Re: Compiler gets confused with ambiguity when `int` matches both `real` and `float`.

[Muld via Digitalmars-d-learn]

On Saturday, 23 December 2017 at 07:25:34 UTC, IM wrote:

The following expression:

import std.math : sqrt;
sqrt(400);

produces the following compiler error:

std.math.sqrt called with argument types (int) matches both:
/usr/include/dmd/phobos/std/math.d(1592,7): 
std.math.sqrt(float x)

and:
/usr/include/dmd/phobos/std/math.d(1598,6): 
std.math.sqrt(real x)


Shouldn't it just pick one according to some defined rules?


C++ complains the same between float and double. Just put 400.0f 
or whatever precision you want to use. I think it's better that 
it doesn't just pick one.

Compiler gets confused with ambiguity when `int` matches both `real` and `float`.

[IM via Digitalmars-d-learn]

The following expression:

import std.math : sqrt;
sqrt(400);

produces the following compiler error:

std.math.sqrt called with argument types (int) matches both:
/usr/include/dmd/phobos/std/math.d(1592,7): 
std.math.sqrt(float x)

and:
/usr/include/dmd/phobos/std/math.d(1598,6): 
std.math.sqrt(real x)


Shouldn't it just pick one according to some defined rules?