diff options
| author | Brian Paul <brian.paul@tungstengraphics.com> | 2003-03-04 16:33:53 +0000 |
|---|---|---|
| committer | Brian Paul <brian.paul@tungstengraphics.com> | 2003-03-04 16:33:53 +0000 |
| commit | f9b1e5241facc8cf255c258082d5cb5b04783e93 (patch) | |
| tree | ea3bb1859dba42e746b0f14dce5193b81c922ac5 /src/mesa/math | |
| parent | 386578c5bcc5c6701a6b9692cdc04cfe4064ca06 (diff) | |
added _mesa_inv_sqrtf() and INV_SQRTF() (Josh Vanderhoof)
Diffstat (limited to 'src/mesa/math')
| -rw-r--r-- | src/mesa/math/m_norm_tmp.h | 26 |
1 files changed, 13 insertions, 13 deletions
diff --git a/src/mesa/math/m_norm_tmp.h b/src/mesa/math/m_norm_tmp.h index 2da7bbd676..5f24f5a2a2 100644 --- a/src/mesa/math/m_norm_tmp.h +++ b/src/mesa/math/m_norm_tmp.h @@ -1,4 +1,4 @@ -/* $Id: m_norm_tmp.h,v 1.13 2003/03/01 01:50:24 brianp Exp $ */ +/* $Id: m_norm_tmp.h,v 1.14 2003/03/04 16:34:01 brianp Exp $ */ /* * Mesa 3-D graphics library @@ -69,10 +69,10 @@ TAG(transform_normalize_normals)( const GLmatrix *mat, { GLdouble len = tx*tx + ty*ty + tz*tz; if (len > 1e-20) { - GLdouble scale = 1.0F / SQRTF(len); - out[i][0] = (GLfloat) (tx * scale); - out[i][1] = (GLfloat) (ty * scale); - out[i][2] = (GLfloat) (tz * scale); + GLfloat scale = INV_SQRTF(len); + out[i][0] = tx * scale; + out[i][1] = ty * scale; + out[i][2] = tz * scale; } else { out[i][0] = out[i][1] = out[i][2] = 0; @@ -136,10 +136,10 @@ TAG(transform_normalize_normals_no_rot)( const GLmatrix *mat, { GLdouble len = tx*tx + ty*ty + tz*tz; if (len > 1e-20) { - GLdouble scale = 1.0F / SQRTF(len); - out[i][0] = (GLfloat) (tx * scale); - out[i][1] = (GLfloat) (ty * scale); - out[i][2] = (GLfloat) (tz * scale); + GLfloat scale = INV_SQRTF(len); + out[i][0] = tx * scale; + out[i][1] = ty * scale; + out[i][2] = tz * scale; } else { out[i][0] = out[i][1] = out[i][2] = 0; @@ -323,10 +323,10 @@ TAG(normalize_normals)( const GLmatrix *mat, const GLfloat x = from[0], y = from[1], z = from[2]; GLdouble len = x * x + y * y + z * z; if (len > 1e-50) { - len = 1.0F / SQRTF(len); - out[i][0] = (GLfloat) (x * len); - out[i][1] = (GLfloat) (y * len); - out[i][2] = (GLfloat) (z * len); + len = INV_SQRTF(len); + out[i][0] = x * len; + out[i][1] = y * len; + out[i][2] = z * len; } else { out[i][0] = x; |