================ @@ -0,0 +1,67 @@ +/// Assert the fixed point precision macros according to N1169 7.18a.3 are +/// defined when -ffixed-point is provided. + +// RUN: %clang_cc1 -triple=x86_64 -E -dM -ffixed-point -x c < /dev/null | FileCheck -match-full-lines %s +// RUN: %clang_cc1 -triple=x86_64 -E -dM -ffixed-point -x c++ < /dev/null | FileCheck -match-full-lines %s + +/// These are the implementation-defined values for x86_64. +// CHECK-DAG:#define __SFRACT_EPSILON__ 0.0078125hr +// CHECK-DAG:#define __SFRACT_FBIT__ 7 +// CHECK-DAG:#define __SFRACT_MAX__ 0.9921875hr +// CHECK-DAG:#define __SFRACT_MIN__ (-0.5hr-0.5hr) + +// CHECK-DAG:#define __USFRACT_EPSILON__ 0.00390625uhr +// CHECK-DAG:#define __USFRACT_FBIT__ 8 +// CHECK-DAG:#define __USFRACT_MAX__ 0.99609375uhr ---------------- PiJoules wrote:
I believe those values are just example values for `7.18a.3 Precision macros` and the actual values are implementation defined: ``` The values in the following list shall be replaced by constant expressions with implementation-defined values with the same type ``` The values in this test come from the "typical desktop processor" example in `A.3 Possible Data Type Implementations`. https://github.com/llvm/llvm-project/pull/81207 _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
