OBS register is just my noob way to check for a value of a register in the Modelsim since I ignore if there is a better way to watch over this. The four basic arithmetic operations in Maths, for all real numbers, are: Addition (Finding the Sum ‘+’) Subtraction (Finding the difference ‘-’) Multiplication (Finding the product ‘×’ ) Division (Finding the quotient ‘’) Let us discuss all these four basic arithmetic operations with rules. The top-module is this: module FCM_EQ (a, b, c, clk, enable, rst_n, all_finish, OBS) I barely knows what a latch is, I read one have to avoid the latches, is that registers keep its values in different clocks? the whole program is exactly about that, so I'm not sure how would I fix that. Warning (13013): Ports D and ENA on the latch are fed by the same signal state.S2 Warning (13012): Latch SQ_in_a has unsafe behavior Warning (10240): Verilog HDL Always Construct warning at FCM_EQ.v(88): inferring latch(es) for variable "SU_in_a", which holds its previous value in one or more paths through the always construct This program runs correctly, output is the expected, However, I'm receiving a lot of warnings from Quartus-II like this Reason is because I may guess, by programming more efficient algorithm (available by authors in internet for example) I could substitute the operators-inferred algorithms of Quartus II. I have created the modules of division, subtraction and Squaring separately because I plan to implement them later instead of relying on the /,-,* operators. I'm new in verilog and digital design in general and teaching myself this, please correct me if my conceptions are wrong. First question: am I really doing what intended? is Quartus II generating a "datapath"? is hardware/energy being actually saved? What I'm expecting is that synthesis tool generates only in 1 Subtraction, 1 Squaring and 1 Division for the whole process, in the this simplified version that situation only happen at the Squaring and Subtraction since there is only 1 division operation.
#ARITHMETIC EQUATION MAKER PLUS#
|a - 2|^2 + |b - 5|^2 // then the another square plus the before squareĬ = 50 / |a - 2|^2 + |b - 5|^2 /// finally a division of 50 |b - 5| AND |a - 2|^2, // then a subtraction and a square of before
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I want to do a simple Equation step by Step which is as follows: c = 50 / (|a - 2|^2 + |b - 5|^2)ĭata is unsigned binary 32 bits values, subtraction result is also unsigned (absolute values), What I want to do is to perform this in several steps using a clock, |a - 2|, // First this subtraction
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To see what other calculators may be useful for you.UPDATE: I'm editing this question to change the Equation to a more simple one, although the issues are about the same, with the difference that this time, I actually could it make it gives the correct answer to the calculation, yet I keep having a problem of "latches".(my original equation is also working fine, but same warning latches issues). \[\frac))\)Īside from this algebraic expression calculator, you can explore our section of An algebraic expression contains numbers, fractions, trigonometric functions, exponential functions, powers and roots.Īn example of an algebraic expression is shown below