2 changed files with 33 additions and 0 deletions
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9
cfg/std.cfg
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@ -737,6 +737,7 @@
<not-uninit/>
</arg>
</function>
<!-- https://en.cppreference.com/w/cpp/numeric/math/tgamma -->
<!-- double tgamma(double x); -->
<function name="tgamma,std::tgamma">
<use-retval/>
@ -746,8 +747,11 @@
<leak-ignore/>
<arg nr="1" direction="in">
<not-uninit/>
<!-- If x is zero or a negative integer for which the function is asymptotic, it may cause a pole error (depending on implementation).-->
<valid>!0.0:</valid>
</arg>
</function>
<!-- https://en.cppreference.com/w/cpp/numeric/math/tgamma -->
<!-- float tgammaf(float x); -->
<function name="tgammaf,std::tgammaf">
<use-retval/>
@ -757,8 +761,11 @@
<leak-ignore/>
<arg nr="1" direction="in">
<not-uninit/>
<!-- If x is zero or a negative integer for which the function is asymptotic, it may cause a pole error (depending on implementation).-->
<valid>!0.0:</valid>
</arg>
</function>
<!-- https://en.cppreference.com/w/cpp/numeric/math/tgamma -->
<!-- long double tgammal(long double x); -->
<function name="tgammal,std::tgammal">
<use-retval/>
@ -768,6 +775,8 @@
<leak-ignore/>
<arg nr="1" direction="in">
<not-uninit/>
<!-- If x is zero or a negative integer for which the function is asymptotic, it may cause a pole error (depending on implementation).-->
<valid>!0.0:</valid>
</arg>
</function>
<!-- double trunc(double x); -->

24
test/cfg/std.cpp
View File

@ -2406,6 +2406,30 @@ void invalidFunctionArg_lgamma(float f, double d, long double ld)
(void)lgammal(0.1L);
}
void invalidFunctionArg_tgamma(float f, double d, long double ld)
{
(void)tgamma(d);
// cppcheck-suppress invalidFunctionArg
(void)tgamma(-0.1);
// cppcheck-suppress invalidFunctionArg
(void)tgamma(0.0);
(void)tgamma(0.1);
(void)tgammaf(f);
// cppcheck-suppress invalidFunctionArg
(void)tgammaf(-0.1f);
// cppcheck-suppress invalidFunctionArg
(void)tgammaf(0.0f);
(void)tgammaf(0.1f);
(void)tgammal(ld);
// cppcheck-suppress invalidFunctionArg
(void)tgammal(-0.1L);
// cppcheck-suppress invalidFunctionArg
(void)tgammal(0.0L);
(void)tgammal(0.1L);
}
void uninitvar_lgamma(void)
{
float f;