https://issues.dlang.org/show_bug.cgi?id=7996
RazvanN changed:
What|Removed |Added
CC||razvan.nitu1...@gmail.com
--- Comment #1 from RazvanN ---
(In reply to bearophile_hugs from comment #0)
> std.math.sqrt() refuses an argument of type long (despite this is handy):
>
> import std.math;
> void main() {
> long x;
> sqrt(x);
> }
>
>
>
> With (dmd 2.060alpha):
>
> test.d(4): Error: function std.math.sqrt called with argument types:
> ((long))
> matches both:
> std.math.sqrt(float x)
> and:
> std.math.sqrt(real x)
>
>
>
> While this compiles with no errors:
>
> import std.math;
> void main() {
> long x;
> assert(!isnan(x));
> }
>
>
> Maybe isnan() has to statically refuse arguments that aren't built-in
> floating point (maybe with a std.traits.isFloatingPoint template
> constraint), this avoids some bugs (I have had a bug caused by this).
Actually, the function isnan is deprecated. Instead, the function isNaN has the
constraint isFloatingPoint [1].
Maybe this should be closed?
[1] https://dlang.org/phobos/std_math#.isNaN
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