strtof

Синтаксис

									native Float:strtof(const string[], &endPos = 0);
								

The string to parse.

The position of the first character following the number.
On success and when containing only numbers, position is at the end of string, meaning equal to 'string' length.
On failure, position is sets always to 0.

Описание

Parses the 'string' interpreting its content as an floating point number and returns its value as a float. The function also sets the value of 'endPos' to point to the position of the first character after the number. This is the same as C++ strtod function with a difference on second param. The function first discards as many whitespace characters as necessary until the first non-whitespace character is found. Then, starting from this character, takes as many characters as possible that are valid and interprets them as a numerical value. Finally, a position of the first character following the float representation in 'string' is stored in 'endPos'. If the first sequence of non-whitespace characters in 'string' is not a valid float number as defined above, or if no such sequence exists because either 'string' is empty or it contains only whitespace characters, no conversion is performed.

Возвращает

On success, the function returns the converted floating point number as float value. If no valid conversion could be performed, a zero value is returned.