+
−/* PR 23572 : warnings for out of range floating-point constants.  */
+
−/* { dg-do compile } */
+
−/* { dg-options "-std=c99" } */
+
−#include <math.h>
+
−
+
−#ifndef INFINITY
+
−#define INFINITY (__builtin_inff ())
+
−#endif
+
−
+
−void overflow(void)
+
−{
+
−  float f1 = 3.5E+38f;  /* { dg-warning "floating constant exceeds range" } */
+
−  float f2 = -3.5E+38f; /* { dg-warning "floating constant exceeds range" } */
+
−  float f3 = INFINITY;
+
−  float f4 = -INFINITY;
+
−
+
−  double d1 = 1.9E+308;  /* { dg-warning "floating constant exceeds range" } */
+
−  double d2 = -1.9E+308; /* { dg-warning "floating constant exceeds range" } */
+
−  double d3 = INFINITY;
+
−  double d4 = -INFINITY;
+
−}
+
−
+
−void underflow(void)
+
−{
+
−  float f11 = 3.3E-10000000000000000000f;  /* { dg-warning "floating constant truncated to zero" } */
+
−  float f22 = -3.3E-10000000000000000000f; /* { dg-warning "floating constant truncated to zero" } */
+
−  float f1 = 3.3E-46f;  /* { dg-warning "floating constant truncated to zero" } */
+
−  float f2 = -3.3E-46f; /* { dg-warning "floating constant truncated to zero" } */
+
−  float f3 = 0;
+
−  float f4 = -0;
+
−  float f5 = 0.0;
+
−  float f6 = -0.0;
+
−
+
−  double d11 = 3.3E-10000000000000000000;  /* { dg-warning "floating constant truncated to zero" } */
+
−  double d22 = -3.3E-10000000000000000000; /* { dg-warning "floating constant truncated to zero" } */
+
−  double d1 = 1.4E-325;  /* { dg-warning "floating constant truncated to zero" } */
+
−  double d2 = -1.4E-325; /* { dg-warning "floating constant truncated to zero" } */
+
−  double d3 = 0;
+
−  double d4 = -0;
+
−  double d5 = 0.0;
+
−  double d6 = -0.0;
+
−}