star-sp

commit 83a0b793d4678574c304f52c203e284af0e06c2c
parent 33b22ac480c1dcbb36c96715a3c75ce4490565ba
Author: Vincent Forest <vincent.forest@meso-star.com>
Date:   Thu,  2 Apr 2020 12:37:36 +0200

Fix the compilation

The fabsf function is not available in C90. Use the RSys absf
alternative instead.

Diffstat:
M
src/ssp.h
 | 
4
++--
M
src/test_ssp_ran_tetrahedron.h
 | 
2
+-

2 files changed, 3 insertions(+), 3 deletions(-)
diff --git a/src/ssp.h b/src/ssp.h
@@ -518,7 +518,7 @@ ssp_ran_tetrahedron_uniform_float_pdf
   f3_sub(vec0, v1, v2);
   f3_sub(vec1, v3, v2);
   f3_sub(vec2, v0, v2);
-  return  6 / fabsf(f3_dot(f3_cross(tmp, vec0, vec1), vec2));
+  return  6.f / absf(f3_dot(f3_cross(tmp, vec0, vec1), vec2));
 }
 
 /*******************************************************************************
@@ -752,7 +752,7 @@ ssp_ran_sphere_hg_float
   float sample_local[3];
   float basis[9];
   ASSERT(-1 <= g && g <= +1 && rng && up && sample && f3_is_normalized(up));
-  if(fabsf(g) == 1) {
+  if(absf(g) == 1) {
     f3_mulf(sample, up, g);
     if(pdf) *pdf = (float)INF;
   } else {
diff --git a/src/test_ssp_ran_tetrahedron.h b/src/test_ssp_ran_tetrahedron.h
@@ -60,7 +60,7 @@
   #define RAN_TETRA_UNIFORM ssp_ran_tetrahedron_uniform_float
   #define RAN_TETRA_UNIFORM_PDF ssp_ran_tetrahedron_uniform_float_pdf
   #define EQ_EPS_R eq_epsf
-  #define FABS_R fabsf
+  #define FABS_R absf
   #define R3 f3
   #define R3_DOT f3_dot
   #define R3_SUB f3_sub