Cygnus tools compatibility tweaks.

[simgear.git] / Math / MAT3geom.c

diff --git a/Math/MAT3geom.c b/Math/MAT3geom.c
index 76ebe2e57195fde8ec9a6ff353159a8d2fec755b..93e754b12d0d37d0e2dd93f298ba3a1fec031e7d 100644 (file)
--- a/Math/MAT3geom.c
+++ b/Math/MAT3geom.c
@@ -6,7 +6,7 @@
  * on matrices.
  * -------------------------------------------------------------------------*/
 
-#include "mat3defs.h"
+#include <Math/mat3defs.h>
 
 /* --------------------------  Static Routines ---------------------------- */
 
@@ -20,8 +20,7 @@
  */
 
 void
-MAT3direction_matrix(result_mat, mat)
-register MAT3mat result_mat, mat;
+MAT3direction_matrix(register double (*result_mat)[4], register double (*mat)[4])
 {
    register int i;
 
@@ -45,15 +44,16 @@ register MAT3mat result_mat, mat;
  */
 
 int
-MAT3normal_matrix(result_mat, mat)
-register MAT3mat result_mat, mat;
+MAT3normal_matrix(register double (*result_mat)[4], register double (*mat)[4])
 {
    register int ret;
    MAT3mat     tmp_mat;
 
    MAT3direction_matrix(result_mat, mat);
 
-   if (ret = MAT3invert(tmp_mat, tmp_mat)) MAT3transpose(result_mat, tmp_mat);
+   if ( (ret = MAT3invert(tmp_mat, tmp_mat)) ) {
+       MAT3transpose(result_mat, tmp_mat);
+   }
 
    return(ret);
 }
@@ -64,9 +64,7 @@ register MAT3mat result_mat, mat;
  */
 
 void
-MAT3scale(result_mat, scale)
-MAT3mat result_mat;
-MAT3vec scale;
+MAT3scale(double (*result_mat)[4], double *scale)
 {
    MAT3identity(result_mat);
 
@@ -84,10 +82,7 @@ MAT3vec scale;
 #define SELECT .7071   /* selection constant (roughly .5*sqrt(2) */
 
 void
-MAT3rotate(result_mat, axis, angle_in_radians)
-MAT3mat result_mat;
-MAT3vec axis;
-double angle_in_radians;
+MAT3rotate(double (*result_mat)[4], double *axis, double angle_in_radians)
 {
    MAT3vec     naxis,  /* Axis of rotation, normalized                 */
                base2,  /* 2nd unit basis vec, perp to axis             */
@@ -148,9 +143,7 @@ double      angle_in_radians;
  */
 
 void
-MAT3translate(result_mat, trans)
-MAT3mat result_mat;
-MAT3vec trans;
+MAT3translate(double (*result_mat)[4], double *trans)
 {
    MAT3identity(result_mat);
 
@@ -165,9 +158,7 @@ MAT3vec trans;
  */
 
 void
-MAT3shear(result_mat, xshear, yshear)
-MAT3mat result_mat;
-double xshear, yshear;
+MAT3shear(double (*result_mat)[4], double xshear, double yshear)
 {
    MAT3identity(result_mat);