From 04583ea534a30048978891121cb2df8a442c507d Mon Sep 17 00:00:00 2001
From: Josh warner <jwarner@radio.ecovate.com>
Date: Thu, 6 Aug 2009 10:34:28 -0600
Subject: [PATCH] floating point test code

---
 test/AllFloats.java | 77 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 77 insertions(+)
 create mode 100644 test/AllFloats.java

diff --git a/test/AllFloats.java b/test/AllFloats.java
new file mode 100644
index 0000000000..8f41c4d20e
--- /dev/null
+++ b/test/AllFloats.java
@@ -0,0 +1,77 @@
+public class AllFloats {
+  private static float multiplyByFive(float a) {return 5f * a;}
+  private static double multiplyByFive(double a) {return 5d * a;}
+  private static float multiply(float a, float b) {return a * b;}
+  private static double multiply(double a, double b) {return a * b;}
+  private static double multiply(float a, double b) {return a * b;}
+  private static float divide(float a, float b) {return a / b;}
+  private static double divide(double a, double b) {return a / b;}
+  private static double divide(float a, double b) {return a / b;}
+  private static float add(float a, float b) {return a + b;}
+  private static double add(double a, double b) {return a + b;}
+  private static double add(float a, double b) {return a + b;}
+  private static float subtract(float a, float b) {return a - b;}
+  private static double subtract(double a, double b) {return a - b;}
+  private static double subtract(float a, double b) {return a - b;}
+  private static float complex(float a, float b) {return (a - b) / (a * b) + (float)Math.sqrt(a);}
+  private static double complex(double a, double b) {return (a - b) / (a * b) + Math.sqrt(a);}
+  private static double complex(float a, double b) {return (a - b) / (a * b) + Math.sqrt(a);}
+  private static int f2i(float a) {return (int)a;}
+  private static long f2l(float a) {return (long)a;}
+  private static float i2f(int a) {return (float)a;}
+  private static double i2d(int a) {return (double)a;}
+  private static int d2i(double a) {return (int)a;}
+  private static long d2l(double a) {return (long)a;}
+  private static float l2f(long a) {return (float)a;}
+  private static double l2d(long a) {return (double)a;}
+  private static float negate(float a) {return -a;}
+  private static double negate(double a) {return -a;}
+  private static int abs(int a) {return Math.abs(a);}
+  private static float abs(float a) {return Math.abs(a);}
+  
+  private static void expect(boolean v) {
+    if(!v)throw new RuntimeException();
+  }
+  
+  private static int last(){return 0;}
+  
+  public static void main(String[] args) {
+    expect(multiplyByFive(36f) == 5f * 36f);
+    expect(multiplyByFive(36d) == 5d * 36d);
+    expect(multiply(5f, 4f) == 5f*4f);
+    expect(multiply(5d, 4d) == 5d*4d);
+    expect(multiply(5f, 4d) == 5f*4d);
+    expect(divide(5f, 2f) == 5f/2f);
+    expect(divide(5d, 2d) == 5d/2d);
+    expect(divide(5f, 2d) == 5f/2d);
+    expect(add(5f, 4f) == 5f+4f);
+    expect(add(5d, 4d) == 5f+4d);
+    expect(add(5f, 4f) == 5f+4d);
+    expect(subtract(5f, 4f) == 5f-4f);
+    expect(subtract(5d, 4d) == 5f-4d);
+    expect(subtract(5f, 4f) == 5f-4d);
+    expect(complex(4f, 3f) == (4f-3f)/(4f*3f) + 2f);
+    expect(complex(4d, 3d) == (4d-3d)/(4d*3d) + 2d);
+    expect(complex(4f, 3d) == (4f-3d)/(4f*3d) + 2f);
+    
+    expect(f2i(4f) == 4);
+    expect(f2l(4f) == 4);
+    expect(i2f(4) == 4f);
+    expect(i2d(4) == 4d);
+    
+    expect(d2i(4d) == 4);
+    expect(d2l(4d) == 4);
+    expect(l2f(4) == 4f);
+    expect(l2d(4) == 4d);
+    
+    expect(negate(4f) == -4f);
+    expect(negate(4d) == -4d);
+    
+    expect(abs(-4) == 4);
+    expect(abs(12) == 12);
+    expect(abs(-4f) == 4f);
+    expect(abs(12f) == 12f);
+    
+    int unused = last();
+  }
+}