diff --git a/include/SSystem/SComponent/c_lib.h b/include/SSystem/SComponent/c_lib.h
index 20f531cd1..948949fd6 100644
--- a/include/SSystem/SComponent/c_lib.h
+++ b/include/SSystem/SComponent/c_lib.h
@@ -6,7 +6,7 @@
 #include "dolphin/mtx/mtx.h"
 
 inline bool cLib_IsZero(f32 value) {
-    return fabsf(value) < 8e-11f;
+    return std::fabsf(value) < 8e-11f;
 }
 
 void cLib_memCpy(void* dst, const void* src, unsigned long size);
diff --git a/include/SSystem/SComponent/c_m3d.h b/include/SSystem/SComponent/c_m3d.h
index 9db56183b..7c5cff5cd 100644
--- a/include/SSystem/SComponent/c_m3d.h
+++ b/include/SSystem/SComponent/c_m3d.h
@@ -89,11 +89,7 @@ void cM3d_CrawVec(const Vec&, const Vec&, Vec*);
 void cM3d_UpMtx_Base(const Vec&, const Vec&, MtxP);
 
 inline bool cM3d_IsZero(f32 f) {
-    return fabsf(f) < G_CM3D_F_ABS_MIN;
-}
-// this is the inline cM3d_IsZero but inverted. Sometimes this will get a match where the regular cM3d_IsZero inline won't
-inline bool cM3d_IsZero_inverted(f32 param_0) {
-    return !(fabsf(param_0) < G_CM3D_F_ABS_MIN);
+    return std::fabsf(f) < G_CM3D_F_ABS_MIN;
 }
 
 inline void cM3d_VectorProduct(const Vec* p01, const Vec* p02, Vec* pDst) {
diff --git a/src/JSystem/JParticle/JPAMath.cpp b/src/JSystem/JParticle/JPAMath.cpp
index bffd95e8b..efeb0f1a3 100644
--- a/src/JSystem/JParticle/JPAMath.cpp
+++ b/src/JSystem/JParticle/JPAMath.cpp
@@ -8,8 +8,8 @@
 #include "JSystem/JMath/JMATrigonometric.h"
 #include "dolphin/types.h"
 
-static void dummy() {
-    fabsf(1.0f);
+static f32 dummy() {
+    return 1.0f;
 }
 
 /* 8025991C-802599A0       .text JPAGetYZRotateMtx__FssPA4_f */
diff --git a/src/PowerPC_EABI_Support/MSL/MSL_C/MSL_Common/Include/math.h b/src/PowerPC_EABI_Support/MSL/MSL_C/MSL_Common/Include/math.h
index 61dac6202..138b8eb95 100644
--- a/src/PowerPC_EABI_Support/MSL/MSL_C/MSL_Common/Include/math.h
+++ b/src/PowerPC_EABI_Support/MSL/MSL_C/MSL_Common/Include/math.h
@@ -32,12 +32,6 @@ extern float __fabsf(float);
 inline double fabs(double f) {
     return __fabs(f);
 }
-inline double fabsf2(float f) {
-    return __fabsf(f);
-}
-inline float fabsf(float f) {
-    return fabsf2(f);
-}
 
 double floor(double);
 double fmod(double, double);
@@ -107,6 +101,12 @@ inline float i_cosf(float x) {
 
 #ifdef __cplusplus
 };
+
+
+namespace std {
+inline float fabsf(float f) { return fabs(f); }
+inline float abs(float f) { return fabsf(f); }
+}; // namespace std
 #endif
 
 #endif
diff --git a/src/SSystem/SComponent/c_bg_w.cpp b/src/SSystem/SComponent/c_bg_w.cpp
index 7434ca68c..c937f0773 100644
--- a/src/SSystem/SComponent/c_bg_w.cpp
+++ b/src/SSystem/SComponent/c_bg_w.cpp
@@ -152,7 +152,6 @@ void cBgW::ClassifyPlane() {
         return;
 
     s32 i = 0;
-    f32 eps = G_CM3D_F_ABS_MIN;
 
     int roof, wall, ground;
     for (; i < pm_bgd->m_b_num; i++) {
@@ -174,9 +173,8 @@ void cBgW::ClassifyPlane() {
         for (s32 j = startTri; j <= lastTri; j++) {
             cBgW_TriElm* tri_elm = &pm_tri[j];
 
-            /* cM3d_isZero */
-            f32 ny = tri_elm->m_plane.mNormal.y;
-            if (fabsf(tri_elm->m_plane.mNormal.x) < eps && fabsf(tri_elm->m_plane.mNormal.y) < eps && fabsf(tri_elm->m_plane.mNormal.z) < eps)
+            f32 ny = tri_elm->m_plane.GetNP()->y;
+            if (cM3d_IsZero(tri_elm->m_plane.GetNP()->x) && cM3d_IsZero(tri_elm->m_plane.GetNP()->y) && cM3d_IsZero(tri_elm->m_plane.GetNP()->z))
                 continue;
 
             if (cBgW_CheckBGround(ny)) {
diff --git a/src/SSystem/SComponent/c_cc_s.cpp b/src/SSystem/SComponent/c_cc_s.cpp
index 31f5b9111..d6f1fc1dd 100644
--- a/src/SSystem/SComponent/c_cc_s.cpp
+++ b/src/SSystem/SComponent/c_cc_s.cpp
@@ -260,7 +260,7 @@ void cCcS::SetPosCorrect(cCcD_Obj* obj1, cXyz* ppos1, cCcD_Obj* obj2, cXyz* ppos
     if (obj1->GetStts()->GetActor() != NULL && obj1->GetStts()->GetActor() == obj2->GetStts()->GetActor()) {
         return;
     }
-    if (fabsf(cross_len) < (1.0f / 125.0f)) {
+    if (std::fabsf(cross_len) < (1.0f / 125.0f)) {
         return;
     }
     
diff --git a/src/SSystem/SComponent/c_lib.cpp b/src/SSystem/SComponent/c_lib.cpp
index 56f48ba28..338eef7c6 100644
--- a/src/SSystem/SComponent/c_lib.cpp
+++ b/src/SSystem/SComponent/c_lib.cpp
@@ -50,7 +50,7 @@ f32 cLib_addCalc(f32* pValue, f32 target, f32 scale, f32 maxStep, f32 minStep) {
             }
         }
     }
-    return fabsf(target - *pValue);
+    return std::fabsf(target - *pValue);
 }
 
 /* 802529A4-802529E8       .text cLib_addCalc2__FPffff */
diff --git a/src/SSystem/SComponent/c_m3d.cpp b/src/SSystem/SComponent/c_m3d.cpp
index 63c212477..2d86f81b4 100644
--- a/src/SSystem/SComponent/c_m3d.cpp
+++ b/src/SSystem/SComponent/c_m3d.cpp
@@ -130,7 +130,7 @@ f32 cM3d_SignedLenPlaAndPos(const cM3dGPla* plane, const Vec* pos) {
 void cM3d_CalcPla(const Vec* p0, const Vec* p1, const Vec* p2, Vec* pDst, f32* pT) {
     cM3d_VectorProduct(p0, p1, p2, pDst);
     f32 t = VECMag(pDst);
-    if (fabsf(t) >= 0.02f) {
+    if (std::fabsf(t) >= 0.02f) {
         VECScale(pDst, pDst, 1.0f / t);
         *pT = -VECDotProduct(pDst, p0);
     } else {
@@ -232,7 +232,7 @@ int cM3d_Check_LinLin(const cM3dGLin* lin_a, const cM3dGLin* lin_b, f32* dst_a,
         f32 tmpF = -VECDotProduct(&linAVec, &linBVec);
         f32 tmpF2 = VECDotProduct(&tmp, &linAVec);
         VECSquareMag(&tmp);  // result not used
-        f32 tmpF3 = fabsf(1.0f - (tmpF * tmpF));
+        f32 tmpF3 = std::fabsf(1.0f - (tmpF * tmpF));
         if (!cM3d_IsZero(tmpF3)) {
             f32 tmpF4 = -VECDotProduct(&tmp, &linBVec);
             f32 tmpF7 = 1.0f / tmpF3;
@@ -424,9 +424,9 @@ bool cM3d_Cross_LinTri(const cM3dGLin* lin, const cM3dGTri* tri, Vec* dst, bool
     if (!cM3d_Cross_LinPla(lin, tri, dst, a, b)) {
         return false;
     }
-    if ((fabsf(tri->GetNP()->x) < 0.008f || cM3d_CrossX_Tri(tri, dst)) &&
-        (fabsf(tri->GetNP()->y) < 0.008f || cM3d_CrossY_Tri(tri, dst)) &&
-        (fabsf(tri->GetNP()->z) < 0.008f || cM3d_CrossZ_Tri(tri, dst))
+    if ((std::fabsf(tri->GetNP()->x) < 0.008f || cM3d_CrossX_Tri(tri, dst)) &&
+        (std::fabsf(tri->GetNP()->y) < 0.008f || cM3d_CrossY_Tri(tri, dst)) &&
+        (std::fabsf(tri->GetNP()->z) < 0.008f || cM3d_CrossZ_Tri(tri, dst))
     ) {
         return true;
     } else {
@@ -658,9 +658,9 @@ int cM3d_2PlaneCrossLine(const cM3dGPla& pPlaneA, const cM3dGPla& pPlaneB, cM3dG
     if (cM3d_IsZero(tmp.x) && cM3d_IsZero(tmp.y) && cM3d_IsZero(tmp.z)) {
         return 0;
     } else {
-        f32 absTX = fabsf(tmp.x);
-        f32 absTY = fabsf(tmp.y);
-        f32 absTZ = fabsf(tmp.z);
+        f32 absTX = std::fabsf(tmp.x);
+        f32 absTY = std::fabsf(tmp.y);
+        f32 absTZ = std::fabsf(tmp.z);
         if (absTX >= absTY && absTX >= absTZ) {
             cM3d_PlaneCrossLineProcWork(pPlaneA.GetNP()->y, pPlaneA.GetNP()->z, pPlaneB.GetNP()->y,
                                         pPlaneB.GetNP()->z, tmp.x, pPlaneA.GetD(), pPlaneB.GetD(),
@@ -753,7 +753,7 @@ int cM3d_2PlaneLinePosNearPos(const cM3dGPla& p0, const cM3dGPla& p1, const Vec*
 /* 80251C44-80251CC4       .text cM3d_CrawVec__FRC3VecRC3VecP3Vec */
 void cM3d_CrawVec(const Vec& v0, const Vec& v1, Vec* pDst) {
     Vec tmp;
-    f32 sq = fabsf(v1.x * v0.x + v1.y * v0.y + v1.z * v0.z);
+    f32 sq = std::fabsf(v1.x * v0.x + v1.y * v0.y + v1.z * v0.z);
     VECScale(&v0, &tmp, sq);
     VECAdd(&tmp, &v1, pDst);
 }
diff --git a/src/SSystem/SComponent/c_math.cpp b/src/SSystem/SComponent/c_math.cpp
index f959e0fb7..91f43904c 100644
--- a/src/SSystem/SComponent/c_math.cpp
+++ b/src/SSystem/SComponent/c_math.cpp
@@ -117,13 +117,13 @@ u16 U_GetAtanTable(float f0, float f1) {
 /* 802460D0-80246270       .text cM_atan2s__Fff */
 s16 cM_atan2s(float f0, float f1) {
     u32 retVar;
-    if (fabsf(f0) < G_CM3D_F_ABS_MIN) {
+    if (cM3d_IsZero(f0)) {
         if (f1 >= 0.0f) {
             retVar = 0;
         } else {
             retVar = 0x8000;
         }
-    } else if (fabsf(f1) < G_CM3D_F_ABS_MIN) {
+    } else if (cM3d_IsZero(f1)) {
         if (f0 >= 0.0f) {
             retVar = 0x4000;
         } else {
@@ -178,7 +178,7 @@ float cM_rnd(void) {
     r0 = (r0 * 0xAB) % 0x763D;
     r1 = (r1 * 0xAC) % 0x7663;
     r2 = (r2 * 0xAA) % 0x7673;
-    return fabsf(fmod(r0 / 30269.0f + r1 / 30307.0f + r2 / 30323.0f, 1.0));
+    return std::fabsf(fmod(r0 / 30269.0f + r1 / 30307.0f + r2 / 30323.0f, 1.0));
 }
 
 /* 802463B0-802463E8       .text cM_rndF__Ff */
diff --git a/src/SSystem/SComponent/c_xyz.cpp b/src/SSystem/SComponent/c_xyz.cpp
index b201270c1..946ba8650 100644
--- a/src/SSystem/SComponent/c_xyz.cpp
+++ b/src/SSystem/SComponent/c_xyz.cpp
@@ -141,8 +141,9 @@ bool cXyz::operator!=(const Vec& vec) const {
 
 /* 80245CE4-80245D48       .text isZero__4cXyzCFv */
 bool cXyz::isZero(void) const {
-    return fabsf(this->x) < 3.8146972e-06f && fabsf(this->y) < 3.8146972e-06f &&
-           fabsf(this->z) < 3.8146972e-06f;
+    return std::fabsf(this->x) < 3.8146972e-06f &&
+           std::fabsf(this->y) < 3.8146972e-06f &&
+           std::fabsf(this->z) < 3.8146972e-06f;
 }
 
 // Unused, but must be in .rodata to match
diff --git a/src/c/c_damagereaction.cpp b/src/c/c_damagereaction.cpp
index 867bf9c78..d88001fe2 100644
--- a/src/c/c_damagereaction.cpp
+++ b/src/c/c_damagereaction.cpp
@@ -62,7 +62,7 @@ BOOL ice_bg_check(enemyice* ei) {
     }
     
     if (ei->mBgAcch.ChkWallHit()) {
-        if (fabsf(ei->mSpeedF) > 10.0f) {
+        if (std::fabsf(ei->mSpeedF) > 10.0f) {
             ret = TRUE;
         }
         ei->mSpeedF *= 0.5f;
@@ -187,7 +187,7 @@ BOOL enemy_ice(enemyice* ei) {
         if (ei->mParticleScale < 0.1f) {
             ei->mParticleScale = 1.0f;
         }
-        if (fabsf(ei->mYOffset) < 0.1f) {
+        if (std::fabsf(ei->mYOffset) < 0.1f) {
             ei->mYOffset = 80.0f;
         }
         ei->mState = 1;
@@ -282,7 +282,7 @@ BOOL enemy_ice(enemyice* ei) {
             ac->current.pos += *ccMove;
         }
         
-        if (fabsf(ei->mSpeedF) > 5.0f) {
+        if (std::fabsf(ei->mSpeedF) > 5.0f) {
             ei->mCyl.OnAtSetBit();
         } else {
             ei->mCyl.OffAtSetBit();
diff --git a/src/d/actor/d_a_agbsw0.cpp b/src/d/actor/d_a_agbsw0.cpp
index 5a0ccfc9e..86fda2e9a 100644
--- a/src/d/actor/d_a_agbsw0.cpp
+++ b/src/d/actor/d_a_agbsw0.cpp
@@ -1336,9 +1336,9 @@ BOOL daAgbsw0_c::ExeSubB() {
                     cXyz rel;
                     fpoAcM_relativePos(this, &agb->current.pos, &rel);
                     rel.y = rel.y - scale.y / 2.0f + 5.0f;
-                    f32 x_diff = scale.x - fabsf(rel.x);
-                    f32 y_diff = (scale.y / 2.0f) - fabsf(rel.y) + 50.0f; //some register oddity here
-                    f32 z_diff = scale.z - fabsf(rel.z);
+                    f32 x_diff = scale.x - std::abs(rel.x);
+                    f32 y_diff = (scale.y / 2.0f) - std::abs(rel.y) + 50.0f; //some register oddity here
+                    f32 z_diff = scale.z - std::abs(rel.z);
                     if(y_diff < x_diff && y_diff < z_diff) {
                         if(agb->current.pos.y < current.pos.y + scale.y / 2.0f) {
                             agb->home.pos.y = current.pos.y - 6.0f;
@@ -1611,7 +1611,7 @@ BOOL daAgbsw0_c::HitCheck(fopAc_ac_c* param_1) {
     if(mNonCircular == false) {
         f32 y_diff = param_1->current.pos.y - current.pos.y;
         if(-10.0f <= y_diff && y_diff <= scale.y) {
-            f32 x_diff = fabsf(param_1->current.pos.x - current.pos.x);
+            f32 x_diff = std::abs(param_1->current.pos.x - current.pos.x);
             if(x_diff < scale.x) {
                 f32 z_diff = fabs(param_1->current.pos.z - current.pos.z);
                 if(z_diff < scale.x && x_diff * x_diff + z_diff * z_diff < scale.x * scale.x) {
@@ -1623,7 +1623,7 @@ BOOL daAgbsw0_c::HitCheck(fopAc_ac_c* param_1) {
     else {
         cXyz pos;
         fpoAcM_relativePos(this, &param_1->current.pos, &pos);
-        if(-10.0f <= pos.y && pos.y <= scale.y && fabsf(pos.x) < scale.x && fabsf(pos.z) < scale.z) {
+        if(-10.0f <= pos.y && pos.y <= scale.y && std::abs(pos.x) < scale.x && std::abs(pos.z) < scale.z) {
             return true;
         }
     }
diff --git a/src/d/actor/d_a_bflower.cpp b/src/d/actor/d_a_bflower.cpp
index 0a8656256..11a43d458 100644
--- a/src/d/actor/d_a_bflower.cpp
+++ b/src/d/actor/d_a_bflower.cpp
@@ -301,9 +301,8 @@ BOOL daBFlower_c::actLive() {
         init_bck_anm(VBAKH_BCK_VBAKH);
     }
 
-    // TODO: std::abs
     // Play animation if player walks by bomb flower
-    if (dist < 50.0f && fabsf(mPrevPlayerDist - dist) > 2.0f && fabsf(player->current.pos.y - current.pos.y) < 10.0f) {
+    if (dist < 50.0f && std::abs(mPrevPlayerDist - dist) > 2.0f && std::abs(player->current.pos.y - current.pos.y) < 10.0f) {
         init_bck_anm(VBAKH_BCK_VBAKH);
     }
 
@@ -400,9 +399,8 @@ BOOL daBFlower_c::actDead() {
         mAnimTimer -= 1;
     }
 
-    // TODO: std::abs
     // Play animation if player walks by bomb flower
-    if (dist < 50.0f && fabsf(mPrevPlayerDist - dist) > 2.0f) {
+    if (dist < 50.0f && std::abs(mPrevPlayerDist - dist) > 2.0f) {
         init_bck_anm(VBAKH_BCK_VBAHX);
     }
 
diff --git a/src/d/actor/d_a_bk.cpp b/src/d/actor/d_a_bk.cpp
index 5c6b1a42b..480f17f72 100644
--- a/src/d/actor/d_a_bk.cpp
+++ b/src/d/actor/d_a_bk.cpp
@@ -697,7 +697,7 @@ static fpc_ProcID search_wepon(bk_class* i_this) {
             sp18.z = r25->current.pos.z - i_this->eyePos.z;
             f32 f4 = sqrtf(sp18.x*sp18.x + sp18.z*sp18.z);
             if (f4 < f29 && !daBk_other_bg_check(i_this, r25)) {
-                if (fabsf(r25->current.pos.y + 50.0f - i_this->eyePos.y) <= l_bkHIO.m038) {
+                if (std::fabsf(r25->current.pos.y + 50.0f - i_this->eyePos.y) <= l_bkHIO.m038) {
                     s16 angleDiff = i_this->m0330 - cM_atan2s(sp18.x, sp18.z);
                     if (angleDiff < 0) {
                         angleDiff = -angleDiff;
@@ -708,8 +708,8 @@ static fpc_ProcID search_wepon(bk_class* i_this) {
                     cMtx_YrotS(*calc_mtx, -i_this->current.angle.y);
                     cXyz sp0C;
                     MtxPosition(&sp18, &sp0C);
-                    if (fabsf(sp0C.x) < l_bkHIO.m03C &&
-                        fabsf(sp0C.y) < l_bkHIO.m040 &&
+                    if (std::fabsf(sp0C.x) < l_bkHIO.m03C &&
+                        std::fabsf(sp0C.y) < l_bkHIO.m040 &&
                         sp0C.z > l_bkHIO.m048 &&
                         sp0C.z < l_bkHIO.m044
                     ) {
@@ -780,7 +780,7 @@ static fopAc_ac_c* search_bomb(bk_class* i_this, BOOL r26) {
                 !(daBk_other_bg_check(i_this, r24) && r26)
             ) {
                 if (r26) {
-                    if (fabsf(r24->current.pos.y + 50.0f - i_this->eyePos.y) <= l_bkHIO.m038) {
+                    if (std::fabsf(r24->current.pos.y + 50.0f - i_this->eyePos.y) <= l_bkHIO.m038) {
                         s16 angleDiff = i_this->m0330 - cM_atan2s(sp28.x, sp28.z);
                         if (angleDiff < 0) {
                             angleDiff = -angleDiff;
@@ -791,8 +791,8 @@ static fopAc_ac_c* search_bomb(bk_class* i_this, BOOL r26) {
                         cMtx_YrotS(*calc_mtx, -i_this->current.angle.y);
                         cXyz sp10;
                         MtxPosition(&sp28, &sp10);
-                        if (fabsf(sp10.x) < l_bkHIO.m03C &&
-                            fabsf(sp10.y) < l_bkHIO.m040 &&
+                        if (std::fabsf(sp10.x) < l_bkHIO.m03C &&
+                            std::fabsf(sp10.y) < l_bkHIO.m040 &&
                             sp10.z > l_bkHIO.m048 &&
                             sp10.z < l_bkHIO.m044
                         ) {
@@ -855,7 +855,7 @@ static BOOL daBk_player_bg_check(bk_class* i_this, cXyz* r22) {
     if (search_sp != 0 || i_this->mType == 0xA) {
         return FALSE;
     }
-    if (i_this->dr.m713 == 0 && fabsf(player->speedF) < 0.1f && player->checkGrabWear()) {
+    if (i_this->dr.m713 == 0 && std::fabsf(player->speedF) < 0.1f && player->checkGrabWear()) {
         return TRUE;
     }
     dBgS_LinChk linChk;
@@ -881,7 +881,7 @@ static BOOL daBk_player_view_check(bk_class* i_this, cXyz* r30, s16 r27, s16 r31
     if (daBk_player_bg_check(i_this, r30)) {
         return FALSE;
     }
-    if (fabsf(player->current.pos.y + 50.0f - i_this->eyePos.y) > l_bkHIO.m038) {
+    if (std::fabsf(player->current.pos.y + 50.0f - i_this->eyePos.y) > l_bkHIO.m038) {
         return FALSE;
     }
     s16 angleDiff = i_this->m0330 - r27;
@@ -899,8 +899,8 @@ static BOOL daBk_player_view_check(bk_class* i_this, cXyz* r30, s16 r27, s16 r31
     sp14.z = r30->z - i_this->current.pos.z;
     cXyz sp08;
     MtxPosition(& sp14, &sp08);
-    if (fabsf(sp08.x) < l_bkHIO.m03C &&
-        fabsf(sp08.y) < l_bkHIO.m040 &&
+    if (std::fabsf(sp08.x) < l_bkHIO.m03C &&
+        std::fabsf(sp08.y) < l_bkHIO.m040 &&
         sp08.z > l_bkHIO.m048 &&
         sp08.z < l_bkHIO.m044
     ) {
@@ -1870,7 +1870,7 @@ static void fight_run(bk_class* i_this) {
             i_this->m0300[1] = 20.0f + cM_rndF(20.0f);
             break;
         }
-        if ((i_this->m02DD & 0xC) == 0 && fabsf(stickPosX) > 0.1f) {
+        if ((i_this->m02DD & 0xC) == 0 && std::fabsf(stickPosX) > 0.1f) {
             if (i_this->m0B30 != 0 || i_this->m11F3 != 0) {
                 anm_init(i_this, BK_BCK_BK_WALK2, 10.0f, J3DFrameCtrl::LOOP_REPEAT_e, 1.0f, BK_BAS_BK_WALK2);
             } else {
@@ -2063,7 +2063,7 @@ static void fight_run(bk_class* i_this) {
     }
     i_this->m02DD = ground_4_check(i_this, 4, i_this->current.angle.y, 90.0f + REG6_F(7));
     if (i_this->m0314 != 0) {
-        if (fabsf(i_this->speedF) < 30.0f) {
+        if (std::fabsf(i_this->speedF) < 30.0f) {
             if (i_this->m0318 == 0) {
                 i_this->dr.m710 = 3;
             } else if (i_this->m0318 == 1) {
@@ -2452,7 +2452,7 @@ static BOOL daBk_Execute(bk_class* i_this) {
                     if (r23 == NULL) {
                         i_this->m0300[0] = 50;
                         i_this->m0310 = 20;
-                        if (fabsf(i_this->speedF) > 10.0f) {
+                        if (std::fabsf(i_this->speedF) > 10.0f) {
                             another_hit = 1;
                         } else {
                             i_this->scale.x = i_this->scale.y = i_this->scale.z = 0.5f;
diff --git a/src/d/actor/d_a_bomb2.cpp b/src/d/actor/d_a_bomb2.cpp
index b6725ed96..882f5bcee 100644
--- a/src/d/actor/d_a_bomb2.cpp
+++ b/src/d/actor/d_a_bomb2.cpp
@@ -679,7 +679,7 @@ namespace daBomb2 {
             f28 = 1.0f;
         }
         mWindVec = sp48 * f31 + hitNormal * f28 * f30;
-        if (fabsf(mWindVec.y) < 5.0f) {
+        if (std::fabsf(mWindVec.y) < 5.0f) {
             mWindVec.y += attr().field_0x38*f31 + f29*(attr().field_0x3C*f28);
         }
         field_0x7A8 = 2;
diff --git a/src/d/actor/d_a_bomb3.inc b/src/d/actor/d_a_bomb3.inc
index 42c6bc58e..aef29dc3e 100644
--- a/src/d/actor/d_a_bomb3.inc
+++ b/src/d/actor/d_a_bomb3.inc
@@ -1158,7 +1158,7 @@ void daBomb_c::set_wind_vec() {
         f28 = 1.0f;
     }
     mWindVec = sp48 * f31 + hitNormal * f28 * f30;
-    if (fabsf(mWindVec.y) < 5.0f) {
+    if (std::fabsf(mWindVec.y) < 5.0f) {
         mWindVec.y += f29*(100.0f*f28) + 140.0f*f31;
     }
 }
diff --git a/src/d/actor/d_a_dai_item.cpp b/src/d/actor/d_a_dai_item.cpp
index 22b107b6f..db2069e3e 100644
--- a/src/d/actor/d_a_dai_item.cpp
+++ b/src/d/actor/d_a_dai_item.cpp
@@ -450,13 +450,13 @@ bool daStandItem_c::actionFobj05() {
 
 /* 800E45E0-800E4770       .text actionFobj06__13daStandItem_cFv */
 bool daStandItem_c::actionFobj06() {
-    /* Nonmatching */
+    /* Nonmatching - *1.0f gets optimized out */
     cXyz wind = dKyw_get_AllWind_vecpow(&current.pos);
     f32 windStrength = wind.absXZ();
     cXyz zero(0.0f, 0.0f, 0.0f);
     s16 angle = cLib_targetAngleY(&zero, &wind);
     cLib_distanceAngleS(angle, current.angle.y);
-    m6C4 += fabsf(windStrength * 1.0f);
+    m6C4 += fabs(windStrength * 1.0f);
     if (m6C4 > 4.0f) {
         m6C4 = 4.0f;
     }
diff --git a/src/d/actor/d_a_ghostship.cpp b/src/d/actor/d_a_ghostship.cpp
index 8d6bb2619..2289bb539 100644
--- a/src/d/actor/d_a_ghostship.cpp
+++ b/src/d/actor/d_a_ghostship.cpp
@@ -121,7 +121,7 @@ BOOL daGhostship_c::_pathMove(cXyz* curPos, cXyz* p_curPntPos, cXyz* p_nextPntPo
 
     s16 targetAngleY = cM_atan2s(delta.x, delta.z);
     s16 angleLeftToTarget = cLib_addCalcAngleS(&current.angle.y, targetAngleY, 8, 0x200, 8);
-    f32 step = speedF * fabsf(cM_scos(angleLeftToTarget));
+    f32 step = speedF * std::fabsf(cM_scos(angleLeftToTarget));
     cLib_chasePosXZ(curPos, mNextPntPos, step);
     if((*curPos - mNextPntPos).absXZ() < step * (REG12_F(5) + 1.0f) || (*curPos - mNextPntPos).absXZ() == 0.0f) {
         return TRUE;
diff --git a/src/d/actor/d_a_item.cpp b/src/d/actor/d_a_item.cpp
index 5381ccc2d..76e6b60dc 100644
--- a/src/d/actor/d_a_item.cpp
+++ b/src/d/actor/d_a_item.cpp
@@ -1121,7 +1121,7 @@ void daItem_c::set_bound_se() {
         return;
     }
     
-    u32 temp = fabsf(field_0x650) * 2.0f;
+    u32 temp = std::fabsf(field_0x650) * 2.0f;
     if (temp > 100) {
         temp = 100;
     }
diff --git a/src/d/actor/d_a_kt.cpp b/src/d/actor/d_a_kt.cpp
index 770f20a1a..a0c9d0b75 100644
--- a/src/d/actor/d_a_kt.cpp
+++ b/src/d/actor/d_a_kt.cpp
@@ -151,7 +151,7 @@ calc_012:
         *r28 += pt.x;
         *r27 += pt.z;
         cLib_addCalc2(&*r26, i_this->mGroundY, REG0_F(6) + 0.3f, REG0_F(7) + 20.0f);
-        if (fabsf(*r26 - i_this->mGroundY) < 1.0f) {
+        if (std::fabsf(*r26 - i_this->mGroundY) < 1.0f) {
             *r26 = i_this->mGroundY;
             i_this->mState = 10;
         }
@@ -183,7 +183,7 @@ calc_012:
         *r28 += pt.x;
         *r27 += pt.z;
         cLib_addCalc2(&*r26, i_this->mTargetPos.y, REG0_F(6) + 0.5f, REG0_F(7) + 20.0f);
-        if (fabsf(*r26 - i_this->mTargetPos.y) < 1.0f) {
+        if (std::fabsf(*r26 - i_this->mTargetPos.y) < 1.0f) {
             i_this->mState = 20;
             i_this->mSpeedLerp = 0.0f;
         }
@@ -197,7 +197,7 @@ calc_012:
         cLib_addCalc2(&*r27, i_this->mTargetPos.z, 1.0f, i_this->mSpeedLerp);
         cLib_addCalc2(&i_this->mSpeedLerp, 1000.0f, 1.0f, REG0_F(16) + 10.0f);
         cLib_addCalcAngleS2(&i_this->current.angle.y, player->shape_angle.y, 2, 0x1000);
-        if (fabsf(*r26 - i_this->mTargetPos.y) > 1.0f)
+        if (std::fabsf(*r26 - i_this->mTargetPos.y) > 1.0f)
             dispWing = true;
         if (CPad_CHECK_TRIG_LEFT(0)) {
             i_this->mState = 0;
diff --git a/src/d/actor/d_a_msw.cpp b/src/d/actor/d_a_msw.cpp
index 35d6a455e..d43c951d2 100644
--- a/src/d/actor/d_a_msw.cpp
+++ b/src/d/actor/d_a_msw.cpp
@@ -31,22 +31,22 @@ void ride_call_back(dBgW* bgw, fopAc_ac_c* i_ac, fopAc_ac_c* i_pt) {
     cLib_addCalcAngleS2(&i_ac->current.angle.x, z, 10, 0x800);
     cLib_addCalcAngleS2(&i_ac->current.angle.z, x, 10, 0x800);
 
-    f32 dist = (REG0_F(4) + 50.0f) * fabsf(pos1.z - pos2.z);
+    f32 dist = (REG0_F(4) + 50.0f) * std::fabsf(pos1.z - pos2.z);
     if (pActor->m2BC.x < dist) {
         pActor->m2BC.x = dist;
     }
 
-    dist = (REG0_F(4) + 50.0f) * fabsf(pos1.x - pos2.x);
+    dist = (REG0_F(4) + 50.0f) * std::fabsf(pos1.x - pos2.x);
     if (pActor->m2BC.z < dist) {
         pActor->m2BC.z = dist;
     }
 
-    dist = (REG0_F(8) + 5.0f) * fabsf(pos1.x - pos2.x);
+    dist = (REG0_F(8) + 5.0f) * std::fabsf(pos1.x - pos2.x);
     if (dist > 10.0f && pActor->m2B0.x < dist) {
         cLib_addCalc2(&pActor->m2B0.x, dist, 1.0f, REG0_F(7) + 1.2f);
     }
 
-    dist = (REG0_F(8) + 5.0f) * fabsf(pos1.z - pos2.z);
+    dist = (REG0_F(8) + 5.0f) * std::fabsf(pos1.z - pos2.z);
     if (dist > 10.0f && pActor->m2B0.z < dist) {
         cLib_addCalc2(&pActor->m2B0.z, dist, 1.0f, REG0_F(7) + 1.2f);
     }
diff --git a/src/d/actor/d_a_npc_ji1.cpp b/src/d/actor/d_a_npc_ji1.cpp
index 72f0d4d4a..f0371e6e9 100644
--- a/src/d/actor/d_a_npc_ji1.cpp
+++ b/src/d/actor/d_a_npc_ji1.cpp
@@ -2088,7 +2088,7 @@ BOOL daNpc_Ji1_c::teachSPRollCutAction(void*) {
             f32 what = temp.absXZ();
 
             s32 cutType = player->getCutType();
-            f32 y_diff = fabsf(temp.y);
+            f32 y_diff = std::fabsf(temp.y);
             if(cutType == 9 && y_diff < 20.0f) {
                 dComIfGs_onEventBit(0xB20);
                 dComIfGs_offTmpBit(0x402);
diff --git a/src/d/actor/d_a_npc_md.cpp b/src/d/actor/d_a_npc_md.cpp
index 799c2c0e3..842d95ec0 100644
--- a/src/d/actor/d_a_npc_md.cpp
+++ b/src/d/actor/d_a_npc_md.cpp
@@ -1219,7 +1219,7 @@ BOOL daNpc_Md_c::checkCollision(int r30) {
             sp3C.y = 0.0f;
             sp3C.normalizeZP();
             s16 sp08;
-            if (fabsf(sp3C.x) < 0.001f && fabsf(sp3C.z) < 0.001f) {
+            if (std::abs(sp3C.x) < 0.001f && std::abs(sp3C.z) < 0.001f) {
                 sp08 = 0;
             } else {
                 sp08 = cM_atan2s(sp3C.x, sp3C.z);
diff --git a/src/d/actor/d_a_npc_people.cpp b/src/d/actor/d_a_npc_people.cpp
index 14cb41115..2cdb3b23d 100644
--- a/src/d/actor/d_a_npc_people.cpp
+++ b/src/d/actor/d_a_npc_people.cpp
@@ -8118,7 +8118,7 @@ BOOL daNpcPeople_c::checkPig() {
             if(pPig && pPig->m408 == 0) {
                 f32 temp;
                 dNpc_calc_DisXZ_AngY(current.pos, pPig->current.pos, &temp, NULL);
-                if(temp < 400.0f && fabsf(current.pos.y - pPig->current.pos.y) <= 10.0f) {
+                if(temp < 400.0f && std::abs(current.pos.y - pPig->current.pos.y) <= 10.0f) {
                     pPig->taura_pos_set(current.pos);
                     m78D = 2;
                     m758 |= 0x80;
diff --git a/src/d/actor/d_a_obj_ferris.cpp b/src/d/actor/d_a_obj_ferris.cpp
index 13a82a9ee..a8f98dab7 100644
--- a/src/d/actor/d_a_obj_ferris.cpp
+++ b/src/d/actor/d_a_obj_ferris.cpp
@@ -478,7 +478,7 @@ void daObjFerris::Act_c::make_lean() {
             delta.normalizeRS();
 
             f32 z = -delta.z;
-            f32 h = fabsf(-(z * pt0.x + delta.x * pt0.z) + (z * mRidePos.x + delta.x * mRidePos.z)) / 162.0f;
+            f32 h = std::fabsf(-(z * pt0.x + delta.x * pt0.z) + (z * mRidePos.x + delta.x * mRidePos.z)) / 162.0f;
             if (delta.x * delta2.z - delta.z * delta2.x < 0.0f) {
                 mRideWaveTarget[i] = h * 550.0f;
             } else {
diff --git a/src/d/actor/d_a_player_food.inc b/src/d/actor/d_a_player_food.inc
index 95f9b6b0b..392f8dead 100644
--- a/src/d/actor/d_a_player_food.inc
+++ b/src/d/actor/d_a_player_food.inc
@@ -206,7 +206,7 @@ BOOL daPy_lk_c::procFoodSet() {
         seStartOnlyReverb(JA_SE_LK_HYOI_SET);
     }
     
-    if (fabsf(frameCtrl.getRate()) < 0.01f) {
+    if (std::abs(frameCtrl.getRate()) < 0.01f) {
         if (mDemo.getDemoType() != 5) {
             dComIfGp_evmng_cutEnd(mStaffIdx);
         } else if (m34D0 < 0) {
diff --git a/src/d/actor/d_a_player_main.cpp b/src/d/actor/d_a_player_main.cpp
index 8d30e4b4a..b104da514 100644
--- a/src/d/actor/d_a_player_main.cpp
+++ b/src/d/actor/d_a_player_main.cpp
@@ -814,7 +814,7 @@ BOOL daPy_lk_c::draw() {
     ) {
         cXyz sp18;
         mDoLib_pos2camera(&current.pos, &sp18);
-        f32 f2 = fabsf(cM_ssin(g_Counter.mTimer * 0x800));
+        f32 f2 = std::abs(cM_ssin(g_Counter.mTimer * 0x800));
         if (daPy_dmEcallBack_c::checkCurse() || checkConfuse()) {
             tevStr.mFogColor.r = 0x80;
             tevStr.mFogColor.g = 0x00;
diff --git a/src/d/actor/d_a_player_npc.cpp b/src/d/actor/d_a_player_npc.cpp
index 39c6378b1..0e38e3fa1 100644
--- a/src/d/actor/d_a_player_npc.cpp
+++ b/src/d/actor/d_a_player_npc.cpp
@@ -173,7 +173,7 @@ void daPy_npc_c::drawDamageFog() {
     
     cXyz camPos;
     mDoLib_pos2camera(&current.pos, &camPos);
-    f32 adjust = fabsf(cM_ssin(g_Counter.mTimer * 0x800));
+    f32 adjust = std::abs(cM_ssin(g_Counter.mTimer * 0x800));
     tevStr.mFogColor.r = 255;
     tevStr.mFogColor.g = 60;
     tevStr.mFogColor.b = 60;
diff --git a/src/d/actor/d_a_pw.cpp b/src/d/actor/d_a_pw.cpp
index 8ca525e90..23fe85410 100644
--- a/src/d/actor/d_a_pw.cpp
+++ b/src/d/actor/d_a_pw.cpp
@@ -416,7 +416,7 @@ void action_dousa(pw_class* i_this) {
     }
     if (i_this->m37C == 0 && i_this->mState < 0x5A) {
         if (i_this->mState == 0x0E || i_this->mState == 0x10 || i_this->mState == 0x14) {
-            if (!hani_check(i_this) && fopAcM_searchPlayerDistance(i_this) < 500.0f && fabsf(i_this->current.pos.y - player->current.pos.y) < 100.0f) {
+            if (!hani_check(i_this) && fopAcM_searchPlayerDistance(i_this) < 500.0f && std::fabsf(i_this->current.pos.y - player->current.pos.y) < 100.0f) {
                 if (!Line_check(i_this, i_this->current.pos, 1) && (i_this->m346 == 1 || !TORITUKI_ON)) {
                     i_this->mAction = 1;
                     i_this->mState = 0x1E;
diff --git a/src/d/actor/d_a_tag_waterlevel.cpp b/src/d/actor/d_a_tag_waterlevel.cpp
index 8b83b3a78..5250a00f4 100644
--- a/src/d/actor/d_a_tag_waterlevel.cpp
+++ b/src/d/actor/d_a_tag_waterlevel.cpp
@@ -90,7 +90,7 @@ namespace daTagWaterlevel {
                 M_now = 1.0f;
             }
         } else {
-            if (fabsf(target - get_now()) < attr().field_0x0c) {
+            if (std::fabsf(target - get_now()) < attr().field_0x0c) {
                 M_now = target;
                 field_0x290 = 0.0f;
             } else {
diff --git a/src/d/actor/d_a_tama.cpp b/src/d/actor/d_a_tama.cpp
index 8f582a11a..030ddc83d 100644
--- a/src/d/actor/d_a_tama.cpp
+++ b/src/d/actor/d_a_tama.cpp
@@ -58,7 +58,7 @@ BOOL daTama_c::_execute() {
     bool del = true;
     if (partner != NULL) {
         f32 distXZ = fopAcM_searchActorDistanceXZ(this, partner);
-        f32 distY = fabsf(current.pos.y - partner->current.pos.y);
+        f32 distY = std::fabsf(current.pos.y - partner->current.pos.y);
         if (distXZ < mDis && distY < 400.0f) {
             del = false;
             speed.y = speedF * cM_ssin(current.angle.x);
diff --git a/src/d/d_a_item_static.cpp b/src/d/d_a_item_static.cpp
index 8c23d489f..900f21332 100644
--- a/src/d/d_a_item_static.cpp
+++ b/src/d/d_a_item_static.cpp
@@ -66,7 +66,7 @@ BOOL daItem_c::releaseLock() {
 
 /* 800689A8-800689F0       .text checkActionNow__8daItem_cFv */
 BOOL daItem_c::checkActionNow() {
-    if (fabsf(speedF) < 0.1f && fabsf(old.pos.y - current.pos.y) < 1.0f) {
+    if (std::abs(speedF) < 0.1f && std::abs(old.pos.y - current.pos.y) < 1.0f) {
         return FALSE;
     }
     return TRUE;
diff --git a/src/d/d_a_obj.cpp b/src/d/d_a_obj.cpp
index cfd9bcc27..e7248bd48 100644
--- a/src/d/d_a_obj.cpp
+++ b/src/d/d_a_obj.cpp
@@ -107,9 +107,9 @@ namespace daObj {
             f32 dz = delta.z;
 
             cXyz result(dx * param_4, dy * param_4, dz * param_4);
-            result.x += fabsf(dx) * dx * param_5;
-            result.y += fabsf(dy) * dy * param_5;
-            result.z += fabsf(dz) * dz * param_5;
+            result.x += std::fabsf(dx) * dx * param_5;
+            result.y += std::fabsf(dy) * dy * param_5;
+            result.z += std::fabsf(dz) * dz * param_5;
 
             result *= -1.0f;
             *pDst = result;
diff --git a/src/d/d_drawlist.cpp b/src/d/d_drawlist.cpp
index f5bb5b9ec..f97dccf60 100644
--- a/src/d/d_drawlist.cpp
+++ b/src/d/d_drawlist.cpp
@@ -700,7 +700,7 @@ f32 cM_rnd_c::get() {
     m0 = (m0 * 171) % 30269;
     m4 = (m4 * 172) % 30307;
     m8 = (m8 * 170) % 30323;
-    return fabsf(fmod((m0 / 30269.0f) + (m4 / 30307.0f) + (m8 / 30323.0f), 1.0f));
+    return std::fabsf(fmod((m0 / 30269.0f) + (m4 / 30307.0f) + (m8 / 30323.0f), 1.0f));
 }
 
 f32 cM_rnd_c::getF(f32 m) {
diff --git a/src/d/d_jnt_hit.cpp b/src/d/d_jnt_hit.cpp
index 3f88311e3..d4d527e80 100644
--- a/src/d/d_jnt_hit.cpp
+++ b/src/d/d_jnt_hit.cpp
@@ -150,7 +150,7 @@ BOOL JntHit_c::Cyl2HitPosAngleOffset(cXyz* r27, csXyz* r29, cXyz* r30, csXyz* r3
     cXyz r1_7C;
     cXyz r1_70(x, -sinX, z);
     f32 f1 = r1_70.inprod(r1_88);
-    if (!(fabsf(f1) < cXyz::getNearZeroValue())) { // TODO: is this an inline?
+    if (!cLib_IsZero(f1)) {
         if (f1 > 0.0f) {
             f1 = -f30 / f1;
         } else {
@@ -315,7 +315,7 @@ s32 JntHit_c::searchJntHitPosAngleOffset(cXyz* r18, csXyz* r28, cXyz* r29, csXyz
                     f31 = f4;
                     hitIndex = i;
                     hitPosIndex = posIndex;
-                    if (fabsf(f5) < cXyz::getNearZeroValue() && fabsf(f29) < cXyz::getNearZeroValue()) {
+                    if (cLib_IsZero(f5) && cLib_IsZero(f29)) {
                         if (!isThrow(*pShapeType)) {
                             if (*pShapeType == 0) {
                                 CylHitPosAngleOffset(&r1_1A0, r28, r29, r30, r1_17C, r1_170, *pRadius);
@@ -344,7 +344,7 @@ s32 JntHit_c::searchJntHitPosAngleOffset(cXyz* r18, csXyz* r28, cXyz* r29, csXyz
                 f31 = temp;
                 hitIndex = i;
                 hitPosIndex = posIndex;
-                if (fabsf(f31) < cXyz::getNearZeroValue()) {
+                if (cLib_IsZero(f31)) {
                     SphHitPosAngleOffset(&r1_1A0, r28, r29, r30, r1_140, *pRadius);
                     if (isDelete(*pShapeType)) {
                         jointIndex = -3;
diff --git a/src/d/d_kankyo_rain.cpp b/src/d/d_kankyo_rain.cpp
index 6e9560164..31a359038 100644
--- a/src/d/d_kankyo_rain.cpp
+++ b/src/d/d_kankyo_rain.cpp
@@ -166,14 +166,14 @@ void dKyr_kamome_move() {
                 }
 
                 oldTarget.x = cM_ssin(pWind->mKamomeEff[i].mAngleY) * 7000.0f;
-                oldTarget.y = fabsf(cM_ssin(pWind->mKamomeEff[i].mAngleX) * 3200.0f);
+                oldTarget.y = std::fabsf(cM_ssin(pWind->mKamomeEff[i].mAngleX) * 3200.0f);
                 oldTarget.z = cM_scos(pWind->mKamomeEff[i].mAngleY) * 7000.0f;
 
                 pWind->mKamomeEff[i].mAngleY += pWind->mKamomeEff[i].mAngleYSpeed * pWind->mKamomeEff[i].mScale;
                 pWind->mKamomeEff[i].mAngleX += 15;
 
                 newTarget.x = cM_ssin(pWind->mKamomeEff[i].mAngleY) * 7000.0f;
-                newTarget.y = fabsf(cM_ssin(pWind->mKamomeEff[i].mAngleX) * 3200.0f);
+                newTarget.y = std::fabsf(cM_ssin(pWind->mKamomeEff[i].mAngleX) * 3200.0f);
                 newTarget.z = cM_scos(pWind->mKamomeEff[i].mAngleY) * 7000.0f;
 
                 newPos.x = pCamera->mLookat.mEye.x + newTarget.x;
@@ -824,7 +824,7 @@ void dKyr_star_move() {
     dKankyo_star_Packet* pPkt = g_env_light.mpStarPacket;
     pPkt->mCount = g_env_light.mStarCount;
     if (pPkt->mCount != 0) {
-        f32 wave = fabsf(cM_fsin(pPkt->mStarEff[0].mAnimCounter));
+        f32 wave = std::fabsf(cM_fsin(pPkt->mStarEff[0].mAnimCounter));
         pPkt->mStarEff[0].mAnimCounter += 0.01f;
         pPkt->mStarEff[0].mSin = wave;
         cLib_addCalc(&pPkt->mStarEff[0].mSin, wave, 0.5f, 0.1f, 0.01f);
@@ -934,8 +934,8 @@ void wave_move() {
     vectle_calc(&deltaXZ, &vectle);
 
     pPkt->mSkewDir = cM3d_VectorProduct2d(0.0f, 0.0f, -windPowVec2.x, -windPowVec2.z, vectle.x, vectle.z);
-    pPkt->mSkewWidth = windPow * (1.0f - fabsf(windPowVec2.y)) * (1.0f - fabsf(windPowVec2.x * vectle.x + windPowVec2.z * vectle.z));
-    pPkt->mSkewWidth *= 0.6f * fabsf(pPkt->mSkewDir);
+    pPkt->mSkewWidth = windPow * (1.0f - std::fabsf(windPowVec2.y)) * (1.0f - std::fabsf(windPowVec2.x * vectle.x + windPowVec2.z * vectle.z));
+    pPkt->mSkewWidth *= 0.6f * std::fabsf(pPkt->mSkewDir);
 
     for (s32 i = 0; i < g_env_light.mWaveChan.mWaveCount; i++) {
         if (g_env_light.mWaveChan.mWaveReset)
@@ -2034,7 +2034,7 @@ void drawPoison(Mtx drawMtx, u8** pImg) {
 
         GXLoadTexObj(&texObj, GX_TEXMAP0);
 
-        f32 cosR = fabsf(cM_scos(envLight.mpPoisonPacket->mCount * 500.0f + i * 4000));
+        f32 cosR = std::fabsf(cM_scos(envLight.mpPoisonPacket->mCount * 500.0f + i * 4000));
         cosR *= cosR;
 
         reg0.r = 95.0f + -50.0f * cosR;
diff --git a/src/d/d_lib.cpp b/src/d/d_lib.cpp
index b9b848114..1124c1207 100644
--- a/src/d/d_lib.cpp
+++ b/src/d/d_lib.cpp
@@ -262,7 +262,7 @@ bool dLib_checkPlayerInCircle(cXyz center, f32 radius, f32 halfHeight) {
 /* 80057F78-80058098       .text dLib_checkActorInCircle__F4cXyzP10fopAc_ac_cff */
 bool dLib_checkActorInCircle(cXyz center, fopAc_ac_c* actor, f32 radius, f32 halfHeight) {
     f32 distXZ = (center - actor->current.pos).absXZ();
-    f32 distY = fabsf(center.y - actor->current.pos.y);
+    f32 distY = std::fabsf(center.y - actor->current.pos.y);
     if (distXZ < radius && distY < halfHeight) {
         return true;
     }
@@ -272,7 +272,7 @@ bool dLib_checkActorInCircle(cXyz center, fopAc_ac_c* actor, f32 radius, f32 hal
 /* 80058098-8005820C       .text dLib_checkActorInFan__F4cXyzP10fopAc_ac_cssff */
 bool dLib_checkActorInFan(cXyz center, fopAc_ac_c* actor, s16 angleY, s16 fanSpreadAngle, f32 radius, f32 halfHeight) {
     f32 distXZ = (center - actor->current.pos).absXZ();
-    f32 distY = fabsf(center.y - actor->current.pos.y);
+    f32 distY = std::fabsf(center.y - actor->current.pos.y);
     s16 targetY = cLib_targetAngleY(&center, &actor->current.pos);
     int angleDistY = cLib_distanceAngleS(angleY, targetY);
     if (distXZ < radius && distY < halfHeight && angleDistY < fanSpreadAngle) {
diff --git a/src/d/d_magma.cpp b/src/d/d_magma.cpp
index 8b6634e22..5982d1074 100644
--- a/src/d/d_magma.cpp
+++ b/src/d/d_magma.cpp
@@ -421,7 +421,7 @@ f32 dMagma_packet_c::checkYpos(cXyz& pos) {
         if (floor->mpBalls == NULL)
             continue;
 
-        if (fabsf(pos.y - floor->mPos.y) <= 236.803879f && fabsf(pos.x - floor->mPos.x) <= floor->mScaleX * 500.0f && fabsf(pos.z - floor->mPos.z) <= floor->mScaleZ * 500.0f) {
+        if (std::fabsf(pos.y - floor->mPos.y) <= 236.803879f && std::fabsf(pos.x - floor->mPos.x) <= floor->mScaleX * 500.0f && std::fabsf(pos.z - floor->mPos.z) <= floor->mScaleZ * 500.0f) {
             dMagma_ball_c** ball = floor->mpBalls;
             for (s32 j = 0; j < floor->mBallNum; ball++, j++) {
                 f32 y;
diff --git a/src/d/d_npc_event_cut.inc b/src/d/d_npc_event_cut.inc
index 574ff66da..8896e697e 100644
--- a/src/d/d_npc_event_cut.inc
+++ b/src/d/d_npc_event_cut.inc
@@ -224,8 +224,8 @@ void dNpc_EventCut_c::cutTurnToActorProc() {
 
     s16 tAngle = cLib_targetAngleY(&mpActor->current.pos, &mPos);
     int temp2 = tAngle - mpActor->current.angle.y;
-    f32 temp = fabsf(temp2);
-    if(field_0x44 == temp && fabsf(temp2) < 5376.0f) {
+    f32 temp = std::fabsf(temp2);
+    if(field_0x44 == temp && std::fabsf(temp2) < 5376.0f) {
         cLib_calcTimer(&mTimer);
     }
 
@@ -234,7 +234,7 @@ void dNpc_EventCut_c::cutTurnToActorProc() {
         dComIfGp_evmng_cutEnd(mEvtStaffId);
     }
     
-    field_0x44 = fabsf(tAngle - mpActor->current.angle.y);
+    field_0x44 = std::fabsf(tAngle - mpActor->current.angle.y);
 }
 
 /* 8021D51C-8021D730       .text cutMoveToActorStart__15dNpc_EventCut_cFv */
@@ -462,8 +462,8 @@ void dNpc_EventCut_c::cutTurnToPosProc() {
     }
 
     int temp2 = tAngle - mpActor->current.angle.y;
-    f32 temp = fabsf(temp2);
-    if(field_0x44 == temp && fabsf(temp2) < 5376.0f) {
+    f32 temp = std::fabsf(temp2);
+    if(field_0x44 == temp && std::fabsf(temp2) < 5376.0f) {
         cLib_calcTimer(&mTimer);
     }
 
@@ -472,7 +472,7 @@ void dNpc_EventCut_c::cutTurnToPosProc() {
         dComIfGp_evmng_cutEnd(mEvtStaffId);
     }
     
-    field_0x44 = fabsf(tAngle - mpActor->current.angle.y);
+    field_0x44 = std::fabsf(tAngle - mpActor->current.angle.y);
 }
 
 /* 8021DFB0-8021E168       .text cutMoveToPosStart__15dNpc_EventCut_cFv */
diff --git a/src/d/d_particle.cpp b/src/d/d_particle.cpp
index b93df24f6..b77a83df9 100644
--- a/src/d/d_particle.cpp
+++ b/src/d/d_particle.cpp
@@ -884,7 +884,7 @@ void dPa_waveEcallBack::executeAfter(JPABaseEmitter* emitter) {
     rot.z = 0;
     emitter->setGlobalRotation(rot);
     
-    if (fabsf(speed - mVel) > mVelSpeed) {
+    if (std::fabsf(speed - mVel) > mVelSpeed) {
         if (speed - mVel > 0.0f) {
             speed = mVel + mVelSpeed;
         } else {