http://d.puremagic.com/issues/show_bug.cgi?id=3758
Summary: Create D impementation of to!(float, string), etc.
Product: D
Version: 2.040
Platform: Other
OS/Version: Windows
Status: NEW
Keywords: performance
Severity: enhancement
Priority: P2
Component: Phobos
AssignedTo: nob...@puremagic.com
ReportedBy: dsim...@yahoo.com
--- Comment #0 from David Simcha <dsim...@yahoo.com> 2010-01-31 08:14:15 PST ---
std.conv calls the c functions atof, atod, atold, etc. for to!(float, string),
to!(double, string), and to!(real, string) respectively. There are two
practical reasons why we need D implementations of these functions:
1. Strings should be convertible to floats at compile time.
2. To make the input string compatible with C, it is copied using toStringz.
This is inefficient, especially when trying to real large files with ASCII
numbers in and convert the ASCII numbers to floats.
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