Line data    Source code

       1              : /* File: u8_interval.inl; Copyright and License: see below */
       2              : 
       3              : #include <math.h>
       4              : 
       5              : static inline u8_interval_t u8_interval_new_void()
       6              : {
       7              :     return (u8_interval_t){ .low = NAN, .high = NAN };
       8              : }
       9              : 
      10          120 : static inline u8_interval_t u8_interval_new_unordered ( double a, double b )
      11              : {
      12          120 :     return ( a < b ) ? (u8_interval_t){ .low = a, .high = b } : (u8_interval_t){ .low = b, .high = a };
      13              : }
      14              : 
      15           14 : static inline u8_interval_t u8_interval_new ( double low, double high )
      16              : {
      17           14 :     assert( low < high );
      18           14 :     return (u8_interval_t){ .low = low, .high = high };
      19              : }
      20              : 
      21           60 : static inline u8_interval_t u8_interval_new_intersect ( const u8_interval_t *a, const u8_interval_t *b )
      22              : {
      23              :     u8_interval_t result;
      24              : 
      25           60 :     if (( (*a).high < (*b).low )||( (*a).low > (*b).high ))
      26            4 :     {
      27              :         /* there is no overlap */
      28            4 :         result = (u8_interval_t){ .low = NAN, .high = NAN };
      29              :     }
      30              :     else
      31              :     {
      32              :         /* there is an overlap, lower border is the max of the low values, upper border is the min of the high values: */
      33           56 :         result = (u8_interval_t){ .low = fmax( (*a).low, (*b).low ), .high = fmin( (*a).high, (*b).high ) };
      34              :     }
      35              : 
      36           60 :     return result;
      37              : }
      38              : 
      39           60 : static inline bool u8_interval_is_valid ( const u8_interval_t *this_ )
      40              : {
      41           60 :     return (( ! isnan( (*this_).low ) )&&( ! isnan( (*this_).high ) ));
      42              : }
      43              : 
      44              : static inline double u8_interval_get_low ( const u8_interval_t *this_ )
      45              : {
      46              :     return (*this_).low;
      47              : }
      48              : 
      49              : static inline double u8_interval_get_high ( const u8_interval_t *this_ )
      50              : {
      51              :     return (*this_).high;
      52              : }
      53              : 
      54           60 : static inline double u8_interval_get_size ( const u8_interval_t *this_ )
      55              : {
      56           60 :     return u8_interval_is_valid( this_ ) ? ( (*this_).high - (*this_).low ) : 0.0;
      57              : }
      58              : 
      59              : 
      60              : /*
      61              : Copyright 2025-2025 Andreas Warnke
      62              : 
      63              : Licensed under the Apache License, Version 2.0 (the "License");
      64              : you may not use this file except in compliance with the License.
      65              : You may obtain a copy of the License at
      66              : 
      67              :     http://www.apache.org/licenses/LICENSE-2.0
      68              : 
      69              : Unless required by applicable law or agreed to in writing, software
      70              : distributed under the License is distributed on an "AS IS" BASIS,
      71              : WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
      72              : See the License for the specific language governing permissions and
      73              : limitations under the License.
      74              : */