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Make is_equal_approx have explicit float and double versions

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This commit is contained in:
Aaron Franke
2021-05-20 06:04:41 -04:00
parent 42b6602f1d
commit b5b6d3a8ec
12 changed files with 72 additions and 46 deletions
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34
core/math/math_funcs.h
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@@ -311,20 +311,20 @@ public:
static float random(float from, float to);
static int random(int from, int to);
static _ALWAYS_INLINE_ bool is_equal_approx(real_t a, real_t b) {
static _ALWAYS_INLINE_ bool is_equal_approx(float a, float 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);
float tolerance = CMP_EPSILON * abs(a);
if (tolerance < CMP_EPSILON) {
tolerance = CMP_EPSILON;
}
return abs(a - b) < tolerance;
}
static _ALWAYS_INLINE_ bool is_equal_approx(real_t a, real_t b, real_t tolerance) {
static _ALWAYS_INLINE_ bool is_equal_approx(float a, float b, float tolerance) {
// Check for exact equality first, required to handle "infinity" values.
if (a == b) {
return true;
@@ -333,7 +333,33 @@ public:
return abs(a - b) < tolerance;
}
static _ALWAYS_INLINE_ bool is_zero_approx(real_t s) {
static _ALWAYS_INLINE_ bool is_zero_approx(float s) {
return abs(s) < CMP_EPSILON;
}
static _ALWAYS_INLINE_ bool is_equal_approx(double a, double b) {
// Check for exact equality first, required to handle "infinity" values.
if (a == b) {
return true;
}
// Then check for approximate equality.
double tolerance = CMP_EPSILON * abs(a);
if (tolerance < CMP_EPSILON) {
tolerance = CMP_EPSILON;
}
return abs(a - b) < tolerance;
}
static _ALWAYS_INLINE_ bool is_equal_approx(double a, double b, double 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;
}
static _ALWAYS_INLINE_ bool is_zero_approx(double s) {
return abs(s) < CMP_EPSILON;
}