Add multiplication for floats/doubles in optimizing compiler
Change-Id: I61de8ce1d9e37e30db62e776979b3f22dc643894
diff --git a/test/411-optimizing-arith/src/Main.java b/test/411-optimizing-arith/src/Main.java
index ab8a83f..4de2271 100644
--- a/test/411-optimizing-arith/src/Main.java
+++ b/test/411-optimizing-arith/src/Main.java
@@ -16,7 +16,6 @@
// Note that $opt$ is a marker for the optimizing compiler to ensure
// it does compile the method.
-
public class Main {
public static void expectEquals(int expected, int result) {
@@ -31,29 +30,140 @@
}
}
+ public static void expectEquals(float expected, float result) {
+ if (expected != result) {
+ throw new Error("Expected: " + expected + ", found: " + result);
+ }
+ }
+
+ public static void expectEquals(double expected, double result) {
+ if (expected != result) {
+ throw new Error("Expected: " + expected + ", found: " + result);
+ }
+ }
+
+ public static void expectApproxEquals(float a, float b, float maxDelta) {
+ boolean aproxEquals = (a > b)
+ ? ((a - b) < maxDelta)
+ : ((b - a) < maxDelta);
+ if (!aproxEquals) {
+ throw new Error("Expected: " + a + ", found: " + b + ", with delta: " + maxDelta);
+ }
+ }
+
+ public static void expectApproxEquals(double a, double b, double maxDelta) {
+ boolean aproxEquals = (a > b)
+ ? ((a - b) < maxDelta)
+ : ((b - a) < maxDelta);
+ if (!aproxEquals) {
+ throw new Error("Expected: " + a + ", found: " + b + ", with delta: " + maxDelta);
+ }
+ }
+
+ public static void expectNaN(float a) {
+ if (a == a) {
+ throw new Error("Expected NaN: " + a);
+ }
+ }
+
+ public static void expectNaN(double a) {
+ if (a == a) {
+ throw new Error("Expected NaN: " + a);
+ }
+ }
+
public static void main(String[] args) {
mul();
neg();
}
public static void mul() {
+ mulInt();
+ mulLong();
+ mulFloat();
+ mulDouble();
+ }
+
+ private static void mulInt() {
expectEquals(15, $opt$Mul(5, 3));
+ expectEquals(0, $opt$Mul(0, 0));
expectEquals(0, $opt$Mul(0, 3));
expectEquals(0, $opt$Mul(3, 0));
expectEquals(-3, $opt$Mul(1, -3));
expectEquals(36, $opt$Mul(-12, -3));
expectEquals(33, $opt$Mul(1, 3) * 11);
expectEquals(671088645, $opt$Mul(134217729, 5)); // (2^27 + 1) * 5
+ }
+ private static void mulLong() {
expectEquals(15L, $opt$Mul(5L, 3L));
+ expectEquals(0L, $opt$Mul(0L, 0L));
expectEquals(0L, $opt$Mul(0L, 3L));
expectEquals(0L, $opt$Mul(3L, 0L));
expectEquals(-3L, $opt$Mul(1L, -3L));
expectEquals(36L, $opt$Mul(-12L, -3L));
- expectEquals(33L, $opt$Mul(1L, 3L) * 11);
+ expectEquals(33L, $opt$Mul(1L, 3L) * 11F);
expectEquals(240518168583L, $opt$Mul(34359738369L, 7L)); // (2^35 + 1) * 7
}
+ private static void mulFloat() {
+ expectApproxEquals(15F, $opt$Mul(5F, 3F), 0.0001F);
+ expectApproxEquals(0F, $opt$Mul(0F, 0F), 0.0001F);
+ expectApproxEquals(0F, $opt$Mul(0F, 3F), 0.0001F);
+ expectApproxEquals(0F, $opt$Mul(3F, 0F), 0.0001F);
+ expectApproxEquals(-3F, $opt$Mul(1F, -3F), 0.0001F);
+ expectApproxEquals(36F, $opt$Mul(-12F, -3F), 0.0001F);
+ expectApproxEquals(33F, $opt$Mul(1F, 3F) * 11F, 0.0001F);
+ expectApproxEquals(0.02F, 0.1F * 0.2F, 0.0001F);
+ expectApproxEquals(-0.1F, -0.5F * 0.2F, 0.0001F);
+
+ expectNaN($opt$Mul(0F, Float.POSITIVE_INFINITY));
+ expectNaN($opt$Mul(0F, Float.NEGATIVE_INFINITY));
+ expectNaN($opt$Mul(Float.NaN, 11F));
+ expectNaN($opt$Mul(Float.NaN, -11F));
+ expectNaN($opt$Mul(Float.NaN, Float.NEGATIVE_INFINITY));
+ expectNaN($opt$Mul(Float.NaN, Float.POSITIVE_INFINITY));
+
+ expectEquals(Float.POSITIVE_INFINITY, $opt$Mul(2F, 3.40282346638528860e+38F));
+ expectEquals(Float.POSITIVE_INFINITY, $opt$Mul(2F, Float.POSITIVE_INFINITY));
+ expectEquals(Float.NEGATIVE_INFINITY, $opt$Mul(-2F, Float.POSITIVE_INFINITY));
+ expectEquals(Float.NEGATIVE_INFINITY, $opt$Mul(-2F, 3.40282346638528860e+38F));
+ expectEquals(Float.NEGATIVE_INFINITY, $opt$Mul(2F, Float.NEGATIVE_INFINITY));
+ expectEquals(Float.POSITIVE_INFINITY, $opt$Mul(-2F, Float.NEGATIVE_INFINITY));
+ expectEquals(Float.NEGATIVE_INFINITY, $opt$Mul(Float.POSITIVE_INFINITY, Float.NEGATIVE_INFINITY));
+ expectEquals(Float.POSITIVE_INFINITY, $opt$Mul(Float.POSITIVE_INFINITY, Float.POSITIVE_INFINITY));
+ expectEquals(Float.POSITIVE_INFINITY, $opt$Mul(Float.NEGATIVE_INFINITY, Float.NEGATIVE_INFINITY));
+ }
+
+ private static void mulDouble() {
+ expectApproxEquals(15D, $opt$Mul(5D, 3D), 0.0001D);
+ expectApproxEquals(0D, $opt$Mul(0D, 0D), 0.0001D);
+ expectApproxEquals(0D, $opt$Mul(0D, 3D), 0.0001D);
+ expectApproxEquals(0D, $opt$Mul(3D, 0D), 0.0001D);
+ expectApproxEquals(-3D, $opt$Mul(1D, -3D), 0.0001D);
+ expectApproxEquals(36D, $opt$Mul(-12D, -3D), 0.0001D);
+ expectApproxEquals(33D, $opt$Mul(1D, 3D) * 11D, 0.0001D);
+ expectApproxEquals(0.02D, 0.1D * 0.2D, 0.0001D);
+ expectApproxEquals(-0.1D, -0.5D * 0.2D, 0.0001D);
+
+ expectNaN($opt$Mul(0D, Double.POSITIVE_INFINITY));
+ expectNaN($opt$Mul(0D, Double.NEGATIVE_INFINITY));
+ expectNaN($opt$Mul(Double.NaN, 11D));
+ expectNaN($opt$Mul(Double.NaN, -11D));
+ expectNaN($opt$Mul(Double.NaN, Double.NEGATIVE_INFINITY));
+ expectNaN($opt$Mul(Double.NaN, Double.POSITIVE_INFINITY));
+
+ expectEquals(Double.POSITIVE_INFINITY, $opt$Mul(2D, 1.79769313486231570e+308));
+ expectEquals(Double.POSITIVE_INFINITY, $opt$Mul(2D, Double.POSITIVE_INFINITY));
+ expectEquals(Double.NEGATIVE_INFINITY, $opt$Mul(-2D, Double.POSITIVE_INFINITY));
+ expectEquals(Double.NEGATIVE_INFINITY, $opt$Mul(-2D, 1.79769313486231570e+308));
+ expectEquals(Double.NEGATIVE_INFINITY, $opt$Mul(2D, Double.NEGATIVE_INFINITY));
+ expectEquals(Double.POSITIVE_INFINITY, $opt$Mul(-2D, Double.NEGATIVE_INFINITY));
+ expectEquals(Double.NEGATIVE_INFINITY, $opt$Mul(Double.POSITIVE_INFINITY, Double.NEGATIVE_INFINITY));
+ expectEquals(Double.POSITIVE_INFINITY, $opt$Mul(Double.POSITIVE_INFINITY, Double.POSITIVE_INFINITY));
+ expectEquals(Double.POSITIVE_INFINITY, $opt$Mul(Double.NEGATIVE_INFINITY, Double.NEGATIVE_INFINITY));
+ }
+
public static void neg() {
expectEquals(-1, $opt$Neg(1));
expectEquals(1, $opt$Neg(-1));
@@ -90,7 +200,16 @@
return a * b;
}
+ static float $opt$Mul(float a, float b) {
+ return a * b;
+ }
+
+ static double $opt$Mul(double a, double b) {
+ return a * b;
+ }
+
static int $opt$Neg(int a){
return -a;
}
+
}