//===-- fixsfdi_test.c - Test __fixsfdi -----------------------------------===// // // The LLVM Compiler Infrastructure // // This file is dual licensed under the MIT and the University of Illinois Open // Source Licenses. See LICENSE.TXT for details. // //===----------------------------------------------------------------------===// // // This file tests __fixsfdi for the compiler_rt library. // //===----------------------------------------------------------------------===// #include "int_lib.h" #include <stdio.h> // Returns: convert a to a signed long long, rounding toward zero. // Assumption: float is a IEEE 32 bit floating point type // su_int is a 32 bit integral type // value in float is representable in di_int (no range checking performed) // seee eeee emmm mmmm mmmm mmmm mmmm mmmm COMPILER_RT_ABI di_int __fixsfdi(float a); int test__fixsfdi(float a, di_int expected) { di_int x = __fixsfdi(a); if (x != expected) printf("error in __fixsfdi(%A) = %llX, expected %llX\n", a, x, expected); return x != expected; } char assumption_1[sizeof(di_int) == 2*sizeof(si_int)] = {0}; char assumption_2[sizeof(su_int)*CHAR_BIT == 32] = {0}; char assumption_3[sizeof(float)*CHAR_BIT == 32] = {0}; int main() { if (test__fixsfdi(0.0F, 0)) return 1; if (test__fixsfdi(0.5F, 0)) return 1; if (test__fixsfdi(0.99F, 0)) return 1; if (test__fixsfdi(1.0F, 1)) return 1; if (test__fixsfdi(1.5F, 1)) return 1; if (test__fixsfdi(1.99F, 1)) return 1; if (test__fixsfdi(2.0F, 2)) return 1; if (test__fixsfdi(2.01F, 2)) return 1; if (test__fixsfdi(-0.5F, 0)) return 1; if (test__fixsfdi(-0.99F, 0)) return 1; if (test__fixsfdi(-1.0F, -1)) return 1; if (test__fixsfdi(-1.5F, -1)) return 1; if (test__fixsfdi(-1.99F, -1)) return 1; if (test__fixsfdi(-2.0F, -2)) return 1; if (test__fixsfdi(-2.01F, -2)) return 1; if (test__fixsfdi(0x1.FFFFFEp+62F, 0x7FFFFF8000000000LL)) return 1; if (test__fixsfdi(0x1.FFFFFCp+62F, 0x7FFFFF0000000000LL)) return 1; if (test__fixsfdi(-0x1.FFFFFEp+62F, 0x8000008000000000LL)) return 1; if (test__fixsfdi(-0x1.FFFFFCp+62F, 0x8000010000000000LL)) return 1; return 0; } |