| //===-- powidf2_test.cpp - Test __powidf2 ---------------------------------===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is distributed under the University of Illinois Open Source |
| // License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // This file tests __powidf2 for the compiler_rt library. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #include "int_lib.h" |
| #include <stdio.h> |
| #include <math.h> |
| |
| // Returns: a ^ b |
| |
| double __powidf2(double a, si_int b); |
| |
| int test__powidf2(double a, si_int b, double expected) |
| { |
| double x = __powidf2(a, b); |
| int correct = (x == expected) && (signbit(x) == signbit(expected)); |
| if (!correct) |
| printf("error in __powidf2(%f, %d) = %f, expected %f\n", |
| a, b, x, expected); |
| return !correct; |
| } |
| |
| int main() |
| { |
| if (test__powidf2(0, 0, 1)) |
| return 1; |
| if (test__powidf2(1, 0, 1)) |
| return 1; |
| if (test__powidf2(1.5, 0, 1)) |
| return 1; |
| if (test__powidf2(2, 0, 1)) |
| return 1; |
| if (test__powidf2(INFINITY, 0, 1)) |
| return 1; |
| |
| if (test__powidf2(-0., 0, 1)) |
| return 1; |
| if (test__powidf2(-1, 0, 1)) |
| return 1; |
| if (test__powidf2(-1.5, 0, 1)) |
| return 1; |
| if (test__powidf2(-2, 0, 1)) |
| return 1; |
| if (test__powidf2(-INFINITY, 0, 1)) |
| return 1; |
| |
| if (test__powidf2(0, 1, 0)) |
| return 1; |
| if (test__powidf2(0, 2, 0)) |
| return 1; |
| if (test__powidf2(0, 3, 0)) |
| return 1; |
| if (test__powidf2(0, 4, 0)) |
| return 1; |
| if (test__powidf2(0, 0x7FFFFFFE, 0)) |
| return 1; |
| if (test__powidf2(0, 0x7FFFFFFF, 0)) |
| return 1; |
| |
| if (test__powidf2(-0., 1, -0.)) |
| return 1; |
| if (test__powidf2(-0., 2, 0)) |
| return 1; |
| if (test__powidf2(-0., 3, -0.)) |
| return 1; |
| if (test__powidf2(-0., 4, 0)) |
| return 1; |
| if (test__powidf2(-0., 0x7FFFFFFE, 0)) |
| return 1; |
| if (test__powidf2(-0., 0x7FFFFFFF, -0.)) |
| return 1; |
| |
| if (test__powidf2(1, 1, 1)) |
| return 1; |
| if (test__powidf2(1, 2, 1)) |
| return 1; |
| if (test__powidf2(1, 3, 1)) |
| return 1; |
| if (test__powidf2(1, 4, 1)) |
| return 1; |
| if (test__powidf2(1, 0x7FFFFFFE, 1)) |
| return 1; |
| if (test__powidf2(1, 0x7FFFFFFF, 1)) |
| return 1; |
| |
| if (test__powidf2(INFINITY, 1, INFINITY)) |
| return 1; |
| if (test__powidf2(INFINITY, 2, INFINITY)) |
| return 1; |
| if (test__powidf2(INFINITY, 3, INFINITY)) |
| return 1; |
| if (test__powidf2(INFINITY, 4, INFINITY)) |
| return 1; |
| if (test__powidf2(INFINITY, 0x7FFFFFFE, INFINITY)) |
| return 1; |
| if (test__powidf2(INFINITY, 0x7FFFFFFF, INFINITY)) |
| return 1; |
| |
| if (test__powidf2(-INFINITY, 1, -INFINITY)) |
| return 1; |
| if (test__powidf2(-INFINITY, 2, INFINITY)) |
| return 1; |
| if (test__powidf2(-INFINITY, 3, -INFINITY)) |
| return 1; |
| if (test__powidf2(-INFINITY, 4, INFINITY)) |
| return 1; |
| if (test__powidf2(-INFINITY, 0x7FFFFFFE, INFINITY)) |
| return 1; |
| if (test__powidf2(-INFINITY, 0x7FFFFFFF, -INFINITY)) |
| return 1; |
| |
| if (test__powidf2(0, -1, INFINITY)) |
| return 1; |
| if (test__powidf2(0, -2, INFINITY)) |
| return 1; |
| if (test__powidf2(0, -3, INFINITY)) |
| return 1; |
| if (test__powidf2(0, -4, INFINITY)) |
| return 1; |
| if (test__powidf2(0, 0x80000002, INFINITY)) |
| return 1; |
| if (test__powidf2(0, 0x80000001, INFINITY)) |
| return 1; |
| if (test__powidf2(0, 0x80000000, INFINITY)) |
| return 1; |
| |
| if (test__powidf2(-0., -1, -INFINITY)) |
| return 1; |
| if (test__powidf2(-0., -2, INFINITY)) |
| return 1; |
| if (test__powidf2(-0., -3, -INFINITY)) |
| return 1; |
| if (test__powidf2(-0., -4, INFINITY)) |
| return 1; |
| if (test__powidf2(-0., 0x80000002, INFINITY)) |
| return 1; |
| if (test__powidf2(-0., 0x80000001, -INFINITY)) |
| return 1; |
| if (test__powidf2(-0., 0x80000000, INFINITY)) |
| return 1; |
| |
| if (test__powidf2(1, -1, 1)) |
| return 1; |
| if (test__powidf2(1, -2, 1)) |
| return 1; |
| if (test__powidf2(1, -3, 1)) |
| return 1; |
| if (test__powidf2(1, -4, 1)) |
| return 1; |
| if (test__powidf2(1, 0x80000002, 1)) |
| return 1; |
| if (test__powidf2(1, 0x80000001, 1)) |
| return 1; |
| if (test__powidf2(1, 0x80000000, 1)) |
| return 1; |
| |
| if (test__powidf2(INFINITY, -1, 0)) |
| return 1; |
| if (test__powidf2(INFINITY, -2, 0)) |
| return 1; |
| if (test__powidf2(INFINITY, -3, 0)) |
| return 1; |
| if (test__powidf2(INFINITY, -4, 0)) |
| return 1; |
| if (test__powidf2(INFINITY, 0x80000002, 0)) |
| return 1; |
| if (test__powidf2(INFINITY, 0x80000001, 0)) |
| return 1; |
| if (test__powidf2(INFINITY, 0x80000000, 0)) |
| return 1; |
| |
| if (test__powidf2(-INFINITY, -1, -0.)) |
| return 1; |
| if (test__powidf2(-INFINITY, -2, 0)) |
| return 1; |
| if (test__powidf2(-INFINITY, -3, -0.)) |
| return 1; |
| if (test__powidf2(-INFINITY, -4, 0)) |
| return 1; |
| if (test__powidf2(-INFINITY, 0x80000002, 0)) |
| return 1; |
| if (test__powidf2(-INFINITY, 0x80000001, -0.)) |
| return 1; |
| if (test__powidf2(-INFINITY, 0x80000000, 0)) |
| return 1; |
| |
| if (test__powidf2(2, 10, 1024.)) |
| return 1; |
| if (test__powidf2(-2, 10, 1024.)) |
| return 1; |
| if (test__powidf2(2, -10, 1/1024.)) |
| return 1; |
| if (test__powidf2(-2, -10, 1/1024.)) |
| return 1; |
| |
| if (test__powidf2(2, 19, 524288.)) |
| return 1; |
| if (test__powidf2(-2, 19, -524288.)) |
| return 1; |
| if (test__powidf2(2, -19, 1/524288.)) |
| return 1; |
| if (test__powidf2(-2, -19, -1/524288.)) |
| return 1; |
| |
| if (test__powidf2(2, 31, 2147483648.)) |
| return 1; |
| if (test__powidf2(-2, 31, -2147483648.)) |
| return 1; |
| if (test__powidf2(2, -31, 1/2147483648.)) |
| return 1; |
| if (test__powidf2(-2, -31, -1/2147483648.)) |
| return 1; |
| |
| return 0; |
| } |
