libc/test/src/math/in_float_range_test_helper.h

   1 //
   2 // Created by kirill on 8/30/22.
   3 //
   4
   5 #ifndef LLVM_IN_FLOAT_RANGE_TEST_HELPER_H
   6 #define LLVM_IN_FLOAT_RANGE_TEST_HELPER_H
   7
   8 #include <stdint.h>
   9
  10 #define CHECK_DATA(start, stop, mfp_op, f, f_check, count, prec)               \
  11   {                                                                            \
  12     uint64_t ustart = FPBits(start).uintval();                                 \
  13     uint64_t ustop = FPBits(stop).uintval();                                   \
  14     for (uint64_t i = 0;; ++i) {                                               \
  15       uint64_t v = ustart + (ustop - ustart) * i / count;                      \
  16       if (v > ustop)                                                           \
  17         break;                                                                 \
  18       float x = FPBits(uint32_t(v)).get_val();                                 \
  19       if ((f_check)(x)) {                                                      \
  20         EXPECT_MPFR_MATCH_ALL_ROUNDING(mfp_op, x, static_cast<float>((f)(x)),  \
  21                                        (prec));                                \
  22       }                                                                        \
  23     }                                                                          \
  24   }
  25
  26 #endif // LLVM_IN_FLOAT_RANGE_TEST_HELPER_H