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/float15.bpl | 36 ++++++++++++++++++++++++++++++++++++ 1 file changed, 36 insertions(+) create mode 100644 Test/floats/float15.bpl (limited to 'Test/floats/float15.bpl') diff --git a/Test/floats/float15.bpl b/Test/floats/float15.bpl new file mode 100644 index 00000000..7536f8fd --- /dev/null +++ b/Test/floats/float15.bpl @@ -0,0 +1,36 @@ +//Translation from filter1.c +//Should Verify + +function {:builtin "(_ to_fp 11 53) RNE"} TO_FLOAT64_INT(int) returns (float64); +function {:builtin "(_ to_fp 11 53) RNE"} TO_FLOAT64_REAL(real) returns (float64); + +procedure main() returns () { + var E0 : float64; + var E1 : float64; + var S : float64); + var i : int; + var rand : int; + + E1 := TO_FLOAT64_INT(0); + S := TO_FLOAT64_INT(0); + + i := 0; + while (i <= 1000000) + { + havoc E0; + assume(E0 >= fp(-1 11 53) && E0 <= fp(1 11 53)); + + havoc rand; + if (rand != 0) { + S := fp(0 11 53); + } + else { + S := fp(0.999 11 53) * S + E0 - E1; + } + E1 := E0; + + //assert(1==0); + assert(S >= fp(-1 11 53) && S <= fp(1 11 53)); + i := i + 1; + } +} \ No newline at end of file -- cgit v1.2.3