Drop FXSYS_ from math methods

This Cl drops the FXSYS_ from math methods which are the same on all
platforms.

Bug: pdfium:694
Change-Id: I85c9ff841fd9095b1434f67319847ba0cd9df7ac
Reviewed-on: https://pdfium-review.googlesource.com/3598
Commit-Queue: dsinclair <dsinclair@chromium.org>
Reviewed-by: Tom Sepez <tsepez@chromium.org>

4 files changed, 17 insertions, 20 deletions

diff --git a/xfa/fde/cfde_path.cpp b/xfa/fde/cfde_path.cpp
index 4afa718978..a7d2e47ac1 100644
--- a/xfa/fde/cfde_path.cpp
+++ b/xfa/fde/cfde_path.cpp
@@ -41,10 +41,9 @@ void CFDE_Path::ArcTo(bool bStart,
   float ry = rect.height / 2;
   float cx = rect.left + rx;
   float cy = rect.top + ry;
-  float alpha =
-      FXSYS_atan2(rx * FXSYS_sin(startAngle), ry * FXSYS_cos(startAngle));
-  float beta = FXSYS_atan2(rx * FXSYS_sin(endAngle), ry * FXSYS_cos(endAngle));
-  if (FXSYS_fabs(beta - alpha) > FX_PI) {
+  float alpha = atan2(rx * sin(startAngle), ry * cos(startAngle));
+  float beta = atan2(rx * sin(endAngle), ry * cos(endAngle));
+  if (fabs(beta - alpha) > FX_PI) {
     if (beta > alpha)
       beta -= 2 * FX_PI;
     else
@@ -52,11 +51,11 @@ void CFDE_Path::ArcTo(bool bStart,
   }
 
   float half_delta = (beta - alpha) / 2;
-  float bcp = 4.0f / 3 * (1 - FXSYS_cos(half_delta)) / FXSYS_sin(half_delta);
-  float sin_alpha = FXSYS_sin(alpha);
-  float sin_beta = FXSYS_sin(beta);
-  float cos_alpha = FXSYS_cos(alpha);
-  float cos_beta = FXSYS_cos(beta);
+  float bcp = 4.0f / 3 * (1 - cos(half_delta)) / sin(half_delta);
+  float sin_alpha = sin(alpha);
+  float sin_beta = sin(beta);
+  float cos_alpha = cos(alpha);
+  float cos_beta = cos(beta);
   if (bStart)
     MoveTo(CFX_PointF(cx + rx * cos_alpha, cy + ry * sin_alpha));
 
@@ -154,8 +153,8 @@ void CFDE_Path::AddEllipse(const CFX_RectF& rect) {
 
 void CFDE_Path::AddLine(const CFX_PointF& pt1, const CFX_PointF& pt2) {
   std::vector<FX_PATHPOINT>& points = m_Path.GetPoints();
-  if (points.empty() || FXSYS_fabs(points.back().m_Point.x - pt1.x) > 0.001 ||
-      FXSYS_fabs(points.back().m_Point.y - pt1.y) > 0.001) {
+  if (points.empty() || fabs(points.back().m_Point.x - pt1.x) > 0.001 ||
+      fabs(points.back().m_Point.y - pt1.y) > 0.001) {
     MoveTo(pt1);
   }
   LineTo(pt2);
@@ -180,8 +179,8 @@ void CFDE_Path::AddPolygon(const std::vector<CFX_PointF>& points) {
 
   AddLines(points);
   const CFX_PointF* p = points.data();
-  if (FXSYS_fabs(p[0].x - p[iCount - 1].x) < 0.01f ||
-      FXSYS_fabs(p[0].y - p[iCount - 1].y) < 0.01f) {
+  if (fabs(p[0].x - p[iCount - 1].x) < 0.01f ||
+      fabs(p[0].y - p[iCount - 1].y) < 0.01f) {
     LineTo(p[0]);
   }
   CloseFigure();
diff --git a/xfa/fde/cfde_renderdevice.cpp b/xfa/fde/cfde_renderdevice.cpp
index d3456e17cb..6f2431737b 100644
--- a/xfa/fde/cfde_renderdevice.cpp
+++ b/xfa/fde/cfde_renderdevice.cpp
@@ -57,10 +57,9 @@ void CFDE_RenderDevice::RestoreState() {
 
 bool CFDE_RenderDevice::SetClipRect(const CFX_RectF& rtClip) {
   m_rtClip = rtClip;
-  return m_pDevice->SetClip_Rect(FX_RECT((int32_t)FXSYS_floor(rtClip.left),
-                                         (int32_t)FXSYS_floor(rtClip.top),
-                                         (int32_t)FXSYS_ceil(rtClip.right()),
-                                         (int32_t)FXSYS_ceil(rtClip.bottom())));
+  return m_pDevice->SetClip_Rect(
+      FX_RECT((int32_t)floor(rtClip.left), (int32_t)floor(rtClip.top),
+              (int32_t)ceil(rtClip.right()), (int32_t)ceil(rtClip.bottom())));
 }
 
 const CFX_RectF& CFDE_RenderDevice::GetClipRect() {
diff --git a/xfa/fde/cfde_txtedtengine.cpp b/xfa/fde/cfde_txtedtengine.cpp
index 15edfc1c1c..37e3e118d1 100644
--- a/xfa/fde/cfde_txtedtengine.cpp
+++ b/xfa/fde/cfde_txtedtengine.cpp
@@ -283,8 +283,7 @@ int32_t CFDE_TxtEdtEngine::MoveCaretPos(FDE_TXTEDTMOVECARET eMoveCaret,
       break;
   }
   if (bShift && m_nAnchorPos != -1 && (m_nAnchorPos != m_nCaret)) {
-    AddSelRange(std::min(m_nAnchorPos, m_nCaret),
-                FXSYS_abs(m_nAnchorPos - m_nCaret));
+    AddSelRange(std::min(m_nAnchorPos, m_nCaret), abs(m_nAnchorPos - m_nCaret));
     m_Param.pEventSink->OnSelChanged();
   }
   if (bSelChange)
diff --git a/xfa/fde/css/cfde_cssnumbervalue.cpp b/xfa/fde/css/cfde_cssnumbervalue.cpp
index e74ca5b859..45a9c917b1 100644
--- a/xfa/fde/css/cfde_cssnumbervalue.cpp
+++ b/xfa/fde/css/cfde_cssnumbervalue.cpp
@@ -8,7 +8,7 @@
 
 CFDE_CSSNumberValue::CFDE_CSSNumberValue(FDE_CSSNumberType type, float value)
     : CFDE_CSSValue(FDE_CSSPrimitiveType::Number), type_(type), value_(value) {
-  if (type_ == FDE_CSSNumberType::Number && FXSYS_fabs(value_) < 0.001f)
+  if (type_ == FDE_CSSNumberType::Number && fabs(value_) < 0.001f)
     value_ = 0.0f;
 }