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8 changes: 6 additions & 2 deletions regression/cbmc-library/fmax-01/main.c
Original file line number Diff line number Diff line change
Expand Up @@ -3,7 +3,11 @@

int main()
{
fmax();
assert(0);
double d1, d2;
__CPROVER_assume(!isnan(d1) || !isnan(d2));
double r = fmax(d1, d2);
assert(!isnan(d1) || r == d2);
assert(!isnan(d2) || r == d1);
assert(isnan(d1) || isnan(d2) || (d1 > d2 ? r == d1 : r == d2));
return 0;
}
4 changes: 2 additions & 2 deletions regression/cbmc-library/fmax-01/test.desc
Original file line number Diff line number Diff line change
@@ -1,6 +1,6 @@
KNOWNBUG
CORE
main.c
--pointer-check --bounds-check
--pointer-check --bounds-check --nan-check
^EXIT=0$
^SIGNAL=0$
^VERIFICATION SUCCESSFUL$
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13 changes: 13 additions & 0 deletions regression/cbmc-library/fmaxf-01/main.c
Original file line number Diff line number Diff line change
@@ -0,0 +1,13 @@
#include <assert.h>
#include <math.h>

int main()
{
float f1, f2;
__CPROVER_assume(!isnan(f1) || !isnan(f2));
float r = fmaxf(f1, f2);
assert(!isnan(f1) || r == f2);
assert(!isnan(f2) || r == f1);
assert(isnan(f1) || isnan(f2) || (f1 > f2 ? r == f1 : r == f2));
return 0;
}
8 changes: 8 additions & 0 deletions regression/cbmc-library/fmaxf-01/test.desc
Original file line number Diff line number Diff line change
@@ -0,0 +1,8 @@
CORE
main.c
--pointer-check --bounds-check --nan-check
^EXIT=0$
^SIGNAL=0$
^VERIFICATION SUCCESSFUL$
--
^warning: ignoring
13 changes: 13 additions & 0 deletions regression/cbmc-library/fmaxl-01/main.c
Original file line number Diff line number Diff line change
@@ -0,0 +1,13 @@
#include <assert.h>
#include <math.h>

int main()
{
long double d1, d2;
__CPROVER_assume(!isnan(d1) || !isnan(d2));
long double r = fmaxl(d1, d2);
assert(!isnan(d1) || r == d2);
assert(!isnan(d2) || r == d1);
assert(isnan(d1) || isnan(d2) || (d1 > d2 ? r == d1 : r == d2));
return 0;
}
8 changes: 8 additions & 0 deletions regression/cbmc-library/fmaxl-01/test.desc
Original file line number Diff line number Diff line change
@@ -0,0 +1,8 @@
CORE
main.c
--pointer-check --bounds-check --nan-check
^EXIT=0$
^SIGNAL=0$
^VERIFICATION SUCCESSFUL$
--
^warning: ignoring
8 changes: 6 additions & 2 deletions regression/cbmc-library/fmin-01/main.c
Original file line number Diff line number Diff line change
Expand Up @@ -3,7 +3,11 @@

int main()
{
fmin();
assert(0);
double d1, d2;
__CPROVER_assume(!isnan(d1) || !isnan(d2));
double r = fmin(d1, d2);
assert(!isnan(d1) || r == d2);
assert(!isnan(d2) || r == d1);
assert(isnan(d1) || isnan(d2) || (d1 < d2 ? r == d1 : r == d2));
return 0;
}
4 changes: 2 additions & 2 deletions regression/cbmc-library/fmin-01/test.desc
Original file line number Diff line number Diff line change
@@ -1,6 +1,6 @@
KNOWNBUG
CORE
main.c
--pointer-check --bounds-check
--pointer-check --bounds-check --nan-check
^EXIT=0$
^SIGNAL=0$
^VERIFICATION SUCCESSFUL$
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8 changes: 6 additions & 2 deletions regression/cbmc-library/fminf-01/main.c
Original file line number Diff line number Diff line change
Expand Up @@ -3,7 +3,11 @@

int main()
{
fminf();
assert(0);
float f1, f2;
__CPROVER_assume(!isnan(f1) || !isnan(f2));
float r = fminf(f1, f2);
assert(!isnan(f1) || r == f2);
assert(!isnan(f2) || r == f1);
assert(isnan(f1) || isnan(f2) || (f1 < f2 ? r == f1 : r == f2));
return 0;
}
4 changes: 2 additions & 2 deletions regression/cbmc-library/fminf-01/test.desc
Original file line number Diff line number Diff line change
@@ -1,6 +1,6 @@
KNOWNBUG
CORE
main.c
--pointer-check --bounds-check
--pointer-check --bounds-check --nan-check
^EXIT=0$
^SIGNAL=0$
^VERIFICATION SUCCESSFUL$
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8 changes: 6 additions & 2 deletions regression/cbmc-library/fminl-01/main.c
Original file line number Diff line number Diff line change
Expand Up @@ -3,7 +3,11 @@

int main()
{
fminl();
assert(0);
long double d1, d2;
__CPROVER_assume(!isnan(d1) || !isnan(d2));
long double r = fminl(d1, d2);
assert(!isnan(d1) || r == d2);
assert(!isnan(d2) || r == d1);
assert(isnan(d1) || isnan(d2) || (d1 < d2 ? r == d1 : r == d2));
return 0;
}
4 changes: 2 additions & 2 deletions regression/cbmc-library/fminl-01/test.desc
Original file line number Diff line number Diff line change
@@ -1,6 +1,6 @@
KNOWNBUG
CORE
main.c
--pointer-check --bounds-check
--pointer-check --bounds-check --nan-check
^EXIT=0$
^SIGNAL=0$
^VERIFICATION SUCCESSFUL$
Expand Down
5 changes: 2 additions & 3 deletions src/ansi-c/library/math.c
Original file line number Diff line number Diff line change
Expand Up @@ -955,7 +955,7 @@ long double sqrtl(long double d)
// TODO : Should call a __CPROVER_function so that it can be converted to SMT-LIB
double fmax(double f, double g) { return ((f >= g) || isnan(g)) ? f : g; }

/* FUNCTION : fmaxf */
/* FUNCTION: fmaxf */

#ifndef __CPROVER_MATH_H_INCLUDED
#include <math.h>
Expand All @@ -965,8 +965,7 @@ double fmax(double f, double g) { return ((f >= g) || isnan(g)) ? f : g; }
// TODO : Should call a __CPROVER_function so that it can be converted to SMT-LIB
float fmaxf(float f, float g) { return ((f >= g) || isnan(g)) ? f : g; }


/* FUNCTION : fmaxl */
/* FUNCTION: fmaxl */

#ifndef __CPROVER_MATH_H_INCLUDED
#include <math.h>
Expand Down