Add functions and tests for v3.7.0

Author: Isaac Brodsky

.gitignore

@@ -24,3 +24,5 @@ pom.xml.releaseBackup
 pom.xml.versionsBackup
 pom.xml.next
 release.properties
+
+.vscode/

CHANGELOG.md

@@ -7,6 +7,19 @@ file [H3Core.java](./src/main/java/com/uber/h3core/H3Core.java), and support
 for the Linux x64 and Darwin x64 platforms.
 
 ## [Unreleased]
+## Added
+- Area and haversine distance functions
+    - `cellAreaRads2`
+    - `cellAreaKm2`
+    - `cellAreaM2`
+    - `pointDistRads`
+    - `pointDistKm`
+    - `pointDistM`
+    - `exactEdgeLengthRads`
+    - `exactEdgeLengthKm`
+    - `exactEdgeLengthM`
+## Changed
+- Updated the core library to v3.7.0.
 
 ## [3.6.4] - 2020-06-29
 ### Changed

h3version.properties

@@ -1 +1 @@
-h3.git.reference=v3.6.4
+h3.git.reference=v3.7.0

src/main/c/h3-java/src/jniapi.c

@@ -763,6 +763,106 @@ JNIEXPORT jint JNICALL Java_com_uber_h3core_NativeMethods_uncompact(
     return ret;
 }
 
+/*
+ * Class:     com_uber_h3core_NativeMethods
+ * Method:    cellAreaRads2
+ * Signature: (J)D
+ */
+JNIEXPORT jdouble JNICALL Java_com_uber_h3core_NativeMethods_cellAreaRads2(
+    JNIEnv *env, jobject thiz, jlong h3) {
+    return cellAreaRads2(h3);
+}
+
+/*
+ * Class:     com_uber_h3core_NativeMethods
+ * Method:    cellAreaKm2
+ * Signature: (J)D
+ */
+JNIEXPORT jdouble JNICALL Java_com_uber_h3core_NativeMethods_cellAreaKm2(
+    JNIEnv *env, jobject thiz, jlong h3) {
+    return cellAreaKm2(h3);
+}
+
+/*
+ * Class:     com_uber_h3core_NativeMethods
+ * Method:    cellAreaM2
+ * Signature: (J)D
+ */
+JNIEXPORT jdouble JNICALL Java_com_uber_h3core_NativeMethods_cellAreaM2(
+    JNIEnv *env, jobject thiz, jlong h3) {
+    return cellAreaM2(h3);
+}
+
+/*
+ * Class:     com_uber_h3core_NativeMethods
+ * Method:    pointDistRads
+ * Signature: (DDDD)D
+ */
+JNIEXPORT jdouble JNICALL Java_com_uber_h3core_NativeMethods_pointDistRads(
+    JNIEnv *env, jobject thiz, jdouble lat1, jdouble lon1, jdouble lat2,
+    jdouble lon2) {
+    GeoCoord c1 = {.lat = lat1, .lon = lon1};
+    GeoCoord c2 = {.lat = lat2, .lon = lon2};
+    return pointDistRads(&c1, &c2);
+}
+
+/*
+ * Class:     com_uber_h3core_NativeMethods
+ * Method:    pointDistKm
+ * Signature: (DDDD)D
+ */
+JNIEXPORT jdouble JNICALL Java_com_uber_h3core_NativeMethods_pointDistKm(
+    JNIEnv *env, jobject thiz, jdouble lat1, jdouble lon1, jdouble lat2,
+    jdouble lon2) {
+    GeoCoord c1 = {.lat = lat1, .lon = lon1};
+    GeoCoord c2 = {.lat = lat2, .lon = lon2};
+    return pointDistKm(&c1, &c2);
+}
+
+/*
+ * Class:     com_uber_h3core_NativeMethods
+ * Method:    pointDistM
+ * Signature: (DDDD)D
+ */
+JNIEXPORT jdouble JNICALL Java_com_uber_h3core_NativeMethods_pointDistM(
+    JNIEnv *env, jobject thiz, jdouble lat1, jdouble lon1, jdouble lat2,
+    jdouble lon2) {
+    GeoCoord c1 = {.lat = lat1, .lon = lon1};
+    GeoCoord c2 = {.lat = lat2, .lon = lon2};
+    return pointDistM(&c1, &c2);
+}
+
+/*
+ * Class:     com_uber_h3core_NativeMethods
+ * Method:    exactEdgeLengthRads
+ * Signature: (J)D
+ */
+JNIEXPORT jdouble JNICALL
+Java_com_uber_h3core_NativeMethods_exactEdgeLengthRads(JNIEnv *env,
+                                                       jobject thiz, jlong h3) {
+    return exactEdgeLengthRads(h3);
+}
+
+/*
+ * Class:     com_uber_h3core_NativeMethods
+ * Method:    exactEdgeLengthKm
+ * Signature: (J)D
+ */
+JNIEXPORT jdouble JNICALL Java_com_uber_h3core_NativeMethods_exactEdgeLengthKm(
+    JNIEnv *env, jobject thiz, jlong h3) {
+    return exactEdgeLengthKm(h3);
+}
+
+/*
+ * Class:     com_uber_h3core_NativeMethods
+ * Method:    exactEdgeLengthM
+ * Signature: (J)D
+ */
+JNIEXPORT jdouble JNICALL Java_com_uber_h3core_NativeMethods_exactEdgeLengthM(
+    JNIEnv *env, jobject thiz, jlong h3) {
+    return exactEdgeLengthM(h3);
+}
+
 /*
  * Class:     com_uber_h3core_NativeMethods
  * Method:    hexAreaKm2

src/main/java/com/uber/h3core/AreaUnit.java

@@ -19,6 +19,10 @@
  * Unit of measurement for areas.
  */
 public enum AreaUnit {
+    /**
+     * Square radians on the WGS84 sphere
+     */
+    rads2,
     /**
      * Square kilometers
      */