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9017326e19
The [cmath.syn] p1 wording about additional overloads sufficient to handle any arithmetic types also applies to std::lerp. This adds a new overload of std::lerp that does the required promotions to support arguments of arbitrary arithmetic types. A new __promoted_t alias template is added, which the C++17 function templates std::hypot and std::lerp can use to avoid instantiating the __promote_3 class template. Signed-off-by: Jonathan Wakely <jwakely@redhat.com> libstdc++-v3/ChangeLog: PR libstdc++/101870 * include/c_global/cmath (hypot): Use __promoted_t. (lerp): Add new overload accepting any arithmetic types. * include/ext/type_traits.h (__promoted_t): New alias template. * testsuite/26_numerics/lerp.cc: Moved to... * testsuite/26_numerics/lerp/1.cc: ...here. * testsuite/26_numerics/lerp/constexpr.cc: New test. * testsuite/26_numerics/lerp/version.cc: New test. |
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| gcd | ||
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| inner_product | ||
| iota | ||
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| lerp | ||
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