use certain methods from std namespace

6 files changed, 41 insertions, 35 deletions

diff --git a/Extras/InverseDynamics/DillCreator.cpp b/Extras/InverseDynamics/DillCreator.cpp
index 01ecba314..58def0788 100644
--- a/Extras/InverseDynamics/DillCreator.cpp
+++ b/Extras/InverseDynamics/DillCreator.cpp
@@ -109,9 +109,9 @@ int DillCreator::recurseDill(const int level, const int parent, const idScalar d
 			m_body_T_parent_ref[body](i, j) = 0.0;
 		}
 	}
-	const idScalar size_5 = pow(size, 5);
-	m_body_I_body[body](0, 0) = size_5 / 0.2e6;
-	m_body_I_body[body](1, 1) = size_5 * 403 / 1.2e6;
+        const idScalar size_5 = std::pow(size, 5);
+        m_body_I_body[body](0, 0) = size_5 / 0.2e6;
+        m_body_I_body[body](1, 1) = size_5 * 403 / 1.2e6;
 	m_body_I_body[body](2, 2) = m_body_I_body[body](1, 1);
 
 	getVecMatFromDH(0, 0, a_DH_in, alpha_DH_in, &m_parent_r_parent_body_ref[body],
diff --git a/examples/Constraints/ConstraintDemo.cpp b/examples/Constraints/ConstraintDemo.cpp
index e609c36fd..092787f2b 100644
--- a/examples/Constraints/ConstraintDemo.cpp
+++ b/examples/Constraints/ConstraintDemo.cpp
@@ -19,6 +19,7 @@ subject to the following restrictions:
 #include "LinearMath/btIDebugDraw.h"
 
 #include <stdio.h>  //printf debugging
+#include <cmath>
 
 #include "../CommonInterfaces/CommonRigidBodyBase.h"
 
@@ -114,8 +115,8 @@ void AllConstraintDemo::initPhysics()
 	///gear constraint demo
 
 #define THETA SIMD_PI / 4.f
-#define L_1 (2 - tan(THETA))
-#define L_2 (1 / cos(THETA))
+#define L_1 (2 - std::tan(THETA))
+#define L_2 (1 / std::cos(THETA))
 #define RATIO L_2 / L_1
 
 	btRigidBody* bodyA = 0;
diff --git a/examples/ThirdPartyLibs/Gwen/Anim.cpp b/examples/ThirdPartyLibs/Gwen/Anim.cpp
index 4094a492a..9428498c7 100644
--- a/examples/ThirdPartyLibs/Gwen/Anim.cpp
+++ b/examples/ThirdPartyLibs/Gwen/Anim.cpp
@@ -5,8 +5,9 @@
 */
 
 #include "Gwen/Anim.h"
-#include "Gwen/Utility.h"
 #include <math.h>
+#include <cmath>
+#include "Gwen/Utility.h"
 
 using namespace Gwen;
 
@@ -123,13 +124,12 @@ void Gwen::Anim::TimedAnimation::Think()
 	if (fDelta < 0.0f) fDelta = 0.0f;
 	if (fDelta > 1.0f) fDelta = 1.0f;
 
-	Run(pow(fDelta, m_fEase));
+        Run(std::pow(fDelta, m_fEase));
 
-	if (fDelta == 1.0f)
-	{
-		m_bFinished = true;
-		OnFinish();
-	}
+        if (fDelta == 1.0f) {
+          m_bFinished = true;
+          OnFinish();
+        }
 }
 
 bool Gwen::Anim::TimedAnimation::Finished()
diff --git a/examples/ThirdPartyLibs/Gwen/Controls/TextBox.cpp b/examples/ThirdPartyLibs/Gwen/Controls/TextBox.cpp
index 14ac064bd..fe161ab35 100644
--- a/examples/ThirdPartyLibs/Gwen/Controls/TextBox.cpp
+++ b/examples/ThirdPartyLibs/Gwen/Controls/TextBox.cpp
@@ -11,6 +11,7 @@
 #include "Gwen/Platform.h"
 
 #include <math.h>
+#include <cmath>
 
 using namespace Gwen;
 using namespace Gwen::Controls;
@@ -89,9 +90,10 @@ void TextBox::Render(Skin::Base* skin)
 	}
 
 	// Draw caret
-	if (fmod(Gwen::Platform::GetTimeInSeconds() - m_fLastInputTime, 1.0f) > 0.5f)
-		skin->GetRender()->SetDrawColor(Gwen::Color(255, 255, 255, 255));
-	else
+        if (std::fmod(Gwen::Platform::GetTimeInSeconds() - m_fLastInputTime,
+                      1.0f) > 0.5f)
+          skin->GetRender()->SetDrawColor(Gwen::Color(255, 255, 255, 255));
+        else
 		skin->GetRender()->SetDrawColor(Gwen::Color(0, 0, 0, 255));
 
 	skin->GetRender()->DrawFilledRect(m_rectCaretBounds);
diff --git a/examples/TinyRenderer/TinyRenderer.cpp b/examples/TinyRenderer/TinyRenderer.cpp
index 06984b6e8..eecc42577 100644
--- a/examples/TinyRenderer/TinyRenderer.cpp
+++ b/examples/TinyRenderer/TinyRenderer.cpp
@@ -1,20 +1,21 @@
 #include "TinyRenderer.h"
 
-#include <vector>
-#include <limits>
+#include <cmath>
 #include <iostream>
-#include "tgaimage.h"
-#include "model.h"
-#include "geometry.h"
-#include "our_gl.h"
+#include <limits>
+#include <vector>
+#include "../CommonInterfaces/CommonFileIOInterface.h"
+#include "../OpenGLWindow/ShapeData.h"
+#include "../Utils/b3BulletDefaultFileIO.h"
 #include "../Utils/b3ResourcePath.h"
+#include "Bullet3Common/b3Logging.h"
 #include "Bullet3Common/b3MinMax.h"
-#include "../OpenGLWindow/ShapeData.h"
 #include "LinearMath/btAlignedObjectArray.h"
 #include "LinearMath/btVector3.h"
-#include "Bullet3Common/b3Logging.h"
-#include "../CommonInterfaces/CommonFileIOInterface.h"
-#include "../Utils/b3BulletDefaultFileIO.h"
+#include "geometry.h"
+#include "model.h"
+#include "our_gl.h"
+#include "tgaimage.h"
 
 struct DepthShader : public IShader
 {
@@ -161,10 +162,11 @@ struct Shader : public IShader
 		Vec2f uv = varying_uv * bar;
 
 		Vec3f reflection_direction = (bn * (bn * m_light_dir_local * 2.f) - m_light_dir_local).normalize();
-		float specular = pow(b3Max(reflection_direction.z, 0.f), m_model->specular(uv));
-		float diffuse = b3Max(0.f, bn * m_light_dir_local);
+                float specular = std::pow(b3Max(reflection_direction.z, 0.f),
+                                          m_model->specular(uv));
+                float diffuse = b3Max(0.f, bn * m_light_dir_local);
 
-		color = m_model->diffuse(uv);
+                color = m_model->diffuse(uv);
 		color[0] *= m_colorRGBA[0];
 		color[1] *= m_colorRGBA[1];
 		color[2] *= m_colorRGBA[2];
diff --git a/examples/TinyRenderer/model.cpp b/examples/TinyRenderer/model.cpp
index 16188526d..664765f12 100644
--- a/examples/TinyRenderer/model.cpp
+++ b/examples/TinyRenderer/model.cpp
@@ -1,10 +1,11 @@
 
-#include <iostream>
+#include "model.h"
+#include <string.h>  // memcpy
+#include <cmath>
 #include <fstream>
+#include <iostream>
 #include <sstream>
-#include "model.h"
 #include "Bullet3Common/b3Logging.h"
-#include <string.h>  // memcpy
 Model::Model(const char *filename) : verts_(), faces_(), norms_(), uv_(), diffusemap_(), normalmap_(), specularmap_()
 {
 	std::ifstream in;
@@ -159,10 +160,10 @@ TGAColor Model::diffuse(Vec2f uvf)
 		//		bool repeat = true;
 		//		if (repeat)
 		{
-			uvf[0] = modf(uvf[0], &val);
-			uvf[1] = modf(uvf[1], &val);
-		}
-		Vec2i uv(uvf[0] * diffusemap_.get_width(), uvf[1] * diffusemap_.get_height());
+                  uvf[0] = std::modf(uvf[0], &val);
+                  uvf[1] = std::modf(uvf[1], &val);
+                }
+                Vec2i uv(uvf[0] * diffusemap_.get_width(), uvf[1] * diffusemap_.get_height());
 		return diffusemap_.get(uv[0], uv[1]);
 	}
 	return TGAColor(255, 255, 255, 255);