1 // Copyright 2022 The Pigweed Authors 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); you may not 4 // use this file except in compliance with the License. You may obtain a copy of 5 // the License at 6 // 7 // https://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, WITHOUT 11 // WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the 12 // License for the specific language governing permissions and limitations under 13 // the License. 14 #pragma once 15 16 // PW_STRING_ENABLE_DECIMAL_FLOAT_EXPANSION controls whether floating point 17 // values passed to the ToString function will be expanded after a decimal 18 // point, or just rounded to the nearest int. Enabling decimal expansion may 19 // significantly increase code size. 20 // 21 // Note: This currently relies on floating point support for `snprintf`, which 22 // might require extra compiler configuration, e.g. `-u_printf_float` for 23 // newlib-nano. 24 #ifndef PW_STRING_ENABLE_DECIMAL_FLOAT_EXPANSION 25 #define PW_STRING_ENABLE_DECIMAL_FLOAT_EXPANSION 0 26 #endif 27 28 namespace pw::string::internal::config { 29 30 constexpr bool kEnableDecimalFloatExpansion = 31 PW_STRING_ENABLE_DECIMAL_FLOAT_EXPANSION; 32 33 } 34 35 #undef PW_STRING_ENABLE_DECIMAL_FLOAT_EXPANSION 36