Merge pull request #35 from Checkmate50/master

Floating Point Support

1 files changed, 34 insertions, 0 deletions

diff --git a/Test/floats/float13.bpl b/Test/floats/float13.bpl
new file mode 100644
index 00000000..9c99a30b
--- /dev/null
+++ b/Test/floats/float13.bpl
@@ -0,0 +1,34 @@
+// RUN: %boogie -proverWarnings:1 "%s" > "%t"
+// RUN: %diff "%s.expect" "%t"
+
+function {:builtin "(_ to_fp 8 24) RNE"} TO_FLOAT32_INT(int) returns (float24e8);
+function {:builtin "(_ to_fp 8 24) RNE"} TO_FLOAT32_REAL(real) returns (float24e8);
+function {:builtin "(_ to_fp 11 53) RNE"} TO_FLOAT64_INT(int) returns (float53e11);
+function {:builtin "(_ to_fp 11 53) RNE"} TO_FLOAT64_REAL(real) returns (float53e11);
+
+procedure main() returns () {
+	var f : float24e8;
+	var fc : float24e8;
+	var d : float53e11;
+	var dc : float53e11;
+	
+	f := 2097152e129f24e8;
+	fc := TO_FLOAT32_INT(5);
+	assert(f == fc);
+	
+	f := -0e126f24e8;
+	fc := TO_FLOAT32_REAL(-0.5);
+	assert(f == fc);
+	
+	f := 1048576e128f24e8;
+	fc := TO_FLOAT32_REAL(2.25);
+	assert(f == fc);
+	
+	d := 1125899906842624e1025f53e11;
+	dc := TO_FLOAT64_INT(5);
+	assert(d == dc);
+	
+	d := 562949953421312e1024f53e11;
+	dc := TO_FLOAT64_REAL(2.25);
+	assert(d == dc);
+}
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