From f9b1e5241facc8cf255c258082d5cb5b04783e93 Mon Sep 17 00:00:00 2001 From: Brian Paul Date: Tue, 4 Mar 2003 16:33:53 +0000 Subject: added _mesa_inv_sqrtf() and INV_SQRTF() (Josh Vanderhoof) --- src/mesa/swrast/s_span.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) (limited to 'src/mesa/swrast/s_span.c') diff --git a/src/mesa/swrast/s_span.c b/src/mesa/swrast/s_span.c index d408151803..2106b87c5b 100644 --- a/src/mesa/swrast/s_span.c +++ b/src/mesa/swrast/s_span.c @@ -1,4 +1,4 @@ -/* $Id: s_span.c,v 1.56 2003/03/01 01:50:26 brianp Exp $ */ +/* $Id: s_span.c,v 1.57 2003/03/04 16:34:03 brianp Exp $ */ /* * Mesa 3-D graphics library @@ -309,8 +309,8 @@ compute_lambda(GLfloat dsdx, GLfloat dsdy, GLfloat dtdx, GLfloat dtdy, GLfloat dvdx = texH * ((t + dtdx) / (q + dqdx) - t * invQ); GLfloat dudy = texW * ((s + dsdy) / (q + dqdy) - s * invQ); GLfloat dvdy = texH * ((t + dtdy) / (q + dqdy) - t * invQ); - GLfloat x = sqrt(dudx * dudx + dvdx * dvdx); - GLfloat y = sqrt(dudy * dudy + dvdy * dvdy); + GLfloat x = SQRTF(dudx * dudx + dvdx * dvdx); + GLfloat y = SQRTF(dudy * dudy + dvdy * dvdy); GLfloat rho = MAX2(x, y); GLfloat lambda = LOG2(rho); return lambda; -- cgit v1.2.3