Adhemerval Zanella 39bf95c1ba math: Suppress clang -Wabsolute-value warning on math_check_force_underflow ...

clang warns:

  ../sysdeps/x86/fpu/powl_helper.c:233:3: error: absolute value function
  '__builtin_fabsf' given an argument of type 'typeof (res)' (aka 'long
  double') but has parameter of type 'float' which may cause truncation of
  value [-Werror,-Wabsolute-value]
    math_check_force_underflow (res);
    ^
  ./math-underflow.h:45:11: note: expanded from macro
  'math_check_force_underflow'
        if (fabs_tg (force_underflow_tmp)                         \
            ^
  ./math-underflow.h:27:20: note: expanded from macro 'fabs_tg'
  #define fabs_tg(x) __MATH_TG ((x), (__typeof (x)) __builtin_fabs, (x))
                     ^
  ../math/math.h:899:16: note: expanded from macro '__MATH_TG'
                 float: FUNC ## f ARGS,           \
                        ^
  <scratch space>:73:1: note: expanded from here
  __builtin_fabsf
  ^

Due the use of _Generic from TG_MATH.

Reviewed-by: Sam James <sam@gentoo.org>

2025-10-21 09:24:21 -03:00

3.1 KiB

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