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17 lines
405 B
C++
17 lines
405 B
C++
// Test for std::to_string/std::from_string for floating-point types.
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#include <charconv>
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#include <iterator>
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int main()
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{
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char z[100];
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auto rt = std::to_chars(std::begin(z), std::end(z), 3.14159L);
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if (rt.ec != std::errc{})
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return 1;
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long double n;
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auto rf = std::from_chars(std::cbegin(z), std::cend(z), n);
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if (rf.ec != std::errc{})
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return 2;
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return (n > 3 and n < 4) ? 0 : 1;
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}
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