Apastamba Sulba-sutra [sanskrit]
29,967 words
The Sanskrit edition of the Apastamba Sulba-sutra with the commentaries of Kapardin, Karavinda and Sundararaja. The Sulbasutras are considered Vedic appendices and deals with the ancient Indian science of Mathematics and Geometry, by instructing the construction of fire-altars, among others. Original titles: Āpastambaśulbasūtra (आपस्तम्बशुल्बसूत्र), Kapardin (कपर्दिन्), Karavinda (करविन्द), Sundararāja (सुन्दरराज)
Sutra 2.7c
tasya nirhāra uktaḥ || Sūtra _2.7c ||
dīrghacaturaśraṃanirhrāsa uktaḥ
dīrghoti--sarvatastulyapramāṇaṃ samacaturaśraṃ ekata āyāmato'dhikaṃ dīrghacaturaśraṃ samacaturaśraṃ kurvan tiryaṅbhānyā tiryaṅbhānīpramāṇayā rajjvā parimite pradeśe madhye dakṣiṇottaramapa cchidya śeṣaṃ purvabhāgaṃ madhye diryak dvidhā vibhajya tayoḥ paścimaṃ bhāgaṃ tathaivāvasthāpya pūrvabhāgaṃ prathamasyottarataḥ prācīnamupadadhyāt / uttarapūrvabhāgaṃ śūnyabhūtaṃ khaṇḍamāgantunā saṃpūrya samacaturaśraṃ saṃpādya adhikamāgantubhūtaṃ khaṇḍaṃ tato nirharet--nirgamayet / tasya nirhāra uktaḥ "caturaśrāccaturaśraṃ nirjhihīrṣan' iti / tasyopayogo rathacaktrādiṣu /
dīrghacaturaśraṃanirhāra uktaḥ
tiryaṅbhānīpramāṇena pārśvamānīmapacchidya samacaturaśraṃ kṛtvā śeṣaṃ vibhajya purastāduttarataśvopadadhayāt, yathottarapūrvakoṇe samacaturaśraṃ āgantuḥ khaṇḍo bhaviṣyati /
tasya nirhāra uktaḥ "caturaśrāccaturaśram' iti //