1 files changed, 32 insertions, 17 deletions

diff --git a/source/blender/blenlib/intern/math_vector_inline.c b/source/blender/blenlib/intern/math_vector_inline.c
index 8e5040d983b..ce5d9657c7f 100644
--- a/source/blender/blenlib/intern/math_vector_inline.c
+++ b/source/blender/blenlib/intern/math_vector_inline.c
@@ -771,61 +771,76 @@ MINLINE void normal_float_to_short_v3(short out[3], const float in[3])
 /********************************* Comparison ********************************/
 
 
-MINLINE int is_zero_v2(const float v[2])
+MINLINE bool is_zero_v2(const float v[2])
 {
 	return (v[0] == 0 && v[1] == 0);
 }
 
-MINLINE int is_zero_v3(const float v[3])
+MINLINE bool is_zero_v3(const float v[3])
 {
 	return (v[0] == 0 && v[1] == 0 && v[2] == 0);
 }
 
-MINLINE int is_zero_v4(const float v[4])
+MINLINE bool is_zero_v4(const float v[4])
 {
 	return (v[0] == 0 && v[1] == 0 && v[2] == 0 && v[3] == 0);
 }
 
-MINLINE int is_one_v3(const float v[3])
+MINLINE bool is_finite_v2(const float v[2])
+{
+	return (finite(v[0]) && finite(v[1]));
+}
+
+MINLINE bool is_finite_v3(const float v[3])
+{
+	return (finite(v[0]) && finite(v[1]) && finite(v[2]));
+}
+
+MINLINE bool is_finite_v4(const float v[4])
+{
+	return (finite(v[0]) && finite(v[1]) && finite(v[2]) && finite(v[3]));
+}
+
+MINLINE bool is_one_v3(const float v[3])
 {
 	return (v[0] == 1 && v[1] == 1 && v[2] == 1);
 }
 
-MINLINE int equals_v2v2(const float v1[2], const float v2[2])
+MINLINE bool equals_v2v2(const float v1[2], const float v2[2])
 {
 	return ((v1[0] == v2[0]) && (v1[1] == v2[1]));
 }
 
-MINLINE int equals_v3v3(const float v1[3], const float v2[3])
+MINLINE bool equals_v3v3(const float v1[3], const float v2[3])
 {
 	return ((v1[0] == v2[0]) && (v1[1] == v2[1]) && (v1[2] == v2[2]));
 }
 
-MINLINE int equals_v4v4(const float v1[4], const float v2[4])
+MINLINE bool equals_v4v4(const float v1[4], const float v2[4])
 {
 	return ((v1[0] == v2[0]) && (v1[1] == v2[1]) && (v1[2] == v2[2]) && (v1[3] == v2[3]));
 }
 
-MINLINE int compare_v2v2(const float v1[2], const float v2[2], const float limit)
+MINLINE bool compare_v2v2(const float v1[2], const float v2[2], const float limit)
 {
 	if (fabsf(v1[0] - v2[0]) < limit)
 		if (fabsf(v1[1] - v2[1]) < limit)
-			return 1;
+			return true;
 
-	return 0;
+	return false;
 }
 
-MINLINE int compare_v3v3(const float v1[3], const float v2[3], const float limit)
+MINLINE bool compare_v3v3(const float v1[3], const float v2[3], const float limit)
 {
 	if (fabsf(v1[0] - v2[0]) < limit)
 		if (fabsf(v1[1] - v2[1]) < limit)
 			if (fabsf(v1[2] - v2[2]) < limit)
-				return 1;
+				return true;
 
-	return 0;
+	return false;
 }
 
-MINLINE int compare_len_v3v3(const float v1[3], const float v2[3], const float limit)
+MINLINE bool compare_len_v3v3(const float v1[3], const float v2[3], const float limit)
 {
 	float x, y, z;
 
@@ -836,15 +851,15 @@ MINLINE int compare_len_v3v3(const float v1[3], const float v2[3], const float l
 	return ((x * x + y * y + z * z) < (limit * limit));
 }
 
-MINLINE int compare_v4v4(const float v1[4], const float v2[4], const float limit)
+MINLINE bool compare_v4v4(const float v1[4], const float v2[4], const float limit)
 {
 	if (fabsf(v1[0] - v2[0]) < limit)
 		if (fabsf(v1[1] - v2[1]) < limit)
 			if (fabsf(v1[2] - v2[2]) < limit)
 				if (fabsf(v1[3] - v2[3]) < limit)
-					return 1;
+					return true;
 
-	return 0;
+	return false;
 }
 
 MINLINE float line_point_side_v2(const float l1[2], const float l2[2], const float pt[2])