/* Test floating-point contraction occurs only within source language expressions. */ /* { dg-do run } */ /* { dg-options "-std=c99 -pedantic-errors" } */ extern void abort (void); extern void exit (int); volatile float a = 1 + 0x1p-23f, b = 1 - 0x1p-23f, c = -1; int main (void) { float av = a, bv = b, cv = c; float p = av * bv; float r = p + cv; if (r == 0) exit (0); else abort (); }