normalize: norm == 0.0f to norm < FLT_EPSILON, improving handling of very small vectors to prevent instability and overflow

This commit is contained in:
Recep Aslantas
2024-03-25 02:22:46 +03:00
parent 6a7d03bafb
commit 1de373a9bd
8 changed files with 30 additions and 22 deletions

View File

@@ -241,7 +241,7 @@ TEST_IMPL(GLM_PREFIX, vec2_scale_as) {
GLM(vec2_scale_as)(v1, s, v2);
norm = sqrtf(v1[0] * v1[0] + v1[1] * v1[1]);
if (norm == 0.0f) {
if (norm < FLT_EPSILON) {
ASSERT(test_eq(v1[0], 0.0f))
ASSERT(test_eq(v1[1], 0.0f))
@@ -492,7 +492,7 @@ TEST_IMPL(GLM_PREFIX, vec2_normalize) {
GLM(vec2_normalize)(v2);
norm = sqrtf(v1[0] * v1[0] + v1[1] * v1[1]);
if (norm == 0.0f) {
if (norm < FLT_EPSILON) {
ASSERT(test_eq(v1[0], 0.0f))
ASSERT(test_eq(v1[1], 0.0f))
@@ -519,7 +519,7 @@ TEST_IMPL(GLM_PREFIX, vec2_normalize_to) {
GLM(vec2_normalize_to)(v1, v2);
norm = sqrtf(v1[0] * v1[0] + v1[1] * v1[1]);
if (norm == 0.0f) {
if (norm < FLT_EPSILON) {
ASSERT(test_eq(v1[0], 0.0f))
ASSERT(test_eq(v1[1], 0.0f))