math/qwtplot3d-qt4, fix build with clang6.

This commit is contained in:
Tobias C. Berner 2018-02-18 08:19:33 +00:00
parent c456a2d6ed
commit 7c75097c04
Notes: svn2git 2021-03-31 03:12:20 +00:00
svn path=/head/; revision=462204

View file

@ -0,0 +1,18 @@
src/qwt3d_lighting.cpp:178:27: error: non-constant-expression cannot be narrowed from type 'double' to
'GLfloat' (aka 'float') in initializer list [-Wc++11-narrowing]
GLfloat lightPos[4] = { lights_[light].shift.x, lights_[light].shift.y, lights_[light].shift.z, 1.0};
^~~~~~~~~~~~~~~~~~~~~~
src/qwt3d_lighting.cpp:178:27: note: insert an explicit cast to silence this issue
--- src/qwt3d_lighting.cpp.orig 2018-02-17 23:11:11 UTC
+++ src/qwt3d_lighting.cpp
@@ -175,7 +175,7 @@ void Plot3D::applyLight(unsigned light)
glRotatef( lights_[light].rot.x-90, 1.0, 0.0, 0.0 );
glRotatef( lights_[light].rot.y , 0.0, 1.0, 0.0 );
glRotatef( lights_[light].rot.z , 0.0, 0.0, 1.0 );
- GLfloat lightPos[4] = { lights_[light].shift.x, lights_[light].shift.y, lights_[light].shift.z, 1.0};
+ GLfloat lightPos[4] = { static_cast<GLfloat>(lights_[light].shift.x), static_cast<GLfloat>(lights_[light].shift.y), static_cast<GLfloat>(lights_[light].shift.z), 1.0};
GLenum le = lightEnum(light);
glLightfv(le, GL_POSITION, lightPos);
}