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| author | Mattias Andrée <m@maandree.se> | 2026-02-12 13:45:48 +0100 |
|---|---|---|
| committer | Mattias Andrée <m@maandree.se> | 2026-02-12 13:45:48 +0100 |
| commit | 8b1e9c4dd1fd12e3b85750a5c0044b54ced216c7 (patch) | |
| tree | fbf6b79555576e9005eeb84c0b605985a27fa714 /libj2.7 | |
| parent | libj2_j2i_divmod_j2i_to_j2i: test overflow edge case (diff) | |
| download | libj2-1.2.tar.gz libj2-1.2.tar.bz2 libj2-1.2.tar.xz | |
Add subtraction and addition with carry/borrow and add abs_diff1.2
Signed-off-by: Mattias Andrée <m@maandree.se>
Diffstat (limited to '')
| -rw-r--r-- | libj2.7 | 37 |
1 files changed, 37 insertions, 0 deletions
@@ -817,6 +817,15 @@ Calculate the sum of two values, and detect overflow. .BR libj2_ju_add_j2u_overflow_p (3) Predict whether adding two values will result in an overflow. .TP +.BR libj2_j2i_add_j2i_carry (3), +.TQ +.BR libj2_j2i_add_j2i_to_j2i_carry (3), +.TQ +.BR libj2_j2u_add_j2u_carry (3), +.TQ +.BR libj2_j2u_add_j2u_to_j2u_carry (3) +Calculate the sum of two values; with overflow carray-over. +.TP .BR libj2_j2i_sat_add_j2i (3), .TQ .BR libj2_j2i_sat_add_j2i_to_j2i (3), @@ -932,6 +941,23 @@ Predict whether subtracting a value will result in an overflow. Predict whether subtracting a value will result in an overflow. These functions swap the position of the two operands. .TP +.BR libj2_j2i_sub_j2i_carry (3), +.TQ +.BR libj2_j2i_sub_j2i_to_j2i_carry (3), +.TQ +.BR libj2_j2u_sub_j2u_borrow (3), +.TQ +.BR libj2_j2u_sub_j2u_to_j2u_borrow (3) +Calculate the difference between two values; with +overflow carry-over. +.TP +.BR libj2_j2i_rsub_j2i_carry (3), +.TQ +.BR libj2_j2u_rsub_j2u_borrow (3) +Calculate the difference between two values; with +overflow carry-over. These functions swap the position +of the two operands. +.TP .BR libj2_j2i_sat_sub_j2i (3), .TQ .BR libj2_j2i_sat_sub_j2i_to_j2i (3), @@ -966,6 +992,17 @@ overflow. Calculate the difference between two values, but saturate on overflow. These functions swap the position of the two operands. .TP +.BR libj2_j2i_abs_diff_j2i_to_j2u (3), +.TQ +.BR libj2_j2u_abs_diff_j2u (3), +.TQ +.BR libj2_j2u_abs_diff_j2u_to_j2u (3), +.TQ +.BR libj2_ju_abs_diff_ji_to_j2u (3), +.TQ +.BR libj2_ji_abs_diff_ju_to_j2u (3) +Calculate the absolute difference between two values. +.TP .BR libj2_j2i_mul_j2i (3), .TQ .BR libj2_j2i_mul_j2i_to_j2i (3), |