blender
/
blender
137
416
Fork 599
Code Issues 6.3k Pull Requests 774 Projects 19 Wiki Activity

BLI math vec: add 'abs' functions to get absolute values of a vector. 

Unseful when handling e.g. scale, sometimes.
This commit is contained in:
Bastien Montagne 2015-03-17 18:13:35 +01:00
parent 948bc66a00
commit 6ceb84c217
2 changed files with 49 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
source/blender/blenlib/BLI_math_vector.h
View File

@ -146,6 +146,13 @@ MINLINE void negate_v4_v4(float r[4], const float a[3]);
MINLINE void negate_v3_short(short r[3]);
MINLINE void abs_v2(float r[2]);
MINLINE void abs_v2_v2(float r[2], const float a[2]);
MINLINE void abs_v3(float r[3]);
MINLINE void abs_v3_v3(float r[3], const float a[3]);
MINLINE void abs_v4(float r[4]);
MINLINE void abs_v4_v4(float r[4], const float a[4]);
MINLINE float dot_v2v2(const float a[2], const float b[2]) ATTR_WARN_UNUSED_RESULT;
MINLINE float dot_v3v3(const float a[3], const float b[3]) ATTR_WARN_UNUSED_RESULT;
MINLINE float dot_v3v3v3(const float p[3], const float a[3], const float b[3]) ATTR_WARN_UNUSED_RESULT;

42
source/blender/blenlib/intern/math_vector_inline.c
View File

@ -611,6 +611,48 @@ MINLINE void negate_v3_short(short r[3])
r[2] = (short)-r[2];
}
MINLINE void abs_v2(float r[2])
{
r[0] = fabs(r[0]);
r[1] = fabs(r[1]);
}
MINLINE void abs_v2_v2(float r[2], const float a[2])
{
r[0] = fabs(a[0]);
r[1] = fabs(a[1]);
}
MINLINE void abs_v3(float r[3])
{
r[0] = fabs(r[0]);
r[1] = fabs(r[1]);
r[2] = fabs(r[2]);
}
MINLINE void abs_v3_v3(float r[3], const float a[3])
{
r[0] = fabs(a[0]);
r[1] = fabs(a[1]);
r[2] = fabs(a[2]);
}
MINLINE void abs_v4(float r[4])
{
r[0] = fabs(r[0]);
r[1] = fabs(r[1]);
r[2] = fabs(r[2]);
r[3] = fabs(r[3]);
}
MINLINE void abs_v4_v4(float r[4], const float a[4])
{
r[0] = fabs(a[0]);
r[1] = fabs(a[1]);
r[2] = fabs(a[2]);
r[3] = fabs(a[3]);
}
MINLINE float dot_v2v2(const float a[2], const float b[2])
{
return a[0] * b[0] + a[1] * b[1];