BloombergLP::bslalg::NumericFormatterUtil::toChars

Declared in <bslalg_numericformatterutil.h>

Write the specified floating point value into the character buffer starting at the specified first and ending at the specified last, last not included, using the specified format with the {Shortest (Textual) Decimal Representation for Binary Floating Point Values} used in that format (that will produce the exact binary floating point value when converted back to the original type from text), but see possible exceptions under {Special Floating Point Values}. Return the address one past the last character (lowest order digit or last digit of the exponent) written on success, or 0 on failure. The only reason for failure is when the range [ first, last )] is not large enough to contain the result. The written result is to begin at first with leftover room following the return value. The behavior is undefined unless first <= last. Note that these functions do not null‐terminate the result.

pointer past the last character written, or null on failure

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