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Math: Make it possible to use vector for both input and output

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Avoids nasty code all over where such math is required, and
compilers can easily deal with such situation.

Don't prefer questionable micro-optimization which comes with
a cost of nasty actual logic code.
This commit is contained in:
Sergey Sharybin
2019-01-17 15:41:27 +01:00
parent 91697b0fa0
commit cb5302f962
3 changed files with 55 additions and 17 deletions
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42
source/blender/blenlib/intern/math_vector_inline.c
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@@ -142,12 +142,6 @@ MINLINE void copy_v4_v4_char(char r[4], const char a[4])
}
/* short */
MINLINE void zero_v3_int(int r[3])
{
r[0] = 0;
r[1] = 0;
r[2] = 0;
}
MINLINE void copy_v2_v2_short(short r[2], const short a[2])
{
@@ -171,6 +165,13 @@ MINLINE void copy_v4_v4_short(short r[4], const short a[4])
}
/* int */
MINLINE void zero_v3_int(int r[3])
{
r[0] = 0;
r[1] = 0;
r[2] = 0;
}
MINLINE void copy_v2_v2_int(int r[2], const int a[2])
{
r[0] = a[0];
@@ -192,6 +193,35 @@ MINLINE void copy_v4_v4_int(int r[4], const int a[4])
r[3] = a[3];
}
/* double */
MINLINE void zero_v3_db(double r[3])
{
r[0] = 0.0;
r[1] = 0.0;
r[2] = 0.0;
}
MINLINE void copy_v2_v2_db(double r[2], const double a[2])
{
r[0] = a[0];
r[1] = a[1];
}
MINLINE void copy_v3_v3_db(double r[3], const double a[3])
{
r[0] = a[0];
r[1] = a[1];
r[2] = a[2];
}
MINLINE void copy_v4_v4_db(double r[4], const double a[4])
{
r[0] = a[0];
r[1] = a[1];
r[2] = a[2];
r[3] = a[3];
}
/* int <-> float */
MINLINE void round_v2i_v2fl(int r[2], const float a[2])
{