diff --git a/src/test/regress/expected/float8-fp-exception.out b/src/test/regress/expected/float8-fp-exception.out
new file mode 100644
index 0000000000..68ba663250
--- /dev/null
+++ b/src/test/regress/expected/float8-fp-exception.out
@@ -0,0 +1,246 @@
+--
+-- FLOAT8
+--
+CREATE TABLE FLOAT8_TBL(f1 float8);
+INSERT INTO FLOAT8_TBL(f1) VALUES ('0.0');
+INSERT INTO FLOAT8_TBL(f1) VALUES ('1004.30');
+INSERT INTO FLOAT8_TBL(f1) VALUES ('-34.84');
+INSERT INTO FLOAT8_TBL(f1) VALUES ('1.2345678901234e+200');
+INSERT INTO FLOAT8_TBL(f1) VALUES ('1.2345678901234e-200');
+SELECT '' AS five, FLOAT8_TBL.*;
+ five | f1
+------+----------------------
+ | 0
+ | 1004.3
+ | -34.84
+ | 1.2345678901234e+200
+ | 1.2345678901234e-200
+(5 rows)
+
+SELECT '' AS four, f.* FROM FLOAT8_TBL f WHERE f.f1 <> '1004.3';
+ four | f1
+------+----------------------
+ | 0
+ | -34.84
+ | 1.2345678901234e+200
+ | 1.2345678901234e-200
+(4 rows)
+
+SELECT '' AS one, f.* FROM FLOAT8_TBL f WHERE f.f1 = '1004.3';
+ one | f1
+-----+--------
+ | 1004.3
+(1 row)
+
+SELECT '' AS three, f.* FROM FLOAT8_TBL f WHERE '1004.3' > f.f1;
+ three | f1
+-------+----------------------
+ | 0
+ | -34.84
+ | 1.2345678901234e-200
+(3 rows)
+
+SELECT '' AS three, f.* FROM FLOAT8_TBL f WHERE f.f1 < '1004.3';
+ three | f1
+-------+----------------------
+ | 0
+ | -34.84
+ | 1.2345678901234e-200
+(3 rows)
+
+SELECT '' AS four, f.* FROM FLOAT8_TBL f WHERE '1004.3' >= f.f1;
+ four | f1
+------+----------------------
+ | 0
+ | 1004.3
+ | -34.84
+ | 1.2345678901234e-200
+(4 rows)
+
+SELECT '' AS four, f.* FROM FLOAT8_TBL f WHERE f.f1 <= '1004.3';
+ four | f1
+------+----------------------
+ | 0
+ | 1004.3
+ | -34.84
+ | 1.2345678901234e-200
+(4 rows)
+
+SELECT '' AS three, f.f1, f.f1 * '-10' AS x
+ FROM FLOAT8_TBL f
+ WHERE f.f1 > '0.0';
+ three | f1 | x
+-------+----------------------+-----------------------
+ | 1004.3 | -10043
+ | 1.2345678901234e+200 | -1.2345678901234e+201
+ | 1.2345678901234e-200 | -1.2345678901234e-199
+(3 rows)
+
+SELECT '' AS three, f.f1, f.f1 + '-10' AS x
+ FROM FLOAT8_TBL f
+ WHERE f.f1 > '0.0';
+ three | f1 | x
+-------+----------------------+----------------------
+ | 1004.3 | 994.3
+ | 1.2345678901234e+200 | 1.2345678901234e+200
+ | 1.2345678901234e-200 | -10
+(3 rows)
+
+SELECT '' AS three, f.f1, f.f1 / '-10' AS x
+ FROM FLOAT8_TBL f
+ WHERE f.f1 > '0.0';
+ three | f1 | x
+-------+----------------------+-----------------------
+ | 1004.3 | -100.43
+ | 1.2345678901234e+200 | -1.2345678901234e+199
+ | 1.2345678901234e-200 | -1.2345678901234e-201
+(3 rows)
+
+SELECT '' AS three, f.f1, f.f1 - '-10' AS x
+ FROM FLOAT8_TBL f
+ WHERE f.f1 > '0.0';
+ three | f1 | x
+-------+----------------------+----------------------
+ | 1004.3 | 1014.3
+ | 1.2345678901234e+200 | 1.2345678901234e+200
+ | 1.2345678901234e-200 | 10
+(3 rows)
+
+SELECT '' AS one, f.f1 ^ '2.0' AS square_f1
+ FROM FLOAT8_TBL f where f.f1 = '1004.3';
+ one | square_f1
+-----+------------
+ | 1008618.49
+(1 row)
+
+-- absolute value
+SELECT '' AS five, f.f1, @f.f1 AS abs_f1
+ FROM FLOAT8_TBL f;
+ five | f1 | abs_f1
+------+----------------------+----------------------
+ | 0 | 0
+ | 1004.3 | 1004.3
+ | -34.84 | 34.84
+ | 1.2345678901234e+200 | 1.2345678901234e+200
+ | 1.2345678901234e-200 | 1.2345678901234e-200
+(5 rows)
+
+-- truncate
+SELECT '' AS five, f.f1, %f.f1 AS trunc_f1
+ FROM FLOAT8_TBL f;
+ five | f1 | trunc_f1
+------+----------------------+----------------------
+ | 0 | 0
+ | 1004.3 | 1004
+ | -34.84 | -34
+ | 1.2345678901234e+200 | 1.2345678901234e+200
+ | 1.2345678901234e-200 | 0
+(5 rows)
+
+-- round
+SELECT '' AS five, f.f1, f.f1 % AS round_f1
+ FROM FLOAT8_TBL f;
+ five | f1 | round_f1
+------+----------------------+----------------------
+ | 0 | 0
+ | 1004.3 | 1004
+ | -34.84 | -35
+ | 1.2345678901234e+200 | 1.2345678901234e+200
+ | 1.2345678901234e-200 | 0
+(5 rows)
+
+-- square root
+SELECT '' AS three, f.f1, |/f.f1 AS sqrt_f1
+ FROM FLOAT8_TBL f
+ WHERE f.f1 > '0.0';
+ three | f1 | sqrt_f1
+-------+----------------------+-----------------------
+ | 1004.3 | 31.6906926399535
+ | 1.2345678901234e+200 | 1.11111110611109e+100
+ | 1.2345678901234e-200 | 1.11111110611109e-100
+(3 rows)
+
+-- take exp of ln(f.f1)
+SELECT '' AS three, f.f1, : ( ; f.f1) AS exp_ln_f1
+ FROM FLOAT8_TBL f
+ WHERE f.f1 > '0.0';
+ three | f1 | exp_ln_f1
+-------+----------------------+-----------------------
+ | 1004.3 | 1004.3
+ | 1.2345678901234e+200 | 1.23456789012338e+200
+ | 1.2345678901234e-200 | 1.23456789012339e-200
+(3 rows)
+
+-- cube root
+SELECT '' AS five, f.f1, ||/f.f1 AS cbrt_f1 FROM FLOAT8_TBL f;
+ five | f1 | cbrt_f1
+------+----------------------+----------------------
+ | 0 | 0
+ | 1004.3 | 10.014312837827
+ | -34.84 | -3.26607421344208
+ | 1.2345678901234e+200 | 4.97933859234765e+66
+ | 1.2345678901234e-200 | 2.3112042409018e-67
+(5 rows)
+
+SELECT '' AS five, FLOAT8_TBL.*;
+ five | f1
+------+----------------------
+ | 0
+ | 1004.3
+ | -34.84
+ | 1.2345678901234e+200
+ | 1.2345678901234e-200
+(5 rows)
+
+UPDATE FLOAT8_TBL
+ SET f1 = FLOAT8_TBL.f1 * '-1'
+ WHERE FLOAT8_TBL.f1 > '0.0';
+SELECT '' AS bad, f.f1 * '1e200' from FLOAT8_TBL f;
+ERROR: floating point exception! The last floating point operation either exceeded legal ranges or was a divide by zero
+SELECT '' AS bad, f.f1 ^ '1e200' from FLOAT8_TBL f;
+ERROR: pow() result is out of range
+SELECT '' AS bad, (; (f.f1)) from FLOAT8_TBL f where f.f1 = '0.0' ;
+ERROR: can't take log of zero
+SELECT '' AS bad, (; (f.f1)) from FLOAT8_TBL f where f.f1 < '0.0' ;
+ERROR: can't take log of a negative number
+SELECT '' AS bad, : (f.f1) from FLOAT8_TBL f;
+ERROR: exp() result is out of range
+SELECT '' AS bad, f.f1 / '0.0' from FLOAT8_TBL f;
+ERROR: float8div: divide by zero error
+SELECT '' AS five, FLOAT8_TBL.*;
+ five | f1
+------+-----------------------
+ | 0
+ | -34.84
+ | -1004.3
+ | -1.2345678901234e+200
+ | -1.2345678901234e-200
+(5 rows)
+
+-- test for over and under flow
+INSERT INTO FLOAT8_TBL(f1) VALUES ('10e400');
+ERROR: Input '10e400' is out of range for float8
+INSERT INTO FLOAT8_TBL(f1) VALUES ('-10e400');
+ERROR: Input '-10e400' is out of range for float8
+INSERT INTO FLOAT8_TBL(f1) VALUES ('10e-400');
+ERROR: Input '10e-400' is out of range for float8
+INSERT INTO FLOAT8_TBL(f1) VALUES ('-10e-400');
+ERROR: Input '-10e-400' is out of range for float8
+-- maintain external table consistency across platforms
+-- delete all values and reinsert well-behaved ones
+DELETE FROM FLOAT8_TBL;
+INSERT INTO FLOAT8_TBL(f1) VALUES ('0.0');
+INSERT INTO FLOAT8_TBL(f1) VALUES ('-34.84');
+INSERT INTO FLOAT8_TBL(f1) VALUES ('-1004.30');
+INSERT INTO FLOAT8_TBL(f1) VALUES ('-1.2345678901234e+200');
+INSERT INTO FLOAT8_TBL(f1) VALUES ('-1.2345678901234e-200');
+SELECT '' AS five, FLOAT8_TBL.*;
+ five | f1
+------+-----------------------
+ | 0
+ | -34.84
+ | -1004.3
+ | -1.2345678901234e+200
+ | -1.2345678901234e-200
+(5 rows)
+