Revision: 54429
http://brlcad.svn.sourceforge.net/brlcad/?rev=54429&view=rev
Author: carlmoore
Date: 2013-02-15 22:03:07 +0000 (Fri, 15 Feb 2013)
Log Message:
-----------
make use of defined constants
Modified Paths:
--------------
brlcad/trunk/src/liboptical/sh_toyota.c
Modified: brlcad/trunk/src/liboptical/sh_toyota.c
===================================================================
--- brlcad/trunk/src/liboptical/sh_toyota.c 2013-02-15 21:52:10 UTC (rev
54428)
+++ brlcad/trunk/src/liboptical/sh_toyota.c 2013-02-15 22:03:07 UTC (rev
54429)
@@ -1653,7 +1653,7 @@
/* to a given luminance. Units: K */
x, y; /* 1931 CIE chromaticity coordinates. */
- sun_alt = 90 - acos(VDOT(Sun, Zenith))*180/M_PI;
+ sun_alt = 90 - acos(VDOT(Sun, Zenith))*RAD2DEG;
lz = zenith_luminance(sun_alt, t_vl);
/* Get luminance distribution */
switch (weather) {
@@ -2176,7 +2176,7 @@
VSETALL(Sky_elmnt, 0.0);
/* Angular spread between vectors used in solid angle integration. */
-#define SPREAD (10*M_PI/180)
+#define SPREAD (10*DEG2RAD)
/* Differential solid angle. */
del_omega = M_PI*sin(SPREAD/2)*sin(SPREAD/2);
@@ -2348,7 +2348,7 @@
/* Direct sunlight contribution. */
direct_sunlight =
- 1./M_PI
+ M_1_PI
* reflectance(ts->wavelength, acos(i_dot_n)*bn_radtodeg,
ts->refl, ts->refl_lines)
* sun_radiance(ts->wavelength, ts->alpha, ts->beta,
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