From 5cff8cd77c629ec8e48a2498b1e704173306586a Mon Sep 17 00:00:00 2001 From: Checkmate50 Date: Mon, 6 Jun 2016 21:09:06 -0600 Subject: finished testing, fixed several minor compiler bugs --- Test/floats/float17.bpl | 38 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 38 insertions(+) create mode 100644 Test/floats/float17.bpl (limited to 'Test/floats/float17.bpl') diff --git a/Test/floats/float17.bpl b/Test/floats/float17.bpl new file mode 100644 index 00000000..8e07878d --- /dev/null +++ b/Test/floats/float17.bpl @@ -0,0 +1,38 @@ +//Translation from filter2.c +//Should give an error +//Same as the previous one; it works with reals! + +procedure main() returns () { + var E : real; + var E0 : real; + var E1 : real; + var S : real; + var S0 : real; + var S1 : real; + var i: int; + + havoc E; + havoc E0; + assume(E >= 0.0 && E <= 1.0); + assume(E0 >= 0.0 && E0 <= 1.0); + + S0 := 0.0; + S := 0.0; + + i := 0; + while (i <= 1000000) + { + E1 := E0; + E0 := E; + + havoc E; + assume(E >= 0.0 && E <= 1.0); + + S1 := S0; + S0 := S; + S := E*0.7 - E0*1.3 + E1*1.1 + S0*1.4 - S1*0.7; + + assert(S >= -4.0 && S <= 4.0); + i := i + 1; + } +} \ No newline at end of file -- cgit v1.2.3