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Trying to coerce setlocale to make snprintf use commas as delimiter; the behavior appears to be compiler/platform-specific
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@ -407,21 +407,21 @@ TEST_CASE("regression tests")
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{
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{
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const std::string orig_locale_name(setlocale(LC_ALL, NULL));
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const std::string orig_locale_name(setlocale(LC_ALL, NULL));
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setlocale(LC_NUMERIC, "de_DE");
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setlocale(LC_NUMERIC, "fr_Fr.UTF-8");
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std::array<char, 64> buf;
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std::array<char, 64> buf;
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{
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{
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// verify that snprintf now uses commas as decimal-separator
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// verify that snprintf now uses commas as decimal-separator
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std::snprintf(buf.data(), buf.size(), "%.2f", 3.14);
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std::snprintf(buf.data(), buf.size(), "%.2f", 3.14);
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assert(std::strcmp(buf.data(), "3,14") == 0);
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CHECK(std::strcmp(buf.data(), "3,14") == 0);
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// verify that strtod now uses commas as decimal-separator
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// verify that strtod now uses commas as decimal-separator
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const double d1 = std::strtod(buf.data(), nullptr);
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const double d1 = std::strtod(buf.data(), nullptr);
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assert(d1 == 3.14);
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CHECK(d1 == 3.14);
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// verify that strtod does not understand dots as decimal separator
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// verify that strtod does not understand dots as decimal separator
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const double d2 = std::strtod("3.14", nullptr);
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const double d2 = std::strtod("3.14", nullptr);
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assert(d2 == 3);
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CHECK(d2 == 3);
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}
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}
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const json j1 = json::parse("3.14");
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const json j1 = json::parse("3.14");
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