Function validBitWidthForFPEncoding

source/text_handler.cpp:158–179

Returns false if the the floating point encoding requires a bit width different from the given width. Write the expected bit width via *expected.

// Returns false if the the floating point encoding requires a bit width
// different from the given width. Write the expected bit width via *expected.
bool validBitWidthForFPEncoding(spv_fp_encoding_t enc, uint32_t width,
                                uint32_t* expected) {
  switch (enc) {
    case SPV_FP_ENCODING_IEEE754_BINARY16:
    case SPV_FP_ENCODING_BFLOAT16:
      *expected = 16;
      break;
    case SPV_FP_ENCODING_IEEE754_BINARY32:
      *expected = 32;
      break;
    case SPV_FP_ENCODING_IEEE754_BINARY64:
      *expected = 64;
      break;
    case SPV_FP_ENCODING_FLOAT8_E5M2:
    case SPV_FP_ENCODING_FLOAT8_E4M3:
      *expected = 8;
      break;
    default:
      return true;
  }
  return width == *expected;
}

}  // namespace