clean up experimental setup and keep using ffast-math flag

Summary: Remove experimental setup of fast-math and add `-ffast-math` as a compiler flag for yoga.

Reviewed By: emilsjolander

Differential Revision: D7414228

fbshipit-source-id: 320e1b1953f6af867b13e617af7872eb8999160e

BUCK

@@ -32,20 +32,6 @@ cxx_library(
     ],
 )
 
-cxx_library(
-    name = "yogafastmath",
-    srcs = glob(["yoga/*.cpp"]),
-    header_namespace = "",
-    exported_headers = subdir_glob([("", "yoga/*.h")]),
-    compiler_flags = COMPILER_FLAGS + ["-ffast-math"],
-    soname = "libyogafastmathcore.$(ext)",
-    tests = [":YogaTests"],
-    visibility = ["PUBLIC"],
-    deps = [
-        yoga_dep("lib/fb:ndklog"),
-    ],
-)
-
 cxx_test(
     name = "YogaTests",
     srcs = glob(["tests/*.cpp"]),

java/BUCK

@@ -28,29 +28,6 @@ cxx_library(
     ],
 )
 
-cxx_library(
-    name = "jniFastMath",
-    srcs = glob(["jni/*.cpp"]),
-    header_namespace = "",
-    compiler_flags = [
-        "-fno-omit-frame-pointer",
-        "-fexceptions",
-        "-fPIC",
-        "-Wall",
-        "-Werror",
-        "-O3",
-        "-std=c++11",
-    ],
-    platforms = ANDROID,
-    soname = "libyogafastmath.$(ext)",
-    visibility = ["PUBLIC"],
-    deps = [
-        FBJNI_TARGET,
-        JNI_TARGET,
-        yoga_dep(":yogafastmath"),
-    ],
-)
-
 java_library(
     name = "java",
     srcs = glob(["com/facebook/yoga/*.java"]),
@@ -63,7 +40,6 @@ java_library(
     visibility = ["PUBLIC"],
     deps = [
         ":jni",
-        ":jniFastMath",
         INFER_ANNOTATIONS_TARGET,
         JSR_305_TARGET,
         PROGRUARD_ANNOTATIONS_TARGET,

java/com/facebook/yoga/YogaConfig.java

@@ -16,11 +16,7 @@ public class YogaConfig {
   public static int SPACING_TYPE = 1;
 
   static {
-    if (YogaConstants.shouldUseFastMath) {
-      SoLoader.loadLibrary("yogafastmath");
-    } else {
       SoLoader.loadLibrary("yoga");
-    }
   }
 
   long mNativePointer;

java/com/facebook/yoga/YogaConstants.java

@@ -18,8 +18,6 @@ public class YogaConstants {
    */
   public static final float UNDEFINED = (float) (10E20);
 
-  public static boolean shouldUseFastMath = false;
-
   public static boolean isUndefined(float value) {
     // Value of a float in the case of it being not defined is 10.1E20. Earlier it used to be NAN,
     // the benefit of which

java/com/facebook/yoga/YogaNode.java

@@ -17,11 +17,7 @@
 public class YogaNode implements Cloneable {
 
   static {
-    if (YogaConstants.shouldUseFastMath) {
-      SoLoader.loadLibrary("yogafastmath");
-    } else {
       SoLoader.loadLibrary("yoga");
-    }
   }
 
   /**

yoga_defs.bzl

@@ -32,6 +32,7 @@ BASE_COMPILER_FLAGS = [
   '-Wall',
   '-Werror',
   '-O3',
+  '-ffast-math',
 ]
 
 LIBRARY_COMPILER_FLAGS = BASE_COMPILER_FLAGS + [
@@ -112,4 +113,3 @@ def prebuilt_jar(*args, **kwargs):
 
 def is_apple_platform():
   return True
-