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fast_float Overview

Implementation of the C++ from_chars functions for number types

The fast_float library provides fast header-only implementations for the C++ from_chars functions for float and double types as well as integer types. These functions convert ASCII strings representing decimal values (e.g., 1.3e10) into binary types. We provide exact rounding (including round to even). In our experience, these fast_float functions many times faster than comparable number-parsing functions from existing C++ standard libraries. It parses the character sequence [first,last) for a number. It parses floating-point numbers expecting a locale-independent format equivalent to the C++17 from_chars function. The resulting floating-point value is the closest floating-point value (using either float or double), using the "round to even" convention for values that would otherwise fall right in between two values. That is, we provide exact parsing according to the IEEE standard.

Additional Details for fast_float

Programming Language

C++

Registered

2024-07-08

Last Updated

1 day ago

Maintainers

sf-editor1

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fast_float

Implementation of the C++ from_chars functions for number types

Additional Details for fast_float

Programming Language

Registered

Last Updated

Categories

Maintainers

Keep Me Updated!