Function fastfloat_strncasecmp

source/extern/fast_float.h:353–360

// Compares two ASCII strings in a case insensitive manner.
template <typename UC>
inline FASTFLOAT_CONSTEXPR14 bool
fastfloat_strncasecmp(UC const *input1, UC const *input2, size_t length) {
  char running_diff{0};
  for (size_t i = 0; i < length; ++i) {
    running_diff |= (char(input1[i]) ^ char(input2[i]));
  }
  return (running_diff == 0) || (running_diff == 32);
}

#ifndef FLT_EVAL_METHOD
#error "FLT_EVAL_METHOD should be defined, please include cfloat."