multrix/src/main.nim
2022-11-17 22:39:05 -05:00

50 lines
1.3 KiB
Nim

import strutils, sequtils, os, procedures #, strformat
var operation: string
case paramStr(0):
of "dot":
operation = "dot"
echo "Parameter is dot"
of "cross":
operation = "cross"
echo "Parameter is cross"
else:
# TODO: ask user to preform dot or cross product
echo "maultrix"
echo "Enter number of rows in the first matrix:"
let r1: int = parseInt(readLine(stdin))
echo "Enter number of columns in the first matrix:"
let c1: int = parseInt(readLine(stdin))
var m1 = newSeqWith(r1, newSeq[float](c1))
procedures.fillMatrix(m1, r1, c1)
echo ""
echo "Enter number of rows in the second matrix:"
let r2: int = parseInt(readLine(stdin))
echo "Enter number of columns in the second matrix:"
let c2: int = parseInt(readLine(stdin))
var m2 = newSeqWith(r2, newSeq[float](c2))
procedures.fillMatrix(m2, r2, c2)
var m = newSeqWith(0, newSeq[float](0)) # ? double check this
# TODO: calculate dot product (in procedures)
for i in countup(1, r1):
for j in countup(1, c1):
m[i-1].add( m1[i-1][j-1] * m2[j-1][i-1] + m1[i][j] * m2[j][i] ) # ? double check this
m[i-1].delete(0)
# TODO: calculate cross product (in procedures)
echo "\nFirst matrix is:"
procedures.printMatrix(m1, r1)
echo "\nSecond matrix is:"
procedures.printMatrix(m2, r2)
# TODO: print result to stdout
procedures.printMatrix(m, r1)