hotspot虚拟机源码
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public class FloatArithTests {
private static float test_neg(float a) {
return -a;
}
private static float test_add(float a, float b) {
return a + b;
}
private static float test_sub(float a, float b) {
return a - b;
}
private static float test_mul(float a, float b) {
return a * b;
}
private static float test_div(float a, float b) {
return a / b;
}
private static float test_rem(float a, float b) {
return a % b;
}
private static void assertThat(boolean assertion) {
if (! assertion) {
throw new AssertionError();
}
}
public static void main(String[] args) {
assertThat(test_neg(10F) == -10F);
assertThat(test_add(3F, 2F) == 5F);
assertThat(test_sub(40F, 13F) == 27F);
assertThat(test_mul(5F, 200F) == 1000F);
assertThat(test_div(30F, 3F) == 10F);
assertThat(test_div(30, 0) == Float.POSITIVE_INFINITY);
assertThat(test_rem(30F, 3F) == 0);
assertThat(test_rem(29F, 3F) == 2F);
assertThat(Float.isNaN(test_rem(30F, 0F)));
}
}