sdcc/support/regression/tcc/22_floating_point.c

   1 #include <stdio.h>
   2 #include <math.h>
   3
   4 float fd;
   5
   6 int
   7 test()
   8 {
   9    // was an internal tcc compiler error with arm64 backend until 2019-11-08
  10    if (fd < 5.5) {
  11      return 1;
  12    } else {
  13      return 0;
  14    }
  15 }
  16
  17 int main()
  18 {
  19    // variables
  20    float a = 12.34 + 56.78;
  21    printf("%f\n", a);
  22
  23    // infix operators
  24    printf("%f\n", 12.34 + 56.78);
  25    printf("%f\n", 12.34 - 56.78);
  26    printf("%f\n", 12.34 * 56.78);
  27    printf("%f\n", 12.34 / 56.78);
  28
  29    // comparison operators
  30    printf("%d %d %d %d %d %d\n", 12.34 < 56.78, 12.34 <= 56.78, 12.34 == 56.78, 12.34 >= 56.78, 12.34 > 56.78, 12.34 != 56.78);
  31    printf("%d %d %d %d %d %d\n", 12.34 < 12.34, 12.34 <= 12.34, 12.34 == 12.34, 12.34 >= 12.34, 12.34 > 12.34, 12.34 != 12.34);
  32    printf("%d %d %d %d %d %d\n", 56.78 < 12.34, 56.78 <= 12.34, 56.78 == 12.34, 56.78 >= 12.34, 56.78 > 12.34, 56.78 != 12.34);
  33
  34    // assignment operators
  35    a = 12.34;
  36    a += 56.78;
  37    printf("%f\n", a);
  38
  39    a = 12.34;
  40    a -= 56.78;
  41    printf("%f\n", a);
  42
  43    a = 12.34;
  44    a *= 56.78;
  45    printf("%f\n", a);
  46
  47    a = 12.34;
  48    a /= 56.78;
  49    printf("%f\n", a);
  50
  51    // prefix operators
  52    printf("%f\n", +12.34);
  53    printf("%f\n", -12.34);
  54
  55    // type coercion
  56    a = 2;
  57    printf("%f\n", a);
  58    printf("%f\n", sin(2));
  59
  60    return 0;
  61 }
  62
  63 /* vim: set expandtab ts=4 sw=3 sts=3 tw=80 :*/