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From: cvs at opencores.org<cvs@o...>
Date: Sat Jul 22 13:40:46 CEST 2006
Subject: [cvs-checkins] MODIFIED: fpu100 ...
Date: 00/06/07 22:13:40

Modified: fpu100/test_bench tb_fpu.vhd
Log:
no message


Revision Changes Path
1.4 fpu100/test_bench/tb_fpu.vhd

http://www.opencores.org/cvsweb.shtml/fpu100/test_bench/tb_fpu.vhd.diff?r1=1.3&r2=1.4

(In the diff below, changes in quantity of whitespace are not shown.)

Index: tb_fpu.vhd
===================================================================
RCS file: /cvsroot/jidan/fpu100/test_bench/tb_fpu.vhd,v
retrieving revision 1.3
retrieving revision 1.4
diff -u -b -r1.3 -r1.4
--- tb_fpu.vhd 13 Jun 2006 20:35:31 -0000 1.3
+++ tb_fpu.vhd 22 Jul 2006 11:40:45 -0000 1.4
@@ -153,7 +153,6 @@

---------------------------------------------------------------------------------------------------------------------------------------------------
---------------------------------------------------SoftFloat test vectors (10000 test cases for each operation) --------------------------------------------------------------------
-
start_i <= '0';
while not endfile(testcases_file) loop

@@ -183,6 +182,69 @@

end loop;

+ -------- Boundary values-----
+
+ start_i <= '0';
+ -- seeeeeeeefffffffffffffffffffffff
+ --infinity
+ wait for CLK_PERIOD; start_i <= '1';
+ opa_i <= "01111111011111111111111111111111";
+ opb_i <= "01111111011111111111111111111111";
+ fpu_op_i <= "000";
+ rmode_i <= "00";
+ wait for CLK_PERIOD; start_i <= '0'; wait until ready_o='1';
+ assert output_o="01111111100000000000000000000000"
+ report "Error!!!"
+ severity failure;
+
+ -- seeeeeeeefffffffffffffffffffffff
+ -- 1 x1.001 - 1x1.000 = 0x0.001
+ wait for CLK_PERIOD; start_i <= '1';
+ opa_i <= "00000000100100000000000000000000";
+ opb_i <= "10000000100000000000000000000000";
+ fpu_op_i <= "000";
+ rmode_i <= "00";
+ wait for CLK_PERIOD; start_i <= '0'; wait until ready_o='1';
+ assert output_o="00000000000100000000000000000000"
+ report "Error!!!"
+ severity failure;
+
+ -- seeeeeeeefffffffffffffffffffffff
+ -- 10 x 1.0001 - 10 x 1.0000 =
+ wait for CLK_PERIOD; start_i <= '1';
+ opa_i <= "00000001000010000000000000000000";
+ opb_i <= "10000001000000000000000000000000";
+ fpu_op_i <= "000";
+ rmode_i <= "00";
+ wait for CLK_PERIOD; start_i <= '0'; wait until ready_o='1';
+ assert output_o="00000000000100000000000000000000"
+ report "Error!!!"
+ severity failure;
+
+
+ -- seeeeeeeefffffffffffffffffffffff
+ -- -0 -0 = -0
+ wait for CLK_PERIOD; start_i <= '1';
+ opa_i <= "10000000000000000000000000000000";
+ opb_i <= "10000000000000000000000000000000";
+ fpu_op_i <= "000";
+ rmode_i <= "00";
+ wait for CLK_PERIOD; start_i <= '0'; wait until ready_o='1';
+ assert output_o="10000000000000000000000000000000"
+ report "Error!!!"
+ severity failure;
+
+ -- seeeeeeeefffffffffffffffffffffff
+ -- 0 + x = x
+ wait for CLK_PERIOD; start_i <= '1';
+ opa_i <= "00000000000000000000000000000000";
+ opb_i <= "01000010001000001000000000100000";
+ fpu_op_i <= "000";
+ rmode_i <= "00";
+ wait for CLK_PERIOD; start_i <= '0'; wait until ready_o='1';
+ assert output_o="01000010001000001000000000100000"
+ report "Error!!!"
+ severity failure;


----------------------------------------------------------------------------------------------------------------------------------------------------