ref: be3c7fb217f02c60b51fbec558acdd1a4489a622
parent: b8bdb25c952bcad5fe09c65f8efd7138b40cdb4e
author: Sigrid Solveig Haflínudóttir <[email protected]>
date: Sat Oct 14 20:36:57 EDT 2023
qc: normalize, vlen: increase precision
--- a/pr_cmds.c
+++ b/pr_cmds.c
@@ -330,26 +330,25 @@
*/
void PF_normalize (void)
{- float *value1;
+ float *v;
vec3_t newvalue;
- float new;
+ double ln, a, b, c;
- value1 = G_VECTOR(OFS_PARM0);
-
- new = value1[0] * value1[0] + value1[1] * value1[1] + value1[2]*value1[2];
- new = sqrt(new);
+ v = G_VECTOR(OFS_PARM0);
+ a = v[0];
+ b = v[1];
+ c = v[2];
+ ln = sqrt(a*a + b*b + c*c);
- if (new == 0)
+ if(ln == 0)
newvalue[0] = newvalue[1] = newvalue[2] = 0;
- else
- {- new = 1/new;
- newvalue[0] = value1[0] * new;
- newvalue[1] = value1[1] * new;
- newvalue[2] = value1[2] * new;
+ else{+ newvalue[0] = a / ln;
+ newvalue[1] = b / ln;
+ newvalue[2] = c / ln;
}
-
- VectorCopy (newvalue, G_VECTOR(OFS_RETURN));
+
+ VectorCopy(newvalue, G_VECTOR(OFS_RETURN));
}
/*
@@ -361,15 +360,14 @@
*/
void PF_vlen (void)
{- float *value1;
- float new;
+ float *v;
+ double a, b, c;
- value1 = G_VECTOR(OFS_PARM0);
-
- new = value1[0] * value1[0] + value1[1] * value1[1] + value1[2]*value1[2];
- new = sqrt(new);
-
- G_FLOAT(OFS_RETURN) = new;
+ v = G_VECTOR(OFS_PARM0);
+ a = v[0];
+ b = v[1];
+ c = v[2];
+ G_FLOAT(OFS_RETURN) = sqrt(a*a + b*b + c*c);
}
/*