[Issue 7691] New: A pure std.math.floor
d-bugmail at puremagic.com
d-bugmail at puremagic.com
Sun Mar 11 14:12:27 PDT 2012
http://d.puremagic.com/issues/show_bug.cgi?id=7691
Summary: A pure std.math.floor
Product: D
Version: D2
Platform: x86
OS/Version: Windows
Status: NEW
Keywords: rejects-valid
Severity: enhancement
Priority: P2
Component: Phobos
AssignedTo: nobody at puremagic.com
ReportedBy: bearophile_hugs at eml.cc
--- Comment #0 from bearophile_hugs at eml.cc 2012-03-11 14:12:35 PDT ---
import std.math: floor;
pure void main() {
enum double x = floor(2.3);
}
DMD 2.059head gives:
test.d(3): Error: pure function 'main' cannot call impure function 'floor'
...\dmd2\src\phobos\std\math.d(1917): Error: floorl cannot be interpreted at
compile time, because it has no available source code
test.d(3): called from here: floor(2.3L)
So there are two problems here, floor is not pure and it can't run at
compile-time.
std.math.fmod() too isn't pure.
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