godotengine/godot
1
0
Fork 0
mirror of https://github.com/godotengine/godot.git synced 2026-01-04 19:21:46 +00:00
Code Releases Wiki Activity

Check for exact equality before approximate equality

Browse Source
This commit is contained in:
Aaron Franke
2019-09-01 13:57:04 -04:00
parent 62c0185cb3
commit f8b4cf0fc4
3 changed files with 21 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

10
core/math/math_funcs.h
View File

@@ -300,6 +300,11 @@ public:
}
static _ALWAYS_INLINE_ bool is_equal_approx(real_t a, real_t b) {
// Check for exact equality first, required to handle "infinity" values.
if (a == b) {
return true;
}
// Then check for approximate equality.
real_t tolerance = CMP_EPSILON * abs(a);
if (tolerance < CMP_EPSILON) {
tolerance = CMP_EPSILON;
@@ -308,6 +313,11 @@ public:
}
static _ALWAYS_INLINE_ bool is_equal_approx(real_t a, real_t b, real_t tolerance) {
// Check for exact equality first, required to handle "infinity" values.
if (a == b) {
return true;
}
// Then check for approximate equality.
return abs(a - b) < tolerance;
}

5
modules/mono/glue/Managed/Files/Mathf.cs
View File

@@ -158,6 +158,11 @@ namespace Godot
public static bool IsEqualApprox(real_t a, real_t b)
{
// Check for exact equality first, required to handle "infinity" values.
if (a == b) {
return true;
}
// Then check for approximate equality.
real_t tolerance = Epsilon * Abs(a);
if (tolerance < Epsilon) {
tolerance = Epsilon;

7
modules/mono/glue/Managed/Files/MathfEx.cs
View File

@@ -48,7 +48,12 @@ namespace Godot
public static bool IsEqualApprox(real_t a, real_t b, real_t tolerance)
{
// Check for exact equality first, required to handle "infinity" values.
if (a == b) {
return true;
}
// Then check for approximate equality.
return Abs(a - b) < tolerance;
}
}
}
}