[Mesa-dev] [PATCH 02/13] gallium/docs: Use squarings

[Alexander Troosh]

---
 src/gallium/docs/source/tgsi.rst |   14 +++++++-------
 1 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/src/gallium/docs/source/tgsi.rst b/src/gallium/docs/source/tgsi.rst
index 9b4a821..bdb4655 100644
--- a/src/gallium/docs/source/tgsi.rst
+++ b/src/gallium/docs/source/tgsi.rst
@@ -491,11 +491,11 @@ while DDY is allowed to be the same for the entire 2x2 quad.
 
 .. math::
 
-  dst.x = 2 \times (src0.x \times src1.x + src0.y \times src1.y + src0.z \times src1.z) / (src0.x \times src0.x + src0.y \times src0.y + src0.z \times src0.z) \times src0.x - src1.x
+  dst.x = 2 \times (src0.x \times src1.x + src0.y \times src1.y + src0.z \times src1.z) / ((src0.x)^2 + (src0.y)^2 + (src0.z)^2) \times src0.x - src1.x
 
-  dst.y = 2 \times (src0.x \times src1.x + src0.y \times src1.y + src0.z \times src1.z) / (src0.x \times src0.x + src0.y \times src0.y + src0.z \times src0.z) \times src0.y - src1.y
+  dst.y = 2 \times (src0.x \times src1.x + src0.y \times src1.y + src0.z \times src1.z) / ((src0.x)^2 + (src0.y)^2 + (src0.z)^2) \times src0.y - src1.y
 
-  dst.z = 2 \times (src0.x \times src1.x + src0.y \times src1.y + src0.z \times src1.z) / (src0.x \times src0.x + src0.y \times src0.y + src0.z \times src0.z) \times src0.z - src1.z
+  dst.z = 2 \times (src0.x \times src1.x + src0.y \times src1.y + src0.z \times src1.z) / ((src0.x)^2 + (src0.y)^2 + (src0.z)^2) \times src0.z - src1.z
 
   dst.w = 1
 
@@ -838,11 +838,11 @@ This instruction replicates its result.
 
 .. math::
 
-  dst.x = src.x / (src.x \times src.x + src.y \times src.y + src.z \times src.z)
+  dst.x = src.x / ((src.x)^2 + (src.y)^2 + (src.z)^2)
 
-  dst.y = src.y / (src.x \times src.x + src.y \times src.y + src.z \times src.z)
+  dst.y = src.y / ((src.x)^2 + (src.y)^2 + (src.z)^2)
 
-  dst.z = src.z / (src.x \times src.x + src.y \times src.y + src.z \times src.z)
+  dst.z = src.z / ((src.x)^2 + (src.y)^2 + (src.z)^2)
 
   dst.w = 1
 
@@ -1894,7 +1894,7 @@ This instruction replicates its result.
 
 .. math::
 
-  dst = \frac{src.x}{src.x \times src.x + src.y \times src.y + src.z \times src.z + src.w \times src.w}
+  dst = \frac{src.x}{(src.x)^2 + (src.y)^2 + (src.z)^2 + (src.w)^2}
 
 
 Interpolation ISA
-- 
1.7.3.4